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Planning report · Fingal County Council · 500 m around the house · the last 12 months · 30 Oct 2026, 15:36

Lower Lucan Road, Diswellstown

53.36320, -6.38176

Homes here mostly date from the 2000s. Home extensions nearby almost always get approved (90%).

See on the mapWatch this area
Distance
250 m500 m1 km2 km
Time
12 months2 years5 years
90%of home extensions approved nearbyn=177 · 1.5 km · 10 yrs52 daystypical wait for a decisionmiddle half 48–540open for comments nearbywithin 500 m

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 52 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 4 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
G3
Zoning · High amenity
No
Protected or listed · on the council's list
No
Vacant land tax · not on the map
1 in 10
Radon (EPA) · homes with high radon
Zoning, protection, tax and flood: the detail
Zoning
What it says

HA - High Amenity: Protect these highly sensitive and scenic locations from inappropriate development and reinforce their character, distinctiveness and sense of place. In recognition of the amenity potential of these areas opportunities to increase public access will be explored.

ZoningG3 · High amenity
What it says

HA - High Amenity: Protect and enhance high amenity areas

Protected high-amenity landscape. Development is resisted to preserve the character of the area.

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 not on the map
Flood riskWithin 100 m OPW map area within 100 m · floodinfo.ie
Within 500 mCountFor example
Landslide risk areas1Diswellstown1990
Natural heritage areas1Liffey Valley
Heritage inventory buildings8Oatlands House; San Giovanni
Radon grid squares3
Protected buildings1Oatlands
Monuments3Habitation site; R149638
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 OPW flood map's licence lets us show a yes/no only. Land on the vacant land tax map nearby: 2 on the draft 2027 map; 2 on the final 2026 map.
Sources: Development plan zoning (councils), EPA radon map, Residential Zoned Land Tax maps, Constraint layers (bundle), OPW flood maps (CFRAM), GSI landslide susceptibility, Natural Heritage Areas (NPWS), National Inventory of Architectural Heritage, Records of Protected Structures, Sites and Monuments Record · fetched 25 Oct 2026, 23:43
SourceLicenceFetchedLink
Development plan zoning (councils)CC BY 4.025 Oct 2026, 23:06open
EPA radon mapCC BY 4.027 Sept 2026, 19:36open
Residential Zoned Land Tax mapsCC BY 4.025 Oct 2026, 23:43open
Constraint layers (bundle)CC BY 4.0, CC BY-NC-ND 4.027 Sept 2026, 19:37open
OPW flood maps (CFRAM)CC BY-NC-ND 4.0 · shown as a yes/no only11 Sept 2026, 19:11open
GSI landslide susceptibilityPublic27 Sept 2026, 19:36open
Natural Heritage Areas (NPWS)CC BY 4.027 Sept 2026, 19:27open
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 30 Oct 2026, 05:03
SourceLicenceFetchedLink
Building Control Management System (commencement notices)CC BY 4.030 Oct 2026, 02:44open
National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
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 here: 83–100% by type. A new house in a garden is harder: 64% approved, and 1 in 2 is asked for more information.

Single-storey rear38 decided · more info asked 13%
95% · council 92%
Attic or dormer63 decided · more info asked 13%
92% · council 92%
First-floor12 decided · more info asked 42%
83% · council 86%
Porch or front10 decided · more info asked 10%
100% · council 94%
New house in a garden or site11 decided · more info asked 45%
64% · council 53%
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 · 134 nearby, 2,437 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 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.023 Oct 2026, 23:08open
    Sources: An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices), National Planning Application Database · fetched 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.023 Oct 2026, 23:08open
    Building Control Management System (commencement notices)CC BY 4.030 Oct 2026, 02:44open
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    Question 3

    How long, and what if someone objects?

    Figure 3

    A home extension's journey here

    A decision takes 52 days. 1 in 6 is asked for more information, which adds about 79 days. Building starts about 4 months after permission.

    Comments open: 5 weeks · €20; Council decision: 52 days; If more info asked (1 in 6): 138 days; Appeal window: 4 weeks; If appealed: +117 days; Building starts: 117 days after permission0 mo3 mo6 mo9 mo12 mo15 moComments openComments close 5 weeks after the application is lodged5 weeks · €20Council decisionDecision: median 52 days, middle half 48–54 (n=146)52 daysIf more info asked (1 in 6)With further information: median 138 days (n=23)138 daysAppeal windowAnyone who commented can appeal within 4 weeks of the decision4 weeksIf appealedAt An Coimisiún Pleanála: median 117 days (n=29, all appeals within 1.5 km)+117 daysBuilding startsStart notice: median 117 days after permission (n=69)117 days after permissionSigned off468 days after the start, for the few who file. 45% of owners opt out of sign-off

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

    Calculated177 decided home extensions, 69 start notices, 29 decided appeals · within 1.5 km, 10 years · NPAD, BCMS, An Coimisiún Pleanála

    Figure 4

    What appeals changed

    3 of 13 appealed refusals became permissions. 1 of 17 appealed approvals were reversed.

