Marconi Crescent
Homes here mostly date from the 2010s. 1 planning file on this house, the latest from 2026. Home extensions nearby almost always get approved (94%).
How planning works, with this area's numbers
steps can overlap · medians for home extensions within 1.5 km, 10 years- 1ApplySite notice up, plans online
- 2Comments5 weeks, €20. Comment to keep your right to appeal
- 3Decision8 weeks by law. Here 52 days
- 4Appeal window4 weeks after the decision
- 5AppealHere about 5 months
- 6PermissionLasts 5 years
- 7StartStart notice to the council. Here about 5 months after
- 8Sign-offCompletion cert, or the owner opts out
What's the planning story of this house?
When it was built, and the rules since
Most homes here were built 2011–15, around when building records went online (2014). 1 planning file on this house, the latest from 2026.
Each line is a rule that applies to work done after it.
MeasuredEstimatecouncil register via NPAD · build years: CSO Census 2022, small area
- 2026D26A/0662/WEB · permission for development · no decision yetapproved?started?signed off?
Zoning, protection, tax and flood: the detail
What it says
Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities
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.
county development plan 2022 2028 · 1 Apr 2022 – 1 Apr 2028
What it says
Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities
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.
d n laoghaire rathdown county development plan 2022 2028 variation no 1 · 21 Apr 2022 – 20 Apr 2028
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.
Licensed industrial sites within 1.0 km: embecta Penel Limited (875 m); Amgen Technology (Ireland) Unlimited Company (903 m)
| Within 500 m | Count | For example |
|---|---|---|
| Radon grid squares | 2 | |
| Protected buildings | 1 | Gowrie House |
| Monuments | 2 | Burial; R149407 |
How we work this out
Sources: zoning, constraints.epa_licence, constraints.radon, epa_leap, rzlt, constraints, constraints.rps, constraints.smr · fetched 11 Oct 2026, 23:18
| Source | Licence | Fetched | Link |
|---|---|---|---|
| zoning | CC-BY-4.0 | 11 Oct 2026, 23:18 | open |
| constraints.epa_licence | CC-BY-4.0 | 27 Sept 2026, 19:36 | open |
| constraints.radon | CC-BY-4.0 | 27 Sept 2026, 19:36 | open |
| epa_leap | CC-BY-4.0 | 12 Oct 2026, 23:31 | open |
| rzlt | CC-BY-4.0 | 12 Oct 2026, 00:14 | open |
| constraints | mixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false) | 27 Sept 2026, 19:37 | open |
| constraints.rps | CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) | 27 Sept 2026, 19:36 | open |
| constraints.smr | CC-BY-4.0 | 27 Sept 2026, 19:29 | open |
How we work this out
Could you extend?
Nothing on this site restricts it: not protected, not in a conservation area.
What happened to applications like yours
Extensions are almost always approved here: 91–100% by type. A new house in a garden is harder: 66% approved, and 1 in 5 is asked for more information.
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 · 930 nearby, 6,622 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
How long, and what if someone objects?
A home extension's journey here
A decision takes 52 days. 1 in 9 is asked for more information, which adds about 68 days. Building starts about 5 months after permission.
Bars are medians; whiskers show the middle half. Medians of separate steps don't add up exactly.
Calculated974 decided home extensions, 482 start notices, 211 decided appeals · within 1.5 km, 10 years · NPAD, BCMS, An Coimisiún Pleanála
What appeals changed
46 of 93 appealed refusals became permissions. 13 of 126 appealed approvals were reversed.
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
What's changing around you?
- 147a, Sallynoggin Road D26A/0608
- 2DERELICT, HARVEY NURSING HOME DS: 1705
- 384, Ardmore Park D26A/0323/WEB
- 424, Kill Avenue D26A/0294/WEB
- 5National Mobility Hubs Pilot: Dún Laoghaire-Rathdown, 73 Locations Across the Council's Administrative Area PC/IC/01/26
- 6Sooner Than Later Solutions Ltd., Unit 24 Kill Avenue D26A/0650/WEB
- 786, O'Rourke Park D26B/0166
- 839, Highthorn Park D26B/0070/WEB
- 953, Glenageary Woods REF11326
- 101A, Fitzgerald Park D25B/0633/WEB
- 1147, Kill Avenue D25A/0830/WEB
- 12'Lakeview', Marconi Crescent D26A/0662/WEB
What happens to applications within 500 m
Permission isn't building. Of 142 permissions since 2016, 58 show a start notice and 9 have a completion certificate.
