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Planning report · Fingal County Council · 500 m around the house · the last 12 months · 19 Oct 2026, 08:53

Fernleigh Court

53.37331, -6.40434

Homes here mostly date from the 2000s. Home extensions nearby almost always get approved (93%). 1 application nearby open for comments.

See on the mapWatch this area
Distance
250 m500 m1 km2 km
Time
12 months2 years5 years
93%of home extensions approved nearbyn=330 · 1.5 km · 10 yrs50 daystypical wait for a decisionmiddle half 47–541open for comments nearbyclose 19 Oct

How planning works, with this area's numbers

steps can overlap · medians for home extensions within 1.5 km, 10 years
  1. 1ApplySite notice up, plans online
  2. 2Comments5 weeks, €20. Comment to keep your right to appeal
  3. 3Decision8 weeks by law. Here 50 days
  4. 4Appeal window4 weeks after the decision
  5. 5AppealHere about 4 months
  6. 6PermissionLasts 5 years
  7. 7StartStart notice to the council. Here about 5 months after
  8. 8Sign-offCompletion cert, or the owner opts out
Question 1

What's the planning story of this house?

Figure 1

When it was built, and the rules since

Most homes here were built 2001–10, under planning permission and building regulations.

Timeline from 1955: planning permission needed from October 1964, building regulations from June 1992, building records online from March 2014, sign-off opt-out from September 2015. Most homes here were built 2001–2010.1960197019801990200020102020Oct 1964permission neededJun 1992building regulationsMar 2014building records onlineSep 2015owners may opt out of sign-offThis houseBuilt: most homes in this small area date from 2001–2010 (census estimate)most built

Each line is a rule that applies to work done after it.

MeasuredEstimatecouncil register via NPAD · build years: CSO Census 2022, small area

On this site
R2
Zoning · Existing residential
No
Protected or listed · on the council's list
No
Vacant land tax · lived-in homes don't pay it
1 in 10
Radon (EPA) · homes with high radon
Zoning, protection, tax and flood: the detail
Zoning
What it says

RS - Residential: Ensure that any new development in existing areas would have a minimal impact on and enhance existing residential amenity.

ZoningR2 · Existing residential
What it says

RS - Residential: Provide for residential development and protect and improve residential amenity

An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.

the fingal development plan 2023 2029 · 5 Apr 2023 – 5 Apr 2029

Radon1 in 10 homes have high radon (EPA)

Not on this site: protected building, heritage inventory, monument zone, conservation area, EU nature site, EU bird site, natural heritage area, tree order, landslide risk, derelict list.

Vacant land taxNo lived-in homes don't pay it
Flood riskNone mapped within 500 m
Within 500 mCountFor example
Conservation areas1Luttrellstown Demesne ACA
Heritage inventory buildings8The Gables; Home Villa
Radon grid squares3
Protected buildings4Home Villa; Annfield
Monuments2Ringfort - unclassified; R149649
How we work this out
'On this site' means the record's own map outline touches the registered parcel (or a 12 m circle round the point where there is no parcel). Only the council's own list confirms a protected building; ask the council if in doubt. The council's map for the vacant land tax shows this spot inside an area of existing homes. Homes people live in, and their gardens, don't pay the tax. The OPW flood map's licence lets us show a yes/no only. Land on the vacant land tax map nearby: 3 on the draft 2027 map; 3 on the final 2026 map.
Sources: Development plan zoning (councils), EPA radon map, Residential Zoned Land Tax maps, Constraint layers (bundle), Architectural Conservation Areas, National Inventory of Architectural Heritage, Records of Protected Structures, Sites and Monuments Record · fetched 19 Oct 2026, 00:29
SourceLicenceFetchedLink
Development plan zoning (councils)CC BY 4.018 Oct 2026, 23:24open
EPA radon mapCC BY 4.027 Sept 2026, 19:36open
Residential Zoned Land Tax mapsCC BY 4.019 Oct 2026, 00:29open
Constraint layers (bundle)CC BY 4.0, CC BY-NC-ND 4.027 Sept 2026, 19:37open
Architectural Conservation AreasCC BY 4.027 Sept 2026, 19:36open
National Inventory of Architectural HeritageCC BY 4.027 Sept 2026, 19:35open
Records of Protected StructuresCC BY 4.027 Sept 2026, 19:36open
Sites and Monuments RecordCC BY 4.027 Sept 2026, 19:29open
How we work this out
Applications whose site outline (or map point) falls on this property. 'No sign building has started' means we found no notice to the council's building control office; small jobs don't always file one, so ask. A missing completion certificate is not proof of a problem: an owner can opt out of official sign-off for a house or extension built for themselves.
Sources: Building Control Management System (commencement notices), National Planning Application Database · fetched 19 Oct 2026, 02:08
SourceLicenceFetchedLink
Building Control Management System (commencement notices)CC BY 4.019 Oct 2026, 01:33open
National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
Question 2

Could you extend?