    Refusals appealed13 decided
    3 became permissions
    Approvals appealed17 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
    • 502043 Pending · The Strawberry Hall Beer Garden, Lower Road, Astagob, Strawberry Beds, · 179 m
    Sources: An Coimisiún Pleanála cases (ArcGIS feed), Courts Service legal diary (judicial reviews), National Planning Application Database · fetched 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.023 Oct 2026, 23:08open
    Courts Service legal diary (judicial reviews)© the publisher29 Oct 2026, 23:11open
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    Question 4

    What's changing around you?

    Street map around Lower Lucan Road, Diswellstown with 7 numbered planning items
    ⌖ the houseRefusedEmpty land zoned for homesApprovedOther
    1. 1The Strawberry Hall Beer Garden, Lower Road FW26A/0251ERefused · 179 m
    2. 24.2 ha zoned for homesEmpty land zoned for homes · 403 m
    3. 31.0 ha zoned for homesEmpty land zoned for homes · 478 m
    4. 4Riverside Lodge, Lower Road FW26A/0216EApproved · 303 m
    5. 536 Diswellstown Drive, Hamilton Park FW26A/0089EApproved · 428 m
    6. 6Plot 13, Lower Lucan Road FW25A/0529Refused · 453 m
    7. 7Brooklin View, Somerton Lane FW26A/0388EOther decision · 494 m
    Figure 5

    What happens to applications within 500 m

    Permission isn't building. Of 13 permissions since 2016, 5 show a start notice and 1 has a completion certificate.

    31 applications lodged within 500 m. Council: 14 approved, 8 refused. After appeals: 13 approved. Of those: 1 signed off, 1 built with the owner's opt-out, 3 started, 8 with no start notice found, 0 ran out.LODGEDCOUNCIL DECISIONAFTER APPEALSWHAT HAPPENED NEXT14: lodged → approved8: lodged → refused7: lodged → withdrawn or invalid2: lodged → undecided13: approved → approved6: refused → refused7: withdrawn or invalid → withdrawn2: undecided → undecided1 approved by the council, withdrawn or invalid after an appeal1 refused by the council, undecided after an appeal1 refused by the council, withdrawn or invalid after an appeal8: approved → no start notice found1: approved → built, owner opted out3: approved → started, not signed off1: approved → signed off31 lodged31 lodged14 approved14 approved8 refused8 refused7 withdrawn or invalid7 withdrawn or invalid2 undecided2 undecided13 approved13 approved6 refused6 refused9 withdrawn9 withdrawn3 undecided3 undecided8 no start notice found8 no start notice found1 built, owner opted out1 built, owner opted out3 started, not signed off3 started, not signed off1 signed off1 signed off

    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.

    Measured31 applications in 10 years · NPAD, An Coimisiún Pleanála, BCMS start notices and completion certificates

    Figure 6

    The next 30 days

    2 deadlines within 500 m; the first closes 9 Nov 2026.

    2 deadlines in the next 30 days: 2026-11-09 FW26A/0382E: application received — A freestanding shed with a floor space of 4.5sqm. The shed is made from timber with a natural slate roof. It is used to ; 2026-11-13 FW26A/0388E: application received — Retention Planning Permission for a wooden storage shed with natural slate roof measuring 4.5 sqm. The shed is used to stoday4 Nov9 Nov14 Nov19 Nov24 Nov29 NovFW26A/0382E: application received — A freestanding shed with a floor space of 4.5sqm. The shed is made from timber with a natural slate roof. It is used to · 494 m away · 2026-11-09FW26A/0388E: application received — Retention Planning Permission for a wooden storage shed with natural slate roof measuring 4.5 sqm. The shed is used to s · 494 m away · 2026-11-13
    Comments close
    • Comments close 9 Nov 202610 days left
      FW26A/0382E · application received — A freestanding shed with a floor space of 4.5sqm. The shed is made from timber with a natural…
      €20 to the council · 494 m away
    • Comments close 13 Nov 202614 days left
      7FW26A/0388E · application received — Retention Planning Permission for a wooden storage shed with natural slate roof measuring 4.5…
      €20 to the council · 494 m away