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.
Measured177 applications in 10 years · NPAD, An Coimisiún Pleanála, BCMS start notices and completion certificates
The next 30 days
1 deadline within 500 m; the first closes 3 Nov 2026.
- Time to appeal ends 3 Nov 202619 days left1D26A/0608 · REFUSE PERMISSION FOR RETENTION — Retention planning permission for a car wash and valet facility including two st€220 to An Coimisiún Pleanála (€110 observer) · 484 m away
Measuredcouncil registers and An Coimisiún Pleanála · deadlines worked out from the dates on file
Sites that could change 1 within 500 m
Derelict building 1
- 2DERELICT, HARVEY NURSING HOME · listed as derelict · 269 m
Sources: acp, bcms, derelict, moderngov, npad, rzlt · fetched 9 Oct 2026, 23:03
| Source | Licence | Fetched | Link |
|---|---|---|---|
| acp | CC-BY-4.0 | 9 Oct 2026, 23:03 | open |
| bcms | CC-BY-4.0 | 15 Oct 2026, 00:44 | open |
| derelict | CC-BY-4.0 | 12 Oct 2026, 23:08 | open |
| moderngov | public | 15 Oct 2026, 01:32 | open |
| npad | CC-BY-4.0 | 15 Oct 2026, 02:04 | open |
| rzlt | CC-BY-4.0 | 12 Oct 2026, 00:14 | open |
Applications within 500 m, by year
Between 12 and 26 a year; busiest 2018. 87% of decisions were approvals.
2016 and 2026 are part years (*). Exemption requests and time extensions are left out.
Measuredcouncil register via NPAD
Every application within 500 m 14 in the last 12 months
See every application on the map
- 12'Lakeview', Marconi Crescent, Honeypark, Dún Laoghaire, Co. Dublin No decision yetPermission for development on site of c. 0.2551 ha . The overall site comprises
- 6Sooner Than Later Solutions Ltd., Unit 24 Kill Avenue, Dun Laoghaire, A96 T959 No decision yetPlanning permission for the proposed development of a Warehouse storage building
- 147a, Sallynoggin Road, Sallynoggin, Co. Dublin, A96PY22 RefusedRetention planning permission for a car wash and valet facility including two st
- 47a, Sallynoggin Road, Sallynoggin, Co. Dublin, A96PY22 Withdrawn or not validRetention planning permission for a car wash and valet facility including two st
- 953, Glenageary Woods, Glenageary, DUBLIN, A96X5C8 Section 5: exemptI would like to enquire if planning is necessary to add external wrap insulation
- 5National Mobility Hubs Pilot: Dún Laoghaire-Rathdown, 73 Locations Across the Council's Administrative Area, Dún Laoghaire-Rathdown No decision yet73 mobility hub sites across the Council's administrative area
- 384, Ardmore Park, Dun Laoghaire, Dublin, A96XW95 ApprovedThe development consists of widening the existing vehicular entrance to the fro
- 424, Kill Avenue, Dun Laoghaire, Co Dublin, A96T959 ApprovedRetention of 3 windows at first floor level of the building on the rear/ wester
- 786, O'Rourke Park, Sallynoggin, Dublin, A96W2D8 ApprovedProposed Front single storey extension with associated site development works to
- 839, Highthorn Park, Mounttown, Co. Dublin, A96F5P7 ApprovedGarage conversion to habitable use, including raising of the flat roof to the si
- 86, O'Rourke Park, Sallynoggin, Dublin, A96W2D8 Withdrawn or not validProposed Front single Storey Extension with associated site development works to
- 86, O'Rourke Park, Sallynoggin, Co. Dublin, A96W2D8 Withdrawn or not validProposed front single storey extension with associated site development works to