Nothing on this site restricts it: not protected, not in a conservation area.

Figure 2

What happened to applications like yours

Extensions are almost always approved here: 87–100% by type. A new house in a garden is harder: 48% approved, and 1 in 3 is asked for more information.

Single-storey rear50 decided · more info asked 10%
100% · council 94%
Two-storey rear15 decided · more info asked 27%
87% · council 86%
Two-storey side15 decided · more info asked 13%
100% · council 92%
Single-storey side13 decided · more info asked 8%
92% · council 95%
Attic or dormer159 decided · more info asked 8%
92% · council 90%
First-floor10 decided · more info asked 10%
90% · council 86%
Garage conversion14 decided · more info asked 7%
100% · council 91%
Porch or front20 decided · more info asked 5%
100% · council 94%
New house in a garden or site27 decided · more info asked 30%
48% · council 60%
Approved nearbyFingal overall

Decided applications within 1.5 km, received in the last 10 years. The kind of work is read from each description.

CalculatedOur classificationcouncil register via NPAD · 323 nearby, 5,119 council-wide

Extensions and refusals right beside you 0 within 250 m · 0 refused within 100 m

Extensions and refusals near you 0 extensions within 250 m · the last 12 months

No home extensions within 250 m in the last 12 months.

Refused within 100 m 0 in the last 12 months

Nothing refused this close in the last 12 months.

    How we work this out
    Home extensions are read from the application's description (extension, attic or dormer, porch, garage conversion, garden room), so a few may be missed or mislabelled. The kind is the first that fits: a dormer with a rear extension counts as a dormer. Refusal reasons come from An Coimisiún Pleanála's inspector reports, so they exist only where the refusal was appealed (Dún Laoghaire-Rathdown so far). The council's own reasons are on its planning file.
    Sources: National Planning Application Database, An Coimisiún Pleanála cases (ArcGIS feed) · fetched 19 Oct 2026, 02:08
    SourceLicenceFetchedLink
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.016 Oct 2026, 23:06open
    Sources: An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices), National Planning Application Database · fetched 19 Oct 2026, 02:08
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.016 Oct 2026, 23:06open
    Building Control Management System (commencement notices)CC BY 4.019 Oct 2026, 01:33open
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    Question 3

    How long, and what if someone objects?

    Figure 3

    A home extension's journey here

    A decision takes 50 days. 1 in 10 is asked for more information, which adds about 64 days. Building starts about 5 months after permission.

    Comments open: 5 weeks · €20; Council decision: 50 days; If more info asked (1 in 10): 100 days; Appeal window: 4 weeks; If appealed: +109 days; Building starts: 148 days after permission0 mo3 mo6 mo9 mo12 mo15 moComments openComments close 5 weeks after the application is lodged5 weeks · €20Council decisionDecision: median 50 days, middle half 47–54 (n=297)50 daysIf more info asked (1 in 10)With further information: median 100 days (n=12)100 daysAppeal windowAnyone who commented can appeal within 4 weeks of the decision4 weeksIf appealedAt An Coimisiún Pleanála: median 109 days (n=55, all appeals within 1.5 km)+109 daysBuilding startsStart notice: median 148 days after permission (n=136)148 days after permissionSigned off415 days after the start, for the few who file. 42% of owners opt out of sign-off

    Bars are medians; whiskers show the middle half. Medians of separate steps don't add up exactly.

    Calculated330 decided home extensions, 136 start notices, 55 decided appeals · within 1.5 km, 10 years · NPAD, BCMS, An Coimisiún Pleanála

    Figure 4

    What appeals changed

    8 of 22 appealed refusals became permissions. 1 of 34 appealed approvals were reversed.

    Refusals appealed22 decided
    8 became permissions
    Approvals appealed34 decided
    1 reversed
    Ended approvedEnded refusedWithdrawn, invalid or other

    Every appeal decided within 1.5 km in 10 years, any kind of development.

