# Site report — 53.29064, -6.20890

*Everything within 500 m, generated 2026-09-13 from the PlanSight store. No figure in this report was fetched live; each section names its source and the date that source was last confirmed.*

> **What closes soonest**
>
> - **2026-09-15** (2 days) — observation: D26B/0449/WEB: application received — The development consists of: The alteration and extension of the existi…


## Where this is

|  |  |
|---|---|
| Townland | Mount Merrion or Callary |
| Settlement | Dublin city and suburbs |
| Electoral division | Stillorgan-Mount Merrion |
| Local electoral area | Stillorgan |
| Local authority | Dun Laoghaire-Rathdown County Council |

**Census 2022, small area 267128001** — 370 people in 124 households (135 dwellings). 89.5% owner-occupied, 8.1% privately rented, 0% social. Vacancy 6.7%. 1. Cities

*Sources: [places](https://services-eu1.arcgis.com/FH5XCsx8rYXqnjF5/arcgis/rest/services/Administrative_Areas___OSi_National_Statutory_Boundaries/FeatureServer/0) (2026-09-11)*

## The site itself

**Parcel** — Tailte Éireann `5276400` (freehold), 393.75 m² (0.04 ha), DLR.

**Zoning**

| Code | Objective | Plan |
|---|---|---|
| R2 | Objective A: A To provide residential development and improve residential amenity while protecting the existing residen… | DR-001:DP:county-development-plan-2022-2028 |

**Residential Zoned Land Tax** — on the draft map 2027 (parcel `DELA00001804`, 4.58 ha), and the final map 2026 (parcel `DELA00001804`, 4.58 ha).

> This land is on an RZLT map — the owner is liable for an annual 3 % tax.

**Constraints within 500 m**

| Designation | Count | Examples |
|---|---|---|
| Radon risk area | 6 | About 1 in 10 homes in this area is likely to have high radon levels; About 1 i… |
| Record of Protected Structures | 2 | Mount Merrion House Stables; Thornhill House |

*Sources: [parcels](https://services-eu1.arcgis.com/FH5XCsx8rYXqnjF5/arcgis/rest/services/Cadastral_Parcels_Freehold/FeatureServer/12) (2026-09-11)*

## Planning activity — 170 applications within 500 m in 5 years

| Decision | Applications |
|---|---|
| GRANT PERMISSION | 115 |
| REFUSE PERMISSION | 13 |
| GRANT PERMISSION FOR RETENTION | 11 |
| DECLARE APPLICATION INVALID | 7 |
| DECLARE INVALID (SITE NOTICE) | 4 |
| GRANT CERTIFICATE OF EXEMPTION | 4 |
| WITHDRAW THE APPLICATION | 3 |
| GRANT PERMISSION & GRANT RETENTION | 3 |
| S5 DEC EXEMPT | 3 |
| S5 REQ AI | 2 |
| (undecided) | 2 |
| GRANT EXTENSION OF DURATION OF PERM. | 1 |
| APPROVE | 1 |
| GRANT PERMISSION & REFUSE PERMISSION | 1 |

### Open for observations now

| Closes | Days | Ref | What | Distance |
|---|---|---|---|---|
| 2026-09-15 | 2 | [D26B/0449/WEB](https://planning.agileapplications.ie/dunlaoghaire/application-details/?ref=D26B/0449/WEB) | The development consists of: The alteration and extension of the existing single | 349.7 m |

