New River Road, Castleknock, Dunsink
Homes here mostly date from the 1980s. Home extensions nearby almost always get approved (93%).
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 49 days
- 4Appeal window4 weeks after the decision
- 5AppealHere about 4 months
- 6PermissionLasts 5 years
- 7StartStart notice to the council. Here about 4 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 1981–90, after planning permission began and before building regulations (1992).
Each line is a rule that applies to work done after it.
MeasuredEstimatecouncil register via NPAD · build years: CSO Census 2022, small area
Zoning, protection, tax and flood: the detail
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.
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
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: Dunsink Landfill aka Dunsink Civic Amenity (941 m)
| Within 500 m | Count | For example |
|---|---|---|
| Natural heritage areas | 1 | Royal Canal |
| Heritage inventory buildings | 1 | Ranelagh Bridge |
| Radon grid squares | 7 | |
| Protected buildings | 2 | Ranelagh Bridge; Royal Canal 11th Lock |
| Monuments | 2 | Burial ground; R149681 |
How we work this out
Sources: Development plan zoning (councils), EPA licensed sites, EPA radon map, Residential Zoned Land Tax maps, Constraint layers (bundle), OPW flood maps (NIFM), Natural Heritage Areas (NPWS), National Inventory of Architectural Heritage, Records of Protected Structures, Sites and Monuments Record · fetched 25 Oct 2026, 23:43
| Source | Licence | Fetched | Link |
|---|---|---|---|
| Development plan zoning (councils) | CC BY 4.0 | 25 Oct 2026, 23:06 | open |
| EPA licensed sites | CC BY 4.0 | 27 Sept 2026, 19:36 | open |
| EPA radon map | CC BY 4.0 | 27 Sept 2026, 19:36 | open |
| Residential Zoned Land Tax maps | CC BY 4.0 | 25 Oct 2026, 23:43 | open |
| Constraint layers (bundle) | CC BY 4.0, CC BY-NC-ND 4.0 | 27 Sept 2026, 19:37 | open |
| OPW flood maps (NIFM) | CC BY-NC-ND 4.0 · shown as a yes/no only | 11 Sept 2026, 19:11 | open |
| Natural Heritage Areas (NPWS) | CC BY 4.0 | 27 Sept 2026, 19:27 | open |
| National Inventory of Architectural Heritage | CC BY 4.0 | 27 Sept 2026, 19:35 | open |
| Records of Protected Structures | CC BY 4.0 | 27 Sept 2026, 19:36 | open |
| Sites and Monuments Record | CC BY 4.0 | 27 Sept 2026, 19:29 | open |
How we work this out
Sources: Building Control Management System (commencement notices), National Planning Application Database · fetched 1 Nov 2026, 05:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| Building Control Management System (commencement notices) | CC BY 4.0 | 1 Nov 2026, 03:07 | open |
| National Planning Application Database | CC BY 4.0 | 1 Nov 2026, 05:02 | open |
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: 90–100% by type. A new house in a garden is harder: 62% approved, and 1 in 2 are 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 · 161 nearby, 2,853 council-wide
Extensions and refusals right beside you 1 within 250 m · 0 refused within 100 m
Extensions and refusals near you 1 extensions within 250 m · the last 12 months
| Kind | Applied | Approved | Refused |
|---|---|---|---|
| Other | 1 | 0 | — |
Refused within 100 m 0 in the last 12 months
Nothing refused this close in the last 12 months.
How we work this out
Sources: An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices), National Planning Application Database · fetched 1 Nov 2026, 05:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| An Coimisiún Pleanála cases (ArcGIS feed) | CC BY 4.0 | 30 Oct 2026, 23:01 | open |
| Building Control Management System (commencement notices) | CC BY 4.0 | 1 Nov 2026, 03:07 | open |
| National Planning Application Database | CC BY 4.0 | 1 Nov 2026, 05:02 | open |
How long, and what if someone objects?
A home extension's journey here
A decision takes 49 days. 1 in 9 is asked for more information, which adds about 54 days. Building starts about 4 months after permission.
Bars are medians; whiskers show the middle half. Medians of separate steps don't add up exactly.
Calculated197 decided home extensions, 93 start notices, 35 decided appeals · within 1.5 km, 10 years · NPAD, BCMS, An Coimisiún Pleanála
What appeals changed
5 of 18 appealed refusals became permissions. 2 of 19 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
What's changing around you?