    CalculatedAn Coimisiún Pleanála cases linked to the council file

    Appeals nearby 1 in the last 12 months
    • 324182 Other · Townland of Porterstown, Clonsilla,, Dublin 15 · 390 m report
    Sources: An Coimisiún Pleanála cases (ArcGIS feed), Courts Service legal diary (judicial reviews), National Planning Application Database · fetched 19 Oct 2026, 02:08
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.016 Oct 2026, 23:06open
    Courts Service legal diary (judicial reviews)© the publisher19 Oct 2026, 01:37open
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    Question 4

    What's changing around you?

    Street map around Fernleigh Court with 12 numbered planning items
    ⌖ the houseOpen for commentsEmpty land zoned for homesNo decision yetApproved
    1. 12 Luttrellstown Court, Castleknock FW26A/0351ENo decision yet · 282 m
    2. 22.3 ha zoned for homesEmpty land zoned for homes · 348 m
    3. 38.6 ha zoned for homesEmpty land zoned for homes · 423 m
    4. 40.2 ha zoned for homesEmpty land zoned for homes · 479 m
    5. 5Locations across Fingal in an east to west direction crossing the town FW26A/0017ENo decision yet · 197 m
    6. 65 Riverwood Glebe, Dublin 15 FW26A/0085EApproved · 294 m
    7. 73 Riverwood Chase, Carpenterstown FW25A/0509EApproved · 374 m
    8. 81 Luttrellstown Thicket, Dublin 15 FW26A/0078EApproved · 447 m
    9. 918 Riverwood Glen, Castleknock FW26A/0140EApproved · 453 m
    10. 1043 Luttrellstown Grove, Castleknock FW25A/0538EApproved · 462 m
    11. 114 Riverwood Drive, Diswellstown FW26A/0227EApproved · 482 m
    12. 1218 Riverwood Grove, Carpenterstown FW26A/0151EApproved · 494 m
    Figure 5

    What happens to applications within 500 m

    Permission isn't building. Of 65 permissions since 2016, 22 show a start notice and 1 has a completion certificate.

    80 applications lodged within 500 m. Council: 65 approved, 8 refused. After appeals: 65 approved. Of those: 1 signed off, 10 built with the owner's opt-out, 11 started, 42 with no start notice found, 1 ran out.LODGEDCOUNCIL DECISIONAFTER APPEALSWHAT HAPPENED NEXT65: lodged → approved8: lodged → refused6: lodged → withdrawn or invalid1: lodged → undecided63: approved → approved6: refused → refused6: withdrawn or invalid → withdrawn1: undecided → undecided2 approved by the council, withdrawn or invalid after an appeal2 refused by the council, approved after an appeal42: approved → no start notice found10: approved → built, owner opted out11: approved → started, not signed off1: approved → signed off1: approved → ran out80 lodged80 lodged65 approved65 approved8 refused8 refused6 withdrawn or invalid6 withdrawn or invalid1 undecided1 undecided65 approved65 approved6 refused6 refused8 withdrawn8 withdrawn1 undecided1 undecided42 no start notice found42 no start notice found10 built, owner opted out10 built, owner opted out11 started, not signed off11 started, not signed off1 signed off1 signed off1 ran out1 ran out

    Purple bands are refusals turned into permissions on appeal. "No start notice found" includes small jobs that never needed one and notices we couldn't match.

    Measured80 applications in 10 years · NPAD, An Coimisiún Pleanála, BCMS start notices and completion certificates

    Figure 6

    The next 30 days

    1 deadline within 500 m; the first closes 19 Oct 2026.

    1 deadlines in the next 30 days: 2026-10-19 FW26A/0351E: application received — Full Planning Permission for the alterations & extensions to dwelling to include a single storey extension of approx. 5 today24 Oct29 Oct3 Nov8 Nov13 Nov18 NovFW26A/0351E: application received — Full Planning Permission for the alterations & extensions to dwelling to include a single storey extension of approx. 5 · 282 m away · 2026-10-19
    Comments close
    • Comments close 19 Oct 2026closes today
      1FW26A/0351E · application received — Full Planning Permission for the alterations & extensions to dwelling to include a single storey…
      €20 to the council · 282 m away

    Measuredcouncil registers and An Coimisiún Pleanála · deadlines worked out from the dates on file

    Figure 7

    Approved, stalled or planned, not built yet

    Luas extension (Fingal light rail corridor) is planned 208 m away.