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

    Sites that could change 2 within 500 m

    Empty land zoned for homes 2

    • 24.2 ha zoned for homes · no homes built on it yet · 403 m
    • 31.0 ha zoned for homes · no homes built on it yet · 478 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 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.023 Oct 2026, 23:08open
    Building Control Management System (commencement notices)CC BY 4.030 Oct 2026, 02:44open
    Derelict sites registersCC BY 4.026 Oct 2026, 23:09open
    Council meetings (ModernGov)Public30 Oct 2026, 02:17open
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    Residential Zoned Land Tax mapsCC BY 4.025 Oct 2026, 23:43open
    Figure 7

    Applications within 500 m, by year

    Between 3 and 14 a year; busiest 2025. 64% of decisions were approvals.

    2021: 5, 2023: 3, 2024: 4, 2025: 14, 2026: 5051015202021: 4 approved2021: 1 withdrawn or invalid5’21*2023: 3 approved3’232024: 2 approved2024: 1 refused2024: 1 withdrawn or invalid4’242025: 3 approved2025: 6 refused2025: 5 withdrawn or invalid14’252026: 2 approved2026: 1 refused2026: 2 undecided5’26*
    ApprovedRefusedWithdrawn or invalidUndecided

    2021 and 2026 are part years (*). Exemption requests and time extensions are left out.

    Measuredcouncil register via NPAD

    Every application within 500 m 7 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 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.023 Oct 2026, 23:08open
    Building Control Management System (commencement notices)CC BY 4.030 Oct 2026, 02:44open
    Building work nearby 1 in the last 12 months
    1 no sign-off needed
    • 36 Diswellstown Drive, Dublin 15, Dublin, D15 YA9Y · 21 Jun 2026 · 1 homes · short notice no sign-off needed · FW26A/0089E · 438 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 30 Oct 2026, 02:44
    SourceLicenceFetchedLink
    Building Control Management System (commencement notices)CC BY 4.030 Oct 2026, 02:44open
    0
    Named places nearby: estate, schemes, crèches, schools

    Named places estate, developments, inspections

    Developments within 1.0 km

    SchemeHomesProgressDistance
    Winterwood——822 m
    The Orchard and The Orchard Gate Lodge86— (2026-Q2)829 m

    Crèches and schools inspected

    NameLatest inspectionDistance
    Parkview Creche · Crèche4 Mar 2026 · report · Tusla Early Years Inspectorate687 m
    Mulberry Montessori School · Crèche27 Nov 2025 · report · Tusla Early Years Inspectorate816 m
    Discovery Montessori School · Crèche14 Oct 2025 · report · Tusla Early Years Inspectorate986 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 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    Dublin housing delivery pipelineCC BY 4.026 Oct 2026, 23:00open
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    Department of Education school listCC BY 4.027 Oct 2026, 23:04open
    Tusla early years registerPublic register28 Oct 2026, 23:19open
    How busy is this area Busier than most of Fingal County Council.
    Homes approved
    Here261
    Council middle0
    Homes started
    Here65
    Council middle4
    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 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    An Coimisiún Pleanála cases (ArcGIS feed)CC BY 4.023 Oct 2026, 23:08open
    Building Control Management System (commencement notices)CC BY 4.030 Oct 2026, 02:44open
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    Question 5

    What's the area like?

    Figure 8

    This street block against the council

    49% of homes built before 1971 (council 11%). 53% owner-occupied (council 67%).

    Homes built before 1971
    49% · council 11%
    Homes built since 2001
    36% · council 43%
    Owner-occupied
    53% · council 67%
    Rented
    38% · council 28%
    Children under 15
    17% · council 22%
    Aged 65 and over
    27% · council 11%
    Households with 2+ cars
    53% · council 42%
    Work mainly from home
    24% · council 12%
    This small area (286 people)Fingal

    MeasuredCSO Census 2022, Small Area Population Statistics (CC BY 4.0) · small area 267040060

    Road noise
    65–69 dB
    day–night average (EPA 2022)
    Bus
    590 m
    Hollyville Lawn · L55
    Radon
    1 in 10
    homes here likely high (EPA). Test it
    Flood
    Yes
    OPW flood map area within 100 m
    Nearest school
    562 m
    The Kings Hospital, 732 pupils
    Homes sold nearby
    1
    in 3 years (Property Price Register)
    Schools, stops and the council