- 1Brady's Volvo Cars North Dublin, Old Navan Road FW26A/0339E
- 2Locations across Fingal in an east to west direction crossing the town FW26A/0017E
- 3Junction 6, River Road Castleknock FW26A/0166E
- 452 Beechpark Avenue, Castleknock FW26A/0169E
- 56 Beechpark Orchard, Castleknock FW26A/0323E
- 673 Peck's Lane, Castleknock FW26A/0235E
What happens to applications within 500 m
Permission isn't building. Of 26 permissions since 2016, 8 show a start notice and 0 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.
Measured37 applications in 10 years · NPAD, An Coimisiún Pleanála, BCMS start notices and completion certificates
The next 30 days
Nothing closes within 500 m in the next 30 days.
Measuredcouncil registers and An Coimisiún Pleanála · deadlines worked out from the dates on file
Approved, stalled or planned, not built yet
DART+ West is planned 129 m away.
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)
Applications within 500 m, by year
Between 2 and 10 a year; busiest 2025. 84% of decisions were approvals.
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
- 1Brady's Volvo Cars North Dublin, Old Navan Road, Castleknock, D15V440 No decision yetALTERATIONS AND EXTENSIONS TO EXISTING MOTOR SHOWROOM AND SERVICE WORK
- 56 Beechpark Orchard, Castleknock, Dublin 15, D15 F9H3 No decision yet1) First floor extension above existing ground floor garage at easter
- 673 Peck's Lane, Castleknock, Dublin 15, D15 ACN1 ApprovedThe development will consist of: Construction of a dormer extension t
- 452 Beechpark Avenue, Castleknock, Dublin 15, D15 P5NP No decision yetPlanning Permission to amend a previously permitted development Reg. R
- 3Junction 6, River Road Castleknock, Dublin 15, (The site is generally RefusedThe development will consist of: (A) Retention permission for existing
- 52 Beechpark Avenue, Castleknock, Dublin 15, D15 P5NP Withdrawn or not validamend a previously permitted development Reg. Ref. FW25A/0307E (incorp
- 2Locations across Fingal in an east to west direction crossing the town No decision yetThe Electricity Supply Board (ESB) intends to apply for permission for
How we work this out
Sources: National Planning Application Database, An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices) · fetched 1 Nov 2026, 05:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 1 Nov 2026, 05:02 | open |
| An Coimisiún Pleanála cases (ArcGIS feed) | CC BY 4.0 | 30 Oct 2026, 23:01 | open |
| Building Control Management System (commencement notices) | CC BY 4.0 | 1 Nov 2026, 03:07 | open |
Building work nearby 3 in the last 12 months
- 73 Peck's Lane, Dublin 15, Dublin, D15 ACN1 · 2 Nov 2026 · short notice no sign-off needed · FW26A/0235E · 473 m
- Navan Road, Dublin, Dublin 7, D07 V654 · 15 Jul 2026 · start notice signed off · 268 m
- 52 Beechpark Avenue, Castleknock, Fingal · 13 Apr 2026 · 3 homes · start notice not signed off · FW25A/0307E · 480 m
How we work this out
Source: Building Control Management System (commencement notices) · fetched 1 Nov 2026, 03:07
| Source | Licence | Fetched | Link |
|---|---|---|---|
| Building Control Management System (commencement notices) | CC BY 4.0 | 1 Nov 2026, 03:07 | open |
Named places nearby: estate, schemes, crèches, schools
Named places estate, developments, inspections
Developments within 1.0 km
| Scheme | Homes | Progress | Distance |
|---|---|---|---|
| Phoenix Park Racecourse | — | — | 977 m |
Who applies most nearby
- CWP Investments Ltd — 2 applications, latest 29 Apr 2026
Crèches and schools inspected
| Name | Latest inspection | Distance |
|---|---|---|
| Kidology · Crèche | 8 Jul 2025 · report · Tusla Early Years Inspectorate | 413 m |
| Chrysalis Montessori & Afterschool · Crèche | 9 Oct 2025 · report · Tusla Early Years Inspectorate | 843 m |
| Castleknock Montessori School · Crèche | 7 Oct 2024 · report · Tusla Early Years Inspectorate | 992 m |
| Cherry Blossom Montessori - Castleknock · Crèche | 19 Nov 2024 · report · Tusla Early Years Inspectorate | 992 m |
How we work this out
Sources: Dublin housing delivery pipeline, National Planning Application Database, Applicant organisations (from the CRO), Department of Education school list, Tusla early years register · fetched 1 Nov 2026, 05:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| Dublin housing delivery pipeline | CC BY 4.0 | 26 Oct 2026, 23:00 | open |
| National Planning Application Database | CC BY 4.0 | 1 Nov 2026, 05:02 | open |
| Applicant organisations (from the CRO) | Derived by Planning Register | 25 Oct 2026, 23:01 | — |
| Department of Education school list | CC BY 4.0 | 27 Oct 2026, 23:04 | open |
| Tusla early years register | Public register | 28 Oct 2026, 23:19 | open |
How busy is this area Busier than most of Fingal County Council.