    Luas extension (Fingal light…: corridor (Fingal Development Plan 2023-2029 objective); DART+ West, DART+ West:…: railway order granted (July 2024)20242025202620272028Luas extension (Fingal light…208 m · plannedcorridor (Fingal Development Plan 2023-2029 objective)DART+ West, DART+ West:…612 m · plannedrailway order granted (July 2024)today

    Each row is a dated fact from a public register: no score and no forecast.

    Measuredcouncil registers, BCMS, derelict sites registers, development plan layers (CC BY 4.0)

    Sites that could change 3 within 500 m

    Empty land zoned for homes 3

    • 22.3 ha zoned for homes · no homes built on it yet · 348 m
    • 38.6 ha zoned for homes · no homes built on it yet · 423 m
    • 40.2 ha zoned for homes · no homes built on it yet · 479 m
    Sources: An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices), Derelict sites registers, Council meetings (ModernGov), National Planning Application Database, Residential Zoned Land Tax maps · fetched 19 Oct 2026, 02:28
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.016 Oct 2026, 23:06open
    Building Control Management System (commencement notices)CC BY 4.019 Oct 2026, 01:33open
    Derelict sites registersCC BY 4.012 Oct 2026, 23:08open
    Council meetings (ModernGov)Public19 Oct 2026, 02:28open
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    Residential Zoned Land Tax mapsCC BY 4.019 Oct 2026, 00:29open
    Figure 8

    Applications within 500 m, by year

    Between 4 and 13 a year; busiest 2024. 89% of decisions were approvals.

    2016: 4, 2017: 4, 2018: 4, 2019: 6, 2020: 4, 2021: 9, 2022: 6, 2023: 8, 2024: 13, 2025: 13, 2026: 9051015202016: 4 approved4’16*2017: 4 approved4’172018: 4 approved4’182019: 5 approved2019: 1 refused6’192020: 2 approved2020: 2 refused4’202021: 8 approved2021: 1 withdrawn or invalid9’212022: 6 approved6’222023: 7 approved2023: 1 refused8’232024: 10 approved2024: 1 refused2024: 2 withdrawn or invalid13’242025: 9 approved2025: 3 refused2025: 1 withdrawn or invalid13’252026: 6 approved2026: 2 withdrawn or invalid2026: 1 undecided9’26*
    ApprovedRefusedWithdrawn or invalidUndecided

    2016 and 2026 are part years (*). Exemption requests and time extensions are left out.

    Measuredcouncil register via NPAD

    Open for comments €20 to comment

    Every application within 500 m 11 in the last 12 months

    See every application on the map

    How we work this out
    Descriptions are shortened by the national planning database (to 80 characters in Dún Laoghaire-Rathdown, 70 in Fingal), and it does not publish applicants' names.
    Sources: National Planning Application Database, An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices) · fetched 19 Oct 2026, 02:08
    SourceLicenceFetchedLink
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.016 Oct 2026, 23:06open
    Building Control Management System (commencement notices)CC BY 4.019 Oct 2026, 01:33open
    Building work nearby 6 in the last 12 months
    6 no sign-off needed
    • 4 Riverwood Drive, Dublin, D15 H0C1 · 13 Oct 2026 · short notice no sign-off needed · FW26A/0227E · 496 m
    • 18 Riverwood Grove, Dublin 15, Dublin, D15 K4KX · 16 Sept 2026 · 1 homes · short notice no sign-off needed · FW26A/0151E · 496 m
    • 1 Luttrellstown Thicket, Dublin, D15 Y7V7 · 28 Jul 2026 · 1 homes · start notice, opted out no sign-off needed · FW26A/0078E · 461 m
    • 3 Riverwood Chase, Dublin 15, Dublin, D15 E2T9 · 9 Jun 2026 · short notice no sign-off needed · FW25A/0509E · 385 m
    • Porterstown Road, Dublin, Fingal, D15 Y9RV · 17 Feb 2026 · short notice no sign-off needed · FW25A/0152E · 346 m
    • 3 Riverwood Place, Fingal, D15 K7P8 · 22 Jan 2026 · 1 homes · short notice no sign-off needed · FW24A/0216E · 291 m
    How we work this out
    Each row is a notice the builder sent to the council's building control office before work started. One notice can cover many homes. 'Signed off as finished' means a completion certificate is on file; work done under an opt-out or a short notice doesn't need one.
    Source: Building Control Management System (commencement notices) · fetched 19 Oct 2026, 01:33
    SourceLicenceFetchedLink
    Building Control Management System (commencement notices)CC BY 4.019 Oct 2026, 01:33open
    0
    Named places nearby: estate, schemes, crèches, schools