### Most recent

| Received | Ref | Status | Distance | What |
|---|---|---|---|---|
| 2026-08-11 | D26B/0449/WEB | Assessment Period | 349.7 m | The development consists of: The alteration and extension of the existing single |
| 2026-07-14 | D26B/0401/WEB | Assessment Period | 484.5 m | The development will consist of the renovation and extension of existing 2-stor |
| 2026-06-10 | D26A/0433/WEB | Decision Issued | 336.9 m | The development will consist of: (1) Demolition of existing shed, conservatory |
| 2026-05-26 | D26A/0386/WEB | Final Grant | 309.1 m | Alterations to existing planning permission D25A/0068/WEB to include (a) single |
| 2026-05-07 | D26A/0346/WEB | Final Grant | 389.2 m | 1) Demolition to existing Chimney to the rear, 2) Proposed two story extension t |
| 2026-04-30 | D26A/0327/WEB | Invalid Details Sent to Applicant | 389.2 m | 1) Demolition to existing Chimney to the rear, 2) Proposed two story extension t |
| 2026-04-30 | D26A/0332 | Final Grant | 394.5 m | Additions and alterations to detached dwelling, including demolition of’ single |
| 2026-04-22 | D26B/0242/WEB | Final Grant | 320.1 m | The development will consist of (a) first floor side extension over existing gro |
| 2026-04-16 | D26A/0295 | Planner RPT to ABP | 105.9 m | For the demolition of 2 no. garages (one each at Nos. 33 and 35 Clonmore Road), |
| 2026-04-01 | D26B/0190/WEB | Final Grant | 289 m | Retention of single-storey pitched roof front porch extension, and retention of |

*`description` is truncated at source (80 chars for DLR, 70 for Fingal) and `applicant` is null nationally — NPAD publishes neither in full.*

*Sources: [npad](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer) (2026-09-12)*

## Appeals — 29 in 5 years

| Outcome | Cases |
|---|---|
| grant_conditions | 19 |
| withdrawn | 4 |
| (pending) | 2 |
| split | 2 |
| other | 1 |
| refuse | 1 |

| Decided | ACP ref | LA ref | Outcome | Distance |
|---|---|---|---|---|
| 2026-07-07 | 501672 | D26A/0295 | pending | 105.9 m |
| 2026-06-22 | 500909 | D25B/0680/WEB | refuse | 497.1 m |
| 2026-03-19 | 500397 | D25A/0617 | grant_conditions | 467.5 m |
| 2026-03-04 | 500280 | D25B/0485/WEB | grant_conditions | 307.2 m |
| 2025-11-20 | 323440 | D25A/0466/WEB | grant_conditions | 424.1 m |
| 2025-11-06 | 323310 | DM25/011 | split | 379.4 m |
| 2025-09-24 | 322623 | D25A/0193/WEB | grant_conditions | 460 m |
| 2025-09-24 | 322654 | D25A/0200/WEB | grant_conditions | 460 m |
| 2025-09-16 | 322653 | D25B/0133/WEB | grant_conditions | 437.8 m |
| 2025-09-11 | 322500 | D25A/0143 | grant_conditions | 466.3 m |

*Sources: [acp](https://services-eu1.arcgis.com/o56BSnENmD5mYs3j/arcgis/rest/services/Cases_2016_Onwards/FeatureServer/3) (2026-09-11)*

## What is actually being built — 60 commencement notices in 3 years

| Year | Notices |
|---|---|
| 2026 | 15 |
| 2025 | 18 |
| 2024 | 22 |
| 2023 | 5 |

| Date | Address | Kind | Planning ref | Distance |
|---|---|---|---|---|
| 2026-09-17 | 86 Trees Road Lower, Blackrock, Dublin | opt_out_commencement_notice | D24A/0234 | 179.5 m |
| 2026-09-17 | 56 Trees Road Lower, Blackrock, Dublin, A94 X9X5 | opt_out_commencement_notice | D25B/0739/WEB | 245.2 m |
| 2026-09-02 | 52 Beaufield Park, Dublin, A94 CX39 | opt_out_commencement_notice | D26A/0386/WEB | 350.4 m |
| 2026-08-24 | 46 South Avenue, Blackrock, Dublin, A94 W9D8 | opt_out_commencement_notice | D26A/0159 | 175.7 m |
| 2026-07-27 | 27 Redesdale Road, Blackrock, Dublin | commencement_notice | D25A0617 | 481.2 m |
| 2026-06-12 | 128 Trees Road Upper, Blackrock, Dublin, A94 W8W8 | opt_out_commencement_notice | D26B/0021/WEB | 437 m |
| 2026-06-03 | 4 Beaufield Park, Dublin, Dún Laoghaire-Rathdown, A94 EE5A | short_commencement_notice | D25B/0737/WEB | 477.1 m |
| 2026-06-03 | Whately place, Stillorgan, Dún Laoghaire-Rathdown, NA | commencement_notice | D24A/0426/WEB & D25A/0200/WEB | 476.8 m |
| 2026-05-22 | 26A Lower Kilmacud Road, Dublin, Dún Laoghaire-Rathdown, A9… | opt_out_commencement_notice | D25B/0520/WEB | 209.2 m |
| 2026-05-12 | 20 Kilmacud Park, Blackrock, Dún Laoghaire-Rathdown, A94 A4… | opt_out_commencement_notice | D25B/0625/WEB | 293.1 m |