How we work this out
Sources: An Coimisiún Pleanála cases (ArcGIS feed), Building Control Management System (commencement notices), National Planning Application Database · fetched 1 Nov 2026, 05:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| An Coimisiún Pleanála cases (ArcGIS feed) | CC BY 4.0 | 30 Oct 2026, 23:01 | open |
| Building Control Management System (commencement notices) | CC BY 4.0 | 1 Nov 2026, 03:07 | open |
| National Planning Application Database | CC BY 4.0 | 1 Nov 2026, 05:02 | open |
What's the area like?
This street block against the council
73% owner-occupied (council 67%).
MeasuredCSO Census 2022, Small Area Population Statistics (CC BY 4.0) · small area 267041015
Schools, stops and the council
Schools
- Castleknock Educate Together NS · primary · 374 pupils · 485 m
- St Brigids Mxd NS · primary · 834 pupils · 938 m
- Edmund Rice College · postprimary · 912 pupils · 940 m
- Scoil Bride B · primary · 193 pupils · 989 m
Stops 19
- Auburn Green · 38 · 3/hour at peak · 404 m
- Auburn Avenue · 38, 70n · 2/hour at peak · 477 m
- Morgan Place · 38, 38A, 38B, 38D, 39, 39A · 12/hour at peak · 491 m
- Junction 6 · 105, 38A, 39 · 6/hour at peak · 506 m
- Morgan Place · 38, 38A, 38B, 38D, 39, 39A · 21/hour at peak · 566 m
- Ashleigh Green · 37, 38, 70D · 9/hour at peak · 767 m
- Hadleigh Green · 38, 70n · 2/hour at peak · 775 m
- Beechpark Lawn · 38 · 3/hour at peak · 781 m
Schools growing or shrinking planning in 3 years · pupils last year
- Castleknock Educate Together NS · 485 m-8.6% pupils (374)
- St Brigids Mxd NS · 938 m-5% pupils (834) · an extension 2026, approved
- Edmund Rice College · 940 m+12.2% pupils (912)
- Scoil Bride B · 989 m-7.7% pupils (193)
Council meetings 30 items
- 5 Nov 2026 · Confirmation and Re-Affirmation of Minutes of Blanchardstown-Mulhuddart/Castleknock/Ongar Services…
- 5 Nov 2026 · Councillor E. Troy - Investigate Derelict Property - Castleknock Road - AI110505
- 5 Nov 2026 · Councillor J. Walsh - Works on Castleknock Road - Outside Scoil Bhríde - AI110792
- 5 Nov 2026 · Councillor J. Walsh - Update on Castleknock to Blanchardstown Cycle Path - AI110793
- 5 Nov 2026 · Councillor E. Carbone-Mangan and Councillor T. Kitt - Taking in Charge - Castleknock Cross -…
- 5 Nov 2026 · Councillor J. Walsh - Update on Granard Bridge - Castleknock - AI110689
- 12 Oct 2026 · Report of Blanchardstown-Mulhuddart/Castleknock/Ongar Services B Area Committee Meeting held on…
- 1 Oct 2026 · Councillor P. Quinlan - Removal of Parking Charges and Clamping for Patients and Visitors -…
Public land
- Fingal County Council · 3.23 ha · 0 m
- Dublin City Council · 1.6 ha · 112 m
- Fingal County Council · 4.11 ha · 136 m
- Dublin City Council · 0.94 ha · 162 m
- Minister for Agriculture, Food and the Marine · 4.91 ha · 198 m
- Fingal County Council · 0.89 ha · 221 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 1 Nov 2026, 05:02
| Source | Licence | Fetched | Link |
|---|---|---|---|
| Public transport stops and routes (NTA GTFS) | CC BY 4.0 | 25 Oct 2026, 23:02 | open |
| Department of Education school list | CC BY 4.0 | 27 Oct 2026, 23:04 | open |
| National Planning Application Database | CC BY 4.0 | 1 Nov 2026, 05:02 | open |
| Council consultation portals | Public | 1 Nov 2026, 01:08 | open |
| Council meetings (ModernGov) | Public | 1 Nov 2026, 02:24 | open |
| Land Development Agency public land register | 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
- Flood risk area within 100 m: can you insure it?InsurerAsk for: A flood-cover quote before sale agreed.