    Named places estate, developments, inspections

    Developments within 1.0 km

    SchemeHomesProgressDistance
    Kellystown——327 m
    Porterstown——389 m
    Porterstown and Kellystown Site99no activity on site reported (2025-Q3)594 m
    Kellystown and Porterstown Lands4747 not started (2026-Q2)595 m
    Windmill——679 m
    Porterstown Road Development90no activity on site reported (2025-Q3)716 m
    Old Schoolhouse Site (former Clonsilla School——724 m
    Clonsilla Inn——886 m

    Crèches and schools inspected

    NameLatest inspectionDistance
    School Kids Aloud · Crèche2 Dec 2024 · report · Tusla Early Years Inspectorate318 m
    Little Apples Pre School · Crèche23 Apr 2026 · report · Tusla Early Years Inspectorate395 m
    Luttrellstown Tots · Crèche27 Mar 2026 · report · Tusla Early Years Inspectorate659 m
    Parkview Creche · Crèche24 Jul 2025 · report · Tusla Early Years Inspectorate785 m
    Parkview Creche · Crèche9 Apr 2026 · report · Tusla Early Years Inspectorate827 m
    Magic Years Creche & Montessori (Carpenterstown) · Crèche8 Jun 2026 · report · Tusla Early Years Inspectorate845 m
    Luttrell House Creche · Crèche28 Jan 2026 · report · Tusla Early Years Inspectorate929 m
    How we work this out
    Organisations only: a person named on an application is never listed. Inspection dates and links are the publisher's; read their report for the findings.
    Sources: Dublin housing delivery pipeline, National Planning Application Database, Department of Education school list, Tusla early years register · fetched 19 Oct 2026, 02:08
    SourceLicenceFetchedLink
    Dublin housing delivery pipelineCC BY 4.012 Oct 2026, 23:02open
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    Department of Education school listCC BY 4.027 Sept 2026, 23:32open
    Tusla early years registerPublic register14 Oct 2026, 23:20open
    How busy is this area Busier than most of Fingal County Council.
    Homes approved
    Here662
    Council middle0
    Homes started
    Here638
    Council middle3
    How we work this out
    Homes approved counts schemes of 10 or more homes (one-off houses are not included). Homes started counts every home in a notice that building work was starting. The council figure is the middle value across the council's built-up squares of the same area (3.1 km², about a 1 km circle), so half of them saw more and half fewer.
    Sources: An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices), National Planning Application Database · fetched 19 Oct 2026, 02:08
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.016 Oct 2026, 23:06open
    Building Control Management System (commencement notices)CC BY 4.019 Oct 2026, 01:33open
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    Question 5

    What's the area like?

    Figure 9

    This street block against the council

    0% of homes built before 1971 (council 11%). 46% owner-occupied (council 67%).

    Homes built before 1971
    0% · council 11%
    Homes built since 2001
    85% · council 43%
    Owner-occupied
    46% · council 67%
    Rented
    49% · council 28%
    Children under 15
    26% · council 22%
    Aged 65 and over
    3% · council 11%
    Households with 2+ cars
    29% · council 42%
    Work mainly from home
    14% · council 12%
    This small area (344 people)Fingal

    MeasuredCSO Census 2022, Small Area Population Statistics (CC BY 4.0) · small area 267040049

    Bus
    200 m
    Fernleigh Close · 37, 70n · busiest stop within 500 m: 6 an hour at peak
    Planned
    208 m
    Luas extension (Fingal light rail corridor), Luas extension (Fingal light rail corridor)
    Radon
    1 in 10
    homes here likely high (EPA). Test it
    Nearest school
    376 m
    Luttrellstown Community College, 1027 pupils
    Homes sold nearby
    69
    in 3 years (Property Price Register)
    Schools, stops and the council

