# Site report — 53.31090, -6.20306

*Everything within 500 m, generated 2026-09-12 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**
>
> - **2026-09-16** (4 days) — observation: D26B/0450/WEB: application received — Conversion of existing attic space comprising of modification of existi…


## Where this is

|  |  |
|---|---|
| Townland | Trimleston or Owenstown |
| Settlement | Dublin city and suburbs |
| Electoral division | Blackrock-Booterstown |
| Local electoral area | Blackrock |
| Local authority | Dun Laoghaire-Rathdown County Council |

**Census 2022, small area 267019014** — 180 people in 78 households (84 dwellings). 74.4% owner-occupied, 21.8% privately rented, 0% social. Vacancy 4.8%. 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 `4745469` (leasehold), 4,162.08 m² (0.42 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** — this site is not on an RZLT map. 46 mapped parcel(s) within the radius.

**Constraints within 500 m**

| Designation | Count | Examples |
|---|---|---|
| Architectural Conservation Area | 1 | Booterstown Avenue |
| Natural Heritage Area (incl. proposed) | 2 | South Dublin Bay; Booterstown Marsh |
| Radon risk area | 3 | About 1 in 10 homes in this area is likely to have high radon levels; About 1 i… |
| Record of Protected Structures | 11 | Dornden House; Glena; Saint Michael's; House; House |
| Special Area of Conservation | 1 | South Dublin Bay SAC |
| Recorded monument | 9 | Castle - tower house; House - 18th century; Armorial plaque; Stone head; Fish-p… |
| Special Protection Area | 1 | South Dublin Bay and River Tolka Estuary SPA |

> ⚠️ **An OPW flood extent intersects this area.** The mapping is licensed CC-BY-NC-ND, so it is not reproduced here — see the OPW's own map at https://www.floodinfo.ie/map/floodmaps/.

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

## Planning activity — 126 applications within 500 m in 5 years

| Decision | Applications |
|---|---|
| GRANT PERMISSION | 81 |
| DECLARE APPLICATION INVALID | 8 |
| APPLICATION DECLARED INVA | 6 |
| GRANT PERMISSION FOR RETENTION | 6 |
| REFUSE PERMISSION | 4 |
| WITHDRAW THE APPLICATION | 3 |
| DECLARE INVALID (SITE NOTICE) | 3 |
| GRANT PERMISSION & GRANT RETENTION | 3 |
| (undecided) | 3 |
| S5 DEC EXEMPT | 2 |
| REFUSE EXT. OF DURATION OF PERMISSION | 2 |
| GRANT RETENTION PERMISSIO | 1 |
| S5 REQ AI | 1 |
| GRANT PERMISSION & REFUSE PERMISSION | 1 |
| S5 DEC NOT EXEMPT | 1 |
| REFUSE PERMISSION FOR RETENTION | 1 |

### Open for observations now

| Closes | Days | Ref | What | Distance |
|---|---|---|---|---|
| 2026-09-16 | 4 | [D26B/0450/WEB](https://planning.agileapplications.ie/dunlaoghaire/application-details/?ref=D26B/0450/WEB) | Conversion of existing attic space comprising of modification of existing roof | 388.5 m |

### Largest by unit count

| Units | Ref | Status | Decision | Received | What |
|---|---|---|---|---|---|
| 4 | 4848/22 | Decision Notice Issued | GRANT PERMISSION | 2022-09-14 | Permission is sought to amend the residential development permitted under reg. … |
| 2 | 4837/23 | Appeal Decided | GRANT PERMISSION | 2023-11-23 | PERMISSION: To amend the residential development permitted by DCC Reg. Ref. 374… |

### Most recent

| Received | Ref | Status | Distance | What |
|---|---|---|---|---|
| 2026-08-12 | D26B/0450/WEB | Assessment Period | 388.5 m | Conversion of existing attic space comprising of modification of existing roof |
| 2026-07-17 | D26A/0545/WEB | Assessment Period | 255.2 m | • Alterations to existing vehicular entrance to increase in width to 3.5M • Demo |
| 2026-07-10 | D26B/0396/WEB | Assessment Period | 405.2 m | Permission is sought for the extension and alteration of existing detached two s |
| 2026-06-24 | D26A/0472/WEB | Decision Issued | 188.1 m | A 26.5sqm. first floor extension to the side of the existing house requiring a |
| 2026-06-04 | REF8626 | Decision Issued | 205.6 m | Installation of single roof window (Velux type) measuring approx 940mm x 1600mm |
| 2026-05-25 | D26B/0306/WEB | Decision Issued | 131.3 m | A roofed storage area to side and slightly beyond the front facade |
| 2026-04-09 | REF5426 | Decision Issued | 205.6 m | Proposed development consists of the installation of external wall insulation to |
| 2026-04-07 | D26B/0209/WEB | Planner RPT to ABP | 42.1 m | The development will consist of:1. Demolition of single storey shed to the rear, |
| 2026-03-06 | D26A/0176/WEB | Planner RPT to ABP | 457.8 m | The development will consist of: A) The change of use of an existing vacant two- |
| 2026-02-20 | D26B/0103/WEB | Final Grant | 314 m | The development for permission will consist of: • Alteration to the front wall a |