- 101A, Fitzgerald Park, Dun Laoghaire, Co. Dublin Approvedsingle storey extension to rear and previously approved (D22A/0717) dwelling as
- 1147, Kill Avenue, Dun Laoghaire, Dublin, A96TV02 ApprovedNew front vehicular access with dropped kerb, including partial removal of the f
How we work this out
Building work nearby 4 in the last 12 months
- 86 O'Rourke Park, Sallynoggin, Dublin, A96 W2D8 · 5 Oct 2026 · 1 homes · short notice no sign-off needed · D26B/0166 · 411 m
- 201 Kill Avenue, Co. Dublin, Dublin, A96 X6X3 · 4 Aug 2026 · 7-day notice not signed off · 454 m
- 39 Highthorn Park, Monkstown, Dublin, A96 F5P7 · 26 Jun 2026 · 1 homes · start notice, opted out no sign-off needed · D26B/0070/WEB · 454 m
- 18 Highthorn Park, Dublin, Dún Laoghaire-Rathdown, A96 Y6V9 · 8 Apr 2026 · 1 homes · start notice, opted out no sign-off needed · D25A/0778/WEB · 310 m
How we work this out
Source: bcms · fetched 15 Oct 2026, 00:44
| Source | Licence | Fetched | Link |
|---|---|---|---|
| bcms | CC-BY-4.0 | 15 Oct 2026, 00:44 | open |
Homes coming 0 not started
- Cualanor · 155 homes · building started · 444 m
How we work this out
Named places nearby: estate, schemes, crèches, schools
Named places estate, developments, inspections
Developments within 1.0 km
| Scheme | Homes | Progress | Distance |
|---|---|---|---|
| Cualanor | — | — | 381 m |
| Sallynoggin Road and Glenageary Avenue and Glenageary Rounda | — | — | 623 m |
| Sallynoggin Road | — | — | 623 m |
| Junction of Sallynoggin Road Lower and Glenageary Avenue | — | — | 625 m |
| Baker's Hall | — | — | 700 m |
| 0.483ha lands at Baker’s Corner | — | — | 700 m |
| St. Josephs, Tivoli Road | 24 | 24 not started (2026-Q2) | 710 m |
| Arva, 137 Glenageary Road Upper | 27 | 27 not started (2026-Q1) | 988 m |
Crèches and schools inspected
| Name | Latest inspection | Distance |
|---|---|---|
| Kildarton Specialised Preschool · Crèche | 19 Sept 2024 · report · Tusla Early Years Inspectorate | 276 m |
| Mounttown Early Years Service · Crèche | 21 Jan 2026 · report · Tusla Early Years Inspectorate | 536 m |
| Jelly Stone Park Day Nursery · Crèche | 1 Apr 2026 · report · Tusla Early Years Inspectorate | 606 m |
| Monkstown Grove Montessori School · Crèche | 28 May 2025 · report · Tusla Early Years Inspectorate | 761 m |
| Magical Days · Crèche | 3 Mar 2026 · report · Tusla Early Years Inspectorate | 826 m |
| Manorbrook Montessori & After School Club · Crèche | 6 Oct 2025 · report · Tusla Early Years Inspectorate | 826 m |
| Barnardos Tivoli Child & Family Centre · Crèche | 9 Oct 2025 · report · Tusla Early Years Inspectorate | 946 m |
How we work this out
Sources: dublin_pipeline, npad, schools, tusla_ey · fetched 12 Oct 2026, 23:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| dublin_pipeline | CC-BY-4.0 | 12 Oct 2026, 23:02 | open |
| npad | CC-BY-4.0 | 15 Oct 2026, 02:04 | open |
| schools | CC-BY-4.0 | 27 Sept 2026, 23:32 | open |
| tusla_ey | public (Tusla statutory register; acknowledgement required, no open licence stated) | 14 Oct 2026, 23:20 | open |
How busy is this area Busier than most of Dún Laoghaire-Rathdown County Council.
How we work this out
What's the area like?
This street block against the council
26% of homes built before 1971 (council 38%). 87% owner-occupied (council 68%).