    Schools

    • Luttrellstown Community College · postprimary · 1027 pupils · 376 m
    • Scoil Choilm Community NS · primary · 698 pupils · 428 m
    • Castleknock Community College · postprimary · 1318 pupils · 896 m
    • S N Naomh Mochta · primary · 805 pupils · 969 m

    Stops 10

    • Fernleigh Close · 37, 70n · 3/hour at peak · 200 m
    • Diswellstown Road · 37 · 6/hour at peak · 210 m
    • Luttrellstown Court · 37, 70n · 3/hour at peak · 417 m
    • Luttrellstown Court · 37 · 6/hour at peak · 419 m

    Schools growing or shrinking planning in 3 years · pupils last year

    • Luttrellstown Community College · 376 m+2.9% pupils (1,027)
    • Scoil Choilm Community NS · 428 m-6.6% pupils (698)
    • Castleknock Community College · 896 m+2.2% pupils (1,318)
    • S N Naomh Mochta · 969 m-3.6% pupils (805)

    Open consultations

    Council meetings 30 items

    Public land

    • Fingal County Council · 5.95 ha · 169 m
    • Fingal County Council · 0.66 ha · 192 m
    • Fingal County Council · 2.74 ha · 211 m
    • Fingal County Council · 1.34 ha · 223 m
    • The Minister for Education and Skills · 0 ha · 241 m
    • The Minister for Education and Skills · 0.36 ha · 288 m
    Sources: Public transport stops and routes (NTA GTFS), Department of Education school list, National Planning Application Database, Council consultation portals, Council meetings (ModernGov), Land Development Agency public land register, cso_saps_2022, National Transport Authority, Fingal County Council and Dún Laoghaire-Rathdown County Council development plan layers (CC BY 4.0), dartplus.ie project extents over NTA GTFS rail shapes (CC BY 4.0), EPA strategic noise maps, Fingal County Council · fetched 19 Oct 2026, 02:28
    SourceLicenceFetchedLink
    Public transport stops and routes (NTA GTFS)CC BY 4.018 Oct 2026, 23:44open
    Department of Education school listCC BY 4.027 Sept 2026, 23:32open
    National Planning Application DatabaseCC BY 4.019 Oct 2026, 02:08open
    Council consultation portalsPublic19 Oct 2026, 01:38open
    Council meetings (ModernGov)Public19 Oct 2026, 02:28open
    Land Development Agency public land registerCC BY 4.011 Sept 2026, 16:43open
    cso_saps_2022CC BY 4.0—open
    National Transport AuthorityCC BY 4.0——
    Fingal County Council and Dún Laoghaire-Rathdown County Council development plan layers (CC BY 4.0)CC BY 4.0——
    dartplus.ie project extents over NTA GTFS rail shapes (CC BY 4.0)CC BY 4.0——
    EPA strategic noise mapsCC BY 4.0——
    Fingal County CouncilCC BY 4.0——
    Question 6

    What to ask, and who

    1. High radon area (1 in 10 homes): has it been tested?
      Ask for: Radon test results.
      Seller
    2. Application 282 m away open for comments until 19 Oct 2026: comment?
      Ask for: The plans on the council's website (€20 to comment).
      Council
    3. Any work done without planning permission?
      Ask for: An opinion of compliance for the whole house.
      Seller · solicitor
    Reference