*`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 — 21 in 5 years

| Outcome | Cases |
|---|---|
| grant_conditions | 11 |
| (pending) | 3 |
| refuse | 3 |
| withdrawn | 2 |
| other | 1 |
| split | 1 |

| Decided | ACP ref | LA ref | Outcome | Distance |
|---|---|---|---|---|
| 2026-07-10 | 501691 | WEB1937/26 | pending | 261.7 m |
| 2026-06-30 | 501631 | D26A/0176/WEB | open | 457.8 m |
| 2026-06-22 | 501590 | D26B/0209/WEB | pending | 42.1 m |
| 2026-04-08 | 500441 | D25A/0563/WEB | refuse | 405.2 m |
| 2025-10-06 | 322680 | D25A/0087/WEB | grant_conditions | 377.5 m |
| 2025-03-18 | 321290 | D24A/0692/WEB | grant_conditions | 474 m |
| 2025-03-03 | 321063 | D24A/0561/WEB | refuse | 322.4 m |
| 2025-02-19 | 321293 | D24A/0703/WEB | withdrawn | 474 m |
| 2024-10-11 | 319584 | D24B/0043 | grant_conditions | 148.4 m |
| 2024-09-24 | 319131 | D23A/0757 | grant_conditions | 189.3 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 — 31 commencement notices in 3 years

| Year | Notices |
|---|---|
| 2026 | 4 |
| 2025 | 13 |
| 2024 | 9 |
| 2023 | 5 |

| Date | Address | Kind | Planning ref | Distance |
|---|---|---|---|---|
| 2026-07-09 | 13 Castle Court, Booterstown, Dublin, A94T9P3 | commencement_notice | D25B/0606/WEB | 434.3 m |
| 2026-06-04 | 34 Woodbine Park, Blackrock, Dublin, A94 A997 | opt_out_commencement_notice | D26B/0103/WEB | 319 m |
| 2026-03-09 | 34 Seafield Road, Blackrock, Dún Laoghaire-Rathdown, A94 AP… | opt_out_commencement_notice | D24A/0692/WEB | 487.9 m |
| 2026-03-09 | 34 Seafield Road, Blackrock, Dún Laoghaire-Rathdown, A94 AP… | short_commencement_notice | D24A/0703/WEB | 487.9 m |
| 2025-12-01 | 5 Bellevue Park, Booterstown, Dún Laoghaire-Rathdown, A94 R… | commencement_notice | D24A/0873/WEB | 411.7 m |
| 2025-11-18 | 73 Trimleston Gardens, Booterstown, Dún Laoghaire-Rathdown,… | short_commencement_notice | D25B/0075 | 160.1 m |
| 2025-09-17 | 115 Saint Helen's Road, Blackrock, Dún Laoghaire-Rathdown, … | opt_out_commencement_notice | D25A/0180/WEB | 112.9 m |
| 2025-08-28 | 81 Trimleston Gardens, Booterstown, Dún Laoghaire-Rathdown,… | short_commencement_notice | D23B/0576/WEB | 225.1 m |
| 2025-06-18 | 87 Trimleston Gardens, Blackrock, Dún Laoghaire-Rathdown, A… | opt_out_commencement_notice | D24B/0383/WEB | 213.1 m |
| 2025-06-09 | 13 Trimleston Road Booterstown, Blackrock, Dún Laoghaire-Ra… | opt_out_commencement_notice | D24B/0519/WEB | 276.5 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 — 61 within 500 m

Median €825,000 (range €320,000 – €2,060,000), median €7,952/m².