- Zoned G3 (high amenity), not for homes: could you extend?Solicitor · plannerAsk for: A solicitor's or planner's view.
- Mapped at 65–69 dB from road traffic: will you hear it inside?Visit at rush hourAsk for: A visit at rush hour (and at night), and the windows' glazing specification.
- 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
- Castleknock
- Electoral division
- Castleknock-Park
- 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.
- Nothing nearby looks set to change.
- Morgan Place (bus 38, 38A) 490 m away: 12 an hour at morning peak; 17 from all stops within 500 m. Planned: DART+ West 129 m away, railway order granted (July 2024).
- Noise from road traffic mapped at 65–69 dB (day-evening-night average, EPA 2022).
- Here (2022 census): 73% owner-occupied (council 67%); 6% of homes empty (council 5%); most built 1981–1990; 40% drive to work (council 52%); population up 19% since 2016.
- 1 home extension within 250 m since 2026.
- Around here the council decides in a median 53 days (about 8 weeks); 1 in 5 is asked for more information.
- Homes started within 1 km: 9 in the last year, 14 three years before.
What the terms mean 5 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.
- 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 34
| 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 | 30 Oct 2026 |
| data.nbco.gov.ie | National Building Control Office (BCMS) | CC BY 4.0 | 1 Nov 2026 |
| data.gov.ie | Various (see each layer) | CC BY 4.0, CC BY-NC-ND 4.0 | 27 Sept 2026 |
| gis.epa.ie | Environmental Protection Agency | CC BY 4.0 | 27 Sept 2026 |
| s3.eu-west-1.amazonaws.com | Office of Public Works | CC BY-NC-ND 4.0 · flag only | 11 Sept 2026 |
| services-eu1.arcgis.com | National Parks and Wildlife Service | CC BY 4.0 | 27 Sept 2026 |
| services-eu1.arcgis.com | National Inventory of Architectural Heritage | 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 | 27 Sept 2026 |
| services-eu1.arcgis.com | National Monuments Service (SMR) | CC BY 4.0 | 27 Sept 2026 |
| dlrcoco.citizenspace.com | Local authorities (consultation portals) | Public | 1 Nov 2026 |
| www2.courts.ie | — | © the publisher | 31 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 | 26 Oct 2026 |
| services.arcgis.com | Dublin local authorities (housing delivery pipeline) | CC BY 4.0 | 26 Oct 2026 |
| esbnetworks.ie | — | © the publisher · flag only | 11 Sept 2026 |
| transportforireland.ie | National Transport Authority | CC BY 4.0 | 25 Oct 2026 |
| lda.ie | Land Development Agency | CC BY 4.0 | 11 Sept 2026 |
| meetings.fingal.ie | Local authorities (council meetings) | Public | 1 Nov 2026 |
| services.arcgis.com | Department of Housing (National Planning Application Database) | CC BY 4.0 | 1 Nov 2026 |
| organisations | Planning Register (derived from applications and the CRO register) | Derived by Planning Register | 25 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) | © PSRA, PSI licence | 1 Nov 2026 |
| services.arcgis.com | Local authorities (RZLT maps) | CC BY 4.0 | 25 Oct 2026 |
| gov.ie | Department of Education | CC BY 4.0 | 27 Oct 2026 |
| gov.ie | Department of Housing | CC BY-SA 4.0 | 23 Oct 2026 |
| tusla.ie | Tusla (Early Years Inspectorate) | Public register | 28 Oct 2026 |
| services.arcgis.com | Local authorities via the Department of Housing (GZT / MyPlan) | CC BY 4.0 | 25 Oct 2026 |