    Where this is, the terms, the sources

    Townland
    Porterstown
    Electoral division
    Castleknock-Knockmaroon
    Electoral area
    Castleknock
    Council
    Fingal County Council
    Everything we found, as a list 8 lines
    • Zoned R2 (existing residential); not protected; no vacant land tax; high radon area.
    • 3 sites nearby could change: 3 empty zoned plots.
    • 1 application open for comments nearby; nearest closes 19 Oct 2026.
    • Diswellstown Road (bus 37) 210 m away: 6 an hour at morning peak; 17 from all stops within 500 m. Planned: Luas extension (Fingal light rail corridor) 208 m away, corridor (Fingal Development Plan 2023-2029 objective).
    • Inside Dublin Airport Noise Zone D.
    • Here (2022 census): 49% rent (council 28%); 2% of homes empty (council 5%); most built 2001–2010; 54% drive to work (council 52%); population up 10% since 2016.
    • Around here the council decides in a median 52 days (about 7 weeks); 1 in 6 is asked for more information.
    • Homes started within 1 km: 92 in the last year, 5 three years before.
    What the terms mean 7 terms
    • Vacant land tax (Residential Zoned Land Tax (RZLT)): A yearly tax of 3% of the land's value on land that is zoned for homes and serviced but left unbuilt.
    • Building started (Commencement notice (BCMS)): The builder must tell the council's building control office 14 to 28 days before work starts.
    • Signed off as finished (Certificate of Compliance on Completion): A certificate filed when a building is finished, confirming it meets the building regulations.
    • Approved (Grant of permission): The council said yes, usually with conditions.
    • Comment on an application (Observation / submission): Anyone can comment on a planning application within five weeks of it being lodged, for a €20 fee.
    • Appeal (Appeal to An Coimisiún Pleanála): The applicant, or anyone who commented in time, can appeal the council's decision within four weeks.
    • What the land is zoned for (Zoning objective): The council's development plan sets what each area is for: homes, shops, open space and so on.
    Sources and licences 31
    SourcePublisherLicenceFetched
    EPA strategic noise maps—CC BY 4.0—
    Fingal County Council—CC BY 4.0—
    Fingal County Council and Dún Laoghaire-Rathdown County Council development plan layers (CC BY 4.0)—CC BY 4.0—
    National Transport Authority—CC BY 4.0—
    services-eu1.arcgis.comAn Coimisiún PleanálaCC BY 4.016 Oct 2026
    data.nbco.gov.ieNational Building Control Office (BCMS)CC BY 4.019 Oct 2026
    data.gov.ieVarious (see each layer)CC BY 4.0, CC BY-NC-ND 4.027 Sept 2026
    services.arcgis.comLocal authorities (ACAs)CC BY 4.027 Sept 2026
    services-eu1.arcgis.comNational Inventory of Architectural HeritageCC BY 4.027 Sept 2026
    gis.epa.ieEnvironmental Protection AgencyCC BY 4.027 Sept 2026
    services.arcgis.comLocal authorities (Record of Protected Structures)CC BY 4.027 Sept 2026
    services-eu1.arcgis.comNational Monuments Service (SMR)CC BY 4.027 Sept 2026
    dlrcoco.citizenspace.comLocal authorities (consultation portals)Public19 Oct 2026
    www2.courts.ie—© the publisher19 Oct 2026
    cso.ie—CC BY 4.0—
    dartplus.ie project extents over NTA GTFS rail shapes (CC BY 4.0)—CC BY 4.0—
    services-eu1.arcgis.comLocal authorities (derelict sites registers)CC BY 4.012 Oct 2026
    services.arcgis.comDublin local authorities (housing delivery pipeline)CC BY 4.012 Oct 2026
    esbnetworks.ie—© the publisher · flag only11 Sept 2026
    transportforireland.ieNational Transport AuthorityCC BY 4.018 Oct 2026
    lda.ieLand Development AgencyCC BY 4.011 Sept 2026
    meetings.fingal.ieLocal authorities (council meetings)Public19 Oct 2026
    services.arcgis.comDepartment of Housing (National Planning Application Database)CC BY 4.019 Oct 2026
    services-eu1.arcgis.comTailte ÉireannCC BY 4.011 Sept 2026
    services-eu1.arcgis.comCSO, Tailte Éireann, OpenStreetMap contributorsCC BY 4.04 Oct 2026
    propertypriceregister.ieProperty Services Regulatory Authority (PPR)© PSRA, PSI licence19 Oct 2026
    services.arcgis.comLocal authorities (RZLT maps)CC BY 4.018 Oct 2026
    gov.ieDepartment of EducationCC BY 4.027 Sept 2026
    gov.ieDepartment of HousingCC BY-SA 4.09 Oct 2026
    tusla.ieTusla (Early Years Inspectorate)Public register14 Oct 2026
    services.arcgis.comLocal authorities via the Department of Housing (GZT / MyPlan)CC BY 4.018 Oct 2026
    Measured
    counted from a public register
    Calculated
    a rate or median we worked out from those counts
    Our classification
    we sorted it by reading each description
    Estimate
    inferred from another source (census, map data)
    Rule summary
    the law, simplified: check before relying on it
    How we work this out
    Generated 19 Oct 2026, 08:53 from the Planning Register store; nothing was fetched live. Not a legal search: the council's planning file is the record. Deadlines come from published dates under the Planning and Development Act 2000: confirm with the council before relying on them. Street map © OpenStreetMap contributors; building outlines © Overture Maps Foundation. The text version carries every figure with its source, for an AI assistant.