*One notice can cover many buildings — count notices, never building rows, or a single multi-unit scheme reads as a trend (T11).*

*Sources: [bcms](https://data.nbco.gov.ie/dataset/2704a333-874d-46f5-b3bc-3673766bf816/resource/0774e781-7af8-46da-b623-872e74cf541e/download/buildingscnscccs.csv) (2026-09-12)*

## Recent sales — 47 within 500 m

Median €910,000 (range €393,000 – €1,850,000), median €7,831/m².

47 matched to the exact address; 19 with beds, floor area and BER from the matched daft.ie advertisement.

| Sold | Price | Address | Beds | m² | BER | New build |
|---|---|---|---|---|---|---|
| 2025-11-28 | €1,300,000 | 43 TREES ROAD, MOUNT MERRION, CO DUBLIN | 4 | 166 | D2 | no |
| 2025-11-19 | €1,410,000 | 23 GLENABBEY ROAD, MOUNT MERRION, CO DUBLIN | 4 | 183 | C2 | no |
| 2025-11-10 | €1,245,000 | 15 COOLNEVAUN, OFF UPPER KILMACUD RD, STILLORGAN | 4 | 164 | B3 | no |
| 2025-09-26 | €792,000 | 10 MARSHAM COURT, KILMACUD RD UPPER, STILLORGAN | 3 | 105 | C1 | no |
| 2025-09-25 | €950,000 | 3 KILMACUD PARK, STILLORGAN, DUBLIN | 3 | 117 | C2 | no |
| 2025-09-25 | €850,000 | 13 REDESDALE RD, MOUNT MERRION, DUBLIN | 3 | 124 | C3 | no |
| 2025-09-24 | €1,500,000 | 50 THORNHILL OAKS, CHERRY GARTH, MOUNT MERRION | 4 | 165 | A2 | no |
| 2025-09-17 | €658,500 | 83 MARSHAM COURT, STILLORGAN, DUBLIN | 3 | 83 | D2 | no |
| 2025-09-05 | €920,000 | 14 SOUTH AVENUE, MOUNT MERRION, CO DUBLIN | 3 | 92 | F | no |
| 2025-09-04 | €1,400,000 | 28 SOUTH AVE, MOUNT MERRION, DUBLIN | 4 | 163 | D2 | no |

*PPR addresses are geocoded, not surveyed — a sale's position is as good as its address match (`rooftop_n` says how many are address-accurate). Beds, floor area, BER and asking price come from the matched daft.ie advertisement, not from the Register, and only where a match was found (`enriched_n`).*

*Sources: [cara_listings](https://www.daft.ie/ (via Cara `daft_listing`)) (2026-09-11); [ppr](https://www.propertypriceregister.ie/website/npsra/pprweb.nsf/PPRDownloads?OpenForm) (2026-09-12)*

## Open consultations

| Closes | Days | Title | Kind |
|---|---|---|---|
| 2026-10-21 | 38 | [Cruise Passenger Realignment Project, Dun Laoghaire Harbour](https://dlrcoco.citizenspace.com/infrastructure-climate-change/cruise-passenger-realignment/consult_view/) | other |
| 2026-12-31 | 109 | [Environment: Green Dog Walkers Pledge](https://dlrcoco.citizenspace.com/environment/green-dog-walkers-pledge/consult_view/) | other |

*Sources: [consult](https://dlrcoco.citizenspace.com | https://consult.fingal.ie | https://engage.dublincity.ie) (2026-09-12)*