MeasuredCSO Census 2022, Small Area Population Statistics (CC BY 4.0) · small area 267074006/03
Schools, stops and the council
Schools
- Monkstown Eucate Together NS · primary · 415 pupils · 274 m
- Our Lady Of Lourdes School · primary · 6 pupils · 735 m
- St Josephs · primary · 370 pupils · 738 m
- Holy Family School · primary · 149 pupils · 749 m
- St Kevins NS · primary · 229 pupils · 755 m
- Carmona Special National School · primary · 37 pupils · 758 m
- Dun Laoghaire ETNS · primary · 177 pupils · 881 m
- Red Door Special School · primary · 29 pupils · 881 m
Stops 58
- Kill Avenue · 7D, E2 · 8/hour at peak · 180 m
- Glenageary Road · 7D, E2 · 6/hour at peak · 197 m
- Park Pointe SC · 111, 7D · 2/hour at peak · 229 m
- Oliver Plunkett Ct · L27 · 2/hour at peak · 272 m
- Oliver Plunkett Rd · L27 · 2/hour at peak · 273 m
- Park Pointe SC · 111, 7D · 1/hour at peak · 317 m
- Oliver Plunkett Rd · L27 · 2/hour at peak · 357 m
- IADT Dun Laoghaire · 7D, E2 · 6/hour at peak · 389 m
Schools growing or shrinking planning in 3 years · pupils last year
- Monkstown Eucate Together NS · 274 m-2.8% pupils (415)
- Our Lady Of Lourdes School · 735 m-40% pupils (6)
- St Josephs · 738 m-5.6% pupils (370)
- Holy Family School · 749 m-2.6% pupils (149)
- St Kevins NS · 755 m+7.5% pupils (229) · a special education unit 2025, approved
- Carmona Special National School · 757 m0% pupils (37)
Open consultations
Council meetings 16 items
- 12 Oct 2026 · 4.04. Proposed 4 year and 9-month Leasehold Agreement for use of a site under the Veranda at…
- 12 Oct 2026 · 4.05. Proposed granting of a 15-year Lease to the Irish National Sailing School for the use of…
- 5 Oct 2026 · Part 1 - Confirmation and adoption of minutes of the Dún Laoghaire Area Committee meeting CHEPP…
- 14 Sept 2026 · Report on the Membership of Dún Laoghaire Rathdown Local Community Development Committee (LCDC)
- 7 Sept 2026 · Re-Introducing Beavers at Key (flood risk) Locations in the Dun Laoghaire Area
- 7 Sept 2026 · Bench on Kill Avenue
- 6 Jul 2026 · Appointment of 3 Members to the Dún Laoghaire-Rathdown Theatre
- 6 Jul 2026 · 4.03. Proposed 4-year 9-month leasehold agreement for use of Berth 3, Carlisle Pier, Dún Laoghaire…
Public land
- The Minister for Education and Skills · 0.3 ha · 197 m
- The Minister for Education and Skills · 8.02 ha · 217 m
- The Minister for Education and Skills · 0.19 ha · 238 m
- Dublin City Council · 0.6 ha · 263 m
- The Minister for Education and Skills · 0.12 ha · 349 m
- The Minister for Education and Skills · 2.42 ha · 367 m
Sources: gtfs, schools, npad, consult, moderngov, lda_lands, 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 11 Oct 2026, 23:43
| Source | Licence | Fetched | Link |
|---|---|---|---|
| gtfs | CC-BY-4.0 | 11 Oct 2026, 23:43 | open |
| schools | CC-BY-4.0 | 27 Sept 2026, 23:32 | open |
| npad | CC-BY-4.0 | 15 Oct 2026, 02:04 | open |
| consult | public | 15 Oct 2026, 01:32 | open |
| moderngov | public | 15 Oct 2026, 01:32 | open |
| lda_lands | CC-BY-4.0 | 11 Sept 2026, 16:43 | open |
| cso_saps_2022 | CC BY 4.0 | — | open |
| National Transport Authority | CC 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 maps | CC BY 4.0 | — | — |
| Fingal County Council | CC BY 4.0 | — | — |
What to ask, and who
- Permission for development (D26A/0662/WEB) awaits a decision: what is planned?Seller · solicitorAsk for: The application on the council's website.
- Planning here goes back to 2007: is the house built as approved?SolicitorAsk for: The original planning grant and an opinion of compliance.
- Any work done without planning permission?Seller · solicitorAsk for: An opinion of compliance for the whole house.