    Schools

    • The Kings Hospital · postprimary · 732 pupils · 562 m
    • St Patricks Ns · primary · 867 pupils · 774 m

    Stops 6

    • Hollyville Lawn · L55 · 590 m
    • Hollyville Lawn · L55 · 1/hour at peak · 608 m

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

    • The Kings Hospital · 562 m+4.1% pupils (732)
    • St Patricks Ns · 774 m-2.7% pupils (867)

    Council meetings 30 items

    Public land

    • Dublin City Council · 0.18 ha · 0 m
    • Dublin City Council · 0.51 ha · 24 m
    • Dublin City Council · 4.21 ha · 31 m
    • Dublin City Council · 0.52 ha · 39 m
    • Dublin City Council · 5.64 ha · 82 m
    • Fingal County Council · 6.17 ha · 207 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 30 Oct 2026, 05:03
    SourceLicenceFetchedLink
    Public transport stops and routes (NTA GTFS)CC BY 4.025 Oct 2026, 23:02open
    Department of Education school listCC BY 4.027 Oct 2026, 23:04open
    National Planning Application DatabaseCC BY 4.030 Oct 2026, 05:03open
    Council consultation portalsPublic30 Oct 2026, 01:04open
    Council meetings (ModernGov)Public30 Oct 2026, 02:17open
    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. Flood risk area within 100 m: can you insure it?
      Ask for: A flood-cover quote before sale agreed.
      Insurer
    2. Zoned G3 (high amenity), not for homes: could you extend?
      Ask for: A solicitor's or planner's view.
      Solicitor · planner
    3. High radon area (1 in 10 homes): has it been tested?
      Ask for: Radon test results.
      Seller
    4. Mapped at 65–69 dB from road traffic: will you hear it inside?
      Ask for: A visit at rush hour (and at night), and the windows' glazing specification.
      Visit at rush hour
    5. 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
    Astagob
    Electoral division
    Castleknock-Knockmaroon
    Electoral area
    Castleknock
    Council
    Fingal County Council
    Everything we found, as a list 8 lines
    • Zoned G3 (high amenity); not protected; no vacant land tax; flood risk area within 100 m; high radon area.
    • 2 sites nearby could change: 2 empty zoned plots.
    • No morning-peak service within 500 m; nearest is Hollyville Lawn, 608 m away (1 an hour).
    • Noise from road traffic mapped at 65–69 dB (day-evening-night average, EPA 2022).
    • Here (2022 census): 53% owner-occupied (council 67%); 7% of homes empty (council 5%); most built 2001–2010; 48% 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: 48 in the last year, 2 three years before.
    • 7 applications nearby in the last 12 months.
    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 33
    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 4.023 Oct 2026
    data.nbco.gov.ieNational Building Control Office (BCMS)CC BY 4.030 Oct 2026
    data.gov.ieVarious (see each layer)CC BY 4.0, CC BY-NC-ND 4.027 Sept 2026
    s3.eu-west-1.amazonaws.comOffice of Public WorksCC BY-NC-ND 4.0 · flag only11 Sept 2026
    gsi.geodata.gov.ieGeological Survey IrelandPublic27 Sept 2026
    services-eu1.arcgis.comNational Parks and Wildlife ServiceCC 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)Public30 Oct 2026
    www2.courts.ie—© the publisher29 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 4.026 Oct 2026
    services.arcgis.comDublin local authorities (housing delivery pipeline)CC BY 4.026 Oct 2026
    esbnetworks.ie—© the publisher · flag only11 Sept 2026
    transportforireland.ieNational Transport AuthorityCC BY 4.025 Oct 2026
    lda.ieLand Development AgencyCC BY 4.011 Sept 2026
    meetings.fingal.ieLocal authorities (council meetings)Public30 Oct 2026
    services.arcgis.comDepartment of Housing (National Planning Application Database)CC BY 4.030 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 licence30 Oct 2026
    services.arcgis.comLocal authorities (RZLT maps)CC BY 4.025 Oct 2026
    gov.ieDepartment of EducationCC BY 4.027 Oct 2026
    gov.ieDepartment of HousingCC BY-SA 4.023 Oct 2026
    tusla.ieTusla (Early Years Inspectorate)Public register28 Oct 2026
    services.arcgis.comLocal authorities via the Department of Housing (GZT / MyPlan)CC BY 4.025 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 30 Oct 2026, 15:36 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.