## Council decisions nearby

| Meeting | Committee | Kind | Item |
|---|---|---|---|
| 2026-09-07 | Dún Laoghaire CHEPP Area Committee Meet… | other | [Tree Pruning in Foxrock](https://dlrcoco.public-i.tv/core/portal/webcast_interactive/1122424) |
| 2026-05-11 | Monthly County Council Meeting | other | [Taking in Charge at Oatlands Manor, Mount Merrion, Blackrock, Co. Dublin](https://dlrcoco.public-i.tv/core/portal/webcast_interactive/1090811) |
| 2026-01-12 | County Council | other | [Local Authorities Members' Association (LAMA) Spring Conference, 28th and 29th …](https://meetings.fingal.ie/ieListDocuments.aspx?CId=129&MId=6205#AI105780) |

*Sources: [moderngov](https://meetings.fingal.ie) (2026-09-12)*

## Infrastructure and public land

*14 capacity record(s) nearby (esb_substation) are not reproduced: source licence forbids redistribution; see the operator's own register.*

**Public land** — 2 relevant public land site(s) nearby: Dublin City Council (1), Dún Laoghaire-Rathdown County Council (1)

*Sources: [esbn](https://www.esbnetworks.ie/services/get-connected/renewable-connection/network-capacity-heatmap) (2026-09-11)*

## Schools and transport within 1,000 m

| School | Distance |
|---|---|
| Oatlands Primary School, An Edmund Rice School | 250.2 m |
| S N NAOMH LORCAN | 263.3 m |
| Oatlands College | 474 m |
| S N SAN TREASA | 476.1 m |
| S N CNOC AINBHIL | 611.4 m |
| St Raphaela's Secondary School | 871.6 m |
| Gaelscoil Laighean | 951.5 m |
| Mount Anville Secondary School | 960 m |

**50 public-transport stops** serving routes 11, 116, 118, 133, 181, 2, 46n, 47, 700, 740, 740A, 740X, 7B, 7D, E1, E2, L25, S6, X1, X2.

*Sources: [gtfs](https://www.transportforireland.ie/transitData/Data/GTFS_All.zip) (2026-09-11); [schools](https://www.gov.ie/en/department-of-education/collections/primary-schools-enrolment-figures/) (2026-09-11)*

## Deadlines still open

| Closes | Days | Kind | What | Distance |
|---|---|---|---|---|
| 2026-09-15 | 2 | observation | [D26B/0449/WEB: application received — The development consists of: The alteration and ext…](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer/0/query?where=PlanningAuthority = 'Dun Laoghaire Rathdown County Council') | 349.7 m |

*Sources: [acp](https://services-eu1.arcgis.com/o56BSnENmD5mYs3j/arcgis/rest/services/Cases_2016_Onwards/FeatureServer/3) (2026-09-11); [consult](https://dlrcoco.citizenspace.com | https://consult.fingal.ie | https://engage.dublincity.ie) (2026-09-12); [moderngov](https://meetings.fingal.ie) (2026-09-12); [npad](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer) (2026-09-12); [rzlt](https://services.arcgis.com/NzlPQPKn5QF9v2US/arcgis/rest/services/Residential_Zoned_Land_Tax_Annual_Draft_Map2027_view/FeatureServer/0) (2026-09-11)*

---

## Provenance

Every section above reads the PlanSight store only.