Where this is, the terms, the sources
- Townland
- Honeypark
- Electoral division
- Dun Laoghaire-Sallynoggin West
- Electoral area
- Dún Laoghaire
- Council
- Dun Laoghaire-Rathdown County Council
Everything we found, as a list 8 lines
- 1 application on this site; latest D26A/0662/WEB, no decision yet.
- Zoned R2 (existing residential); not protected; no vacant land tax.
- 1 site nearby could change: 1 derelict.
- Kill Avenue (bus 7D, E2) 180 m away: 8 an hour at morning peak; 39 from all stops within 500 m.
- Here (2022 census): 87% owner-occupied (council 68%); 2% of homes empty (council 6%); most built 2011–2015; 38% drive to work (council 43%); population up 51% since 2016.
- The council decides in a median 52 days (about 7 weeks); 1 in 8 is asked for more information.
- Homes started within 1 km: 25 in the last year, 19 three years before.
- 14 applications nearby in the last 12 months; 86% approved (council 87%).
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.
- Listed by the council as derelict (Derelict Sites Register): Councils keep a public list of land and buildings in a ruinous or dangerous state.
- 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
| Source | Publisher | Licence | Fetched |
|---|---|---|---|
| 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.com | An Coimisiún Pleanála | CC-BY-4.0 | 9 Oct 2026 |
| data.nbco.gov.ie | National Building Control Office (BCMS) | CC-BY-4.0 | 14 Oct 2026 |
| data.gov.ie | Various (see each layer) | mixed — CC-BY-4.0 except OPW flood (CC… | 27 Sept 2026 |
| gis.epa.ie | Environmental Protection Agency | CC-BY-4.0 | 27 Sept 2026 |
| gis.epa.ie | Environmental Protection Agency | CC-BY-4.0 | 27 Sept 2026 |
| services.arcgis.com | Local authorities (Record of Protected Structures) | CC-BY-4.0 (Fingal); public/attribution… | 27 Sept 2026 |
| services-eu1.arcgis.com | National Monuments Service (SMR) | CC-BY-4.0 | 27 Sept 2026 |
| dlrcoco.citizenspace.com | https: | Local authorities (consultation portals) | public | 15 Oct 2026 |
| www2.courts.ie | — | all-rights-reserved | 15 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.com | Local authorities (derelict sites registers) | CC-BY-4.0 | 12 Oct 2026 |
| services.arcgis.com | Dublin local authorities (housing delivery pipeline) | CC-BY-4.0 | 12 Oct 2026 |
| data.epa.ie | Environmental Protection Agency (LEAP licence register) | CC-BY-4.0 | 12 Oct 2026 |
| esbnetworks.ie | — | all-rights-reserved (esbnetworks.ie di… · flag only | 11 Sept 2026 |
| transportforireland.ie | National Transport Authority | CC-BY-4.0 | 11 Oct 2026 |
| lda.ie | Land Development Agency | CC-BY-4.0 | 11 Sept 2026 |
| meetings.fingal.ie | Local authorities (council meetings) | public | 15 Oct 2026 |
| services.arcgis.com | Department of Housing (National Planning Application Database) | CC-BY-4.0 | 15 Oct 2026 |
| services-eu1.arcgis.com | Tailte Éireann | CC-BY-4.0 | 11 Sept 2026 |
| services-eu1.arcgis.com | CSO, Tailte Éireann, OpenStreetMap contributors | CC-BY-4.0 | 4 Oct 2026 |
| propertypriceregister.ie | Property Services Regulatory Authority (PPR) | PSI — PSRA re-use terms (psr.ie/re-use… | 15 Oct 2026 |
| services.arcgis.com | Local authorities (RZLT maps) | CC-BY-4.0 | 11 Oct 2026 |
| gov.ie | Department of Education | CC-BY-4.0 | 27 Sept 2026 |
| gov.ie | Department of Housing | CC-BY-SA-4.0 | 9 Oct 2026 |
| tusla.ie | Tusla (Early Years Inspectorate) | public (Tusla statutory register; ackn… | 14 Oct 2026 |
| services.arcgis.com | Local authorities via the Department of Housing (GZT / MyPlan) | CC-BY-4.0 | 11 Oct 2026 |