61 matched to the exact address; 22 with beds, floor area and BER from the matched daft.ie advertisement.

| Sold | Price | Address | Beds | m² | BER | New build |
|---|---|---|---|---|---|---|
| 2026-06-12 | €1,655,000 | 59 WOODBINE RD, BLACKROCK, DUBLIN | 4 | 190.7 | C3 | no |
| 2026-04-30 | €500,000 | 11 GROTTO PLACE, BOOTERSTOWN, DUBLIN | 1 | 58 | F | no |
| 2026-03-27 | €410,000 | 50 ELM PARK, MERRION ROAD, BALLSBRIDGE | 1 | — | C1 | no |
| 2026-01-22 | €790,000 | 221 LLANDAFF TERRACE, ELM PARK, MERRION | 2 | 100 | B3 | no |
| 2025-12-03 | €1,360,000 | 49 CASTLECOURT, BOOTERSTOWN, DUBLIN | 4 | 170 | D1 | no |
| 2025-11-28 | €1,150,000 | 20 TRIMLESTON RD, BOOTERSTOWN, DUBLIN | 5 | 186 | D2 | no |
| 2025-09-22 | €1,311,000 | 36 DORNDEN PARK, BOOTERSTOWN, DUBLIN | 4 | 171 | C3 | no |
| 2025-08-08 | €2,060,000 | 43 ST HELENS RD, BOOTERSTOWN, DUBLIN | 4 | 261 | B1 | no |
| 2025-08-01 | €1,100,000 | 2 GROTTO PLACE, BOOTERSTOWN, DUBLIN | 3 | 105 | D2 | no |
| 2025-07-29 | €1,255,000 | 105 SEAMOUNT, MOUNT MERRION, DUBLIN 4 | 3 | 184 | B3 | 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 | 110 | [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 | [National flag in Blackrock Park](https://dlrcoco.public-i.tv/core/portal/webcast_interactive/1122424) |
| 2026-05-11 | Monthly County Council Meeting | other | [Taking in Charge at Proby Place, Blackrock, Co. Dublin](https://dlrcoco.public-i.tv/core/portal/webcast_interactive/1090811) |
| 2026-02-16 | North Central Area Committee | other | [Question in the name of Councillor Clodagh Ní Mhuirí](https://councilmeetings.dublincity.ie/ieListDocuments.aspx?CId=141&MId=5736&Ver=4) |
| 2024-10-07 | Monthly Council Meeting | s183_disposal | [Report No. 199/2024 of the A/Assistant Chief Executive (M. Igoe)- With referenc…](https://councilmeetings.dublincity.ie/ieListDocuments.aspx?CId=142&MId=5332#AI35374) |

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

## Infrastructure and public land

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

**Public land** — none within the radius.

*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 |
|---|---|
| BOOTERSTOWN BOYS | 348.9 m |
| St Andrews College | 597 m |
| OUR LADY OF MERCY CONVENT SCHOOL | 644.8 m |
| Willow Park School | 745.4 m |
| Coláiste Eoin | 929.4 m |
| Coláiste Íosagáin | 948.4 m |

**24 public-transport stops** serving routes 116, 118, 133, 181, 2, 4, 46n, 47, 7, 700, 702, 740, 740A, 740X, 7A, 7B, 7D, 7E, 7n, 845.

*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 |
|---|---|---|---|---|
| 2026-09-16 | 4 | observation | [D26B/0450/WEB: application received — Conversion of existing attic space comprising of mo…](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer/0/query?where=PlanningAuthority = 'Dun Laoghaire Rathdown County Council') | 388.5 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.aca | CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) | 2026-09-11 | [link](https://services.arcgis.com/41mg5wcsG0sphp5W/arcgis/rest/services/ConservationAreas_CDP2228_dlrcoco/FeatureServer/19) |
| constraints | constraints.flood_cfram | CC-BY-NC-ND-4.0 | 2026-09-11 | [link](https://s3.eu-west-1.amazonaws.com/catalogue.floodinfo.opw/cfram/esds_floodmap_ext_f_c.zip) |
| constraints | constraints.nha | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/Jhij7i46ouO8Cc0N/arcgis/rest/services/NPWSDesignatedAreas/FeatureServer/2) |
| 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) |
| constraints | constraints.sac | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/Jhij7i46ouO8Cc0N/arcgis/rest/services/NPWSDesignatedAreas/FeatureServer/3) |
| constraints | constraints.smr | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/HyjXgkV6KGMSF3jt/arcgis/rest/services/SMROpenData/FeatureServer/0) |
| constraints | constraints.spa | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/Jhij7i46ouO8Cc0N/arcgis/rest/services/NPWSDesignatedAreas/FeatureServer/0) |
| 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) |