| Section | Source | Licence | Last confirmed | URL |
|---|---|---|---|---|
| location | places | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/FH5XCsx8rYXqnjF5/arcgis/rest/services/Administrative_Areas___OSi_National_Statutory_Boundaries/FeatureServer/0) |
| parcel | parcels | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/FH5XCsx8rYXqnjF5/arcgis/rest/services/Cadastral_Parcels_Freehold/FeatureServer/12) |
| zoning | zoning | CC-BY-4.0 | 2026-09-12 | [link](https://services.arcgis.com/NzlPQPKn5QF9v2US/arcgis/rest/services/GZT_Current_Plan/FeatureServer/0) |
| constraints | constraints | mixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false) | 2026-09-11 | [link](https://data.gov.ie/ (see the per-sub-source rows in `source`)) |
| constraints | constraints.radon | CC-BY-4.0 | 2026-09-11 | [link](https://gis.epa.ie/geoserver/ows?typeNames=EPA:RadonRiskMapofIreland) |
| constraints | constraints.rps | CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) | 2026-09-11 | [link](https://services.arcgis.com/41mg5wcsG0sphp5W/arcgis/rest/services/ProtectedStructures_CDP2228_dlrcoco/FeatureServer/16) |
| rzlt | rzlt | CC-BY-4.0 | 2026-09-11 | [link](https://services.arcgis.com/NzlPQPKn5QF9v2US/arcgis/rest/services/Residential_Zoned_Land_Tax_Annual_Draft_Map2027_view/FeatureServer/0) |
| planning | npad | CC-BY-4.0 | 2026-09-12 | [link](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer) |
| appeals | acp | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/o56BSnENmD5mYs3j/arcgis/rest/services/Cases_2016_Onwards/FeatureServer/3) |
| commencements | bcms | CC-BY-4.0 | 2026-09-12 | [link](https://data.nbco.gov.ie/dataset/2704a333-874d-46f5-b3bc-3673766bf816/resource/0774e781-7af8-46da-b623-872e74cf541e/download/buildingscnscccs.csv) |
| sales | cara_listings | Third-party advertisement data captured by Cara from daft.ie. Not open data: internal analysis only, no redistribution of listing content. Business-contact details (licensed PSP name and branch) are retained per Cara DECISIONS 2026-08-19; agent phone numbers and all vendor/buyer identities are dropped. | 2026-09-11 | [link](https://www.daft.ie/ (via Cara `daft_listing`)) |
| sales | ppr | PSI — PSRA re-use terms (psr.ie/re-use-of-public-sector-information). Free re-use in any format provided the source and PSRA copyright are acknowledged, the data is reproduced accurately and not used misleadingly, and it is NOT used 'for the principal purpose of advertising or promoting a particular product or service'. Attribution: 'Contains PSRA Residential Property Price Register data, © Property Services Regulatory Authority.' | 2026-09-12 | [link](https://www.propertypriceregister.ie/website/npsra/pprweb.nsf/PPRDownloads?OpenForm) |
| consultations | consult | public | 2026-09-12 | [link](https://dlrcoco.citizenspace.com \| https://consult.fingal.ie \| https://engage.dublincity.ie) |
| council_items | moderngov | public | 2026-09-12 | [link](https://meetings.fingal.ie) |
| capacity | esbn | all-rights-reserved (esbnetworks.ie disclaimer: personal/non-commercial, no modification or republication without written ESB permission) — permission NOT sought | 2026-09-11 | [link](https://www.esbnetworks.ie/services/get-connected/renewable-connection/network-capacity-heatmap) |
| public_land | lda_lands | CC-BY-4.0 | 2026-09-11 | [link](https://lda.ie/public-lands/register-of-relevant-lands) |
| projects | social_housing | CC-BY-SA-4.0 | 2026-09-11 | [link](https://www.gov.ie/en/department-of-housing-local-government-and-heritage/collections/social-housing-construction-projects-status-reports/) |
| amenities | gtfs | CC-BY-4.0 | 2026-09-11 | [link](https://www.transportforireland.ie/transitData/Data/GTFS_All.zip) |
| amenities | schools | CC-BY-4.0 | 2026-09-11 | [link](https://www.gov.ie/en/department-of-education/collections/primary-schools-enrolment-figures/) |
| deadlines | acp | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/o56BSnENmD5mYs3j/arcgis/rest/services/Cases_2016_Onwards/FeatureServer/3) |
| deadlines | consult | public | 2026-09-12 | [link](https://dlrcoco.citizenspace.com \| https://consult.fingal.ie \| https://engage.dublincity.ie) |
| deadlines | moderngov | public | 2026-09-12 | [link](https://meetings.fingal.ie) |
| deadlines | npad | CC-BY-4.0 | 2026-09-12 | [link](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer) |
| deadlines | rzlt | CC-BY-4.0 | 2026-09-11 | [link](https://services.arcgis.com/NzlPQPKn5QF9v2US/arcgis/rest/services/Residential_Zoned_Land_Tax_Annual_Draft_Map2027_view/FeatureServer/0) |