# Site report — 53.28130, -6.33120

*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**
>
> - **2026-09-17** (5 days) — observation: SD26B/0371W: application received — Conversion of existing attic space comprising of modification of existing…
> - **2026-09-17** (5 days) — jr: ACP 501053: Grant permission


## Where this is

|  |  |
|---|---|
| Townland | Knocklyon |
| Settlement | Dublin city and suburbs |
| Electoral division | Firhouse Village |
| Local electoral area | Firhouse-Bohernabreena |
| Local authority | South Dublin County Council |

**Census 2022, small area 267084037** — 268 people in 94 households (99 dwellings). 83% owner-occupied, 11.7% privately rented, 0% social. Vacancy 3%. 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 `1843550` (leasehold), 244.38 m² (0.02 ha), SDCC.

**Zoning**

| Code | Objective | Plan |
|---|---|---|
| R2 | RES: To protect and/or improve residential amenity | SD-001:DP:south-dublin-county-development-plan-2022-2028 |

**Residential Zoned Land Tax** — on the draft map 2027 (parcel `SDLA00084742`, 0.05 ha), and the final map 2026 (parcel `SDLA00084742`, 0.05 ha).

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

**Constraints within 500 m**

| Designation | Count | Examples |
|---|---|---|
| NIAH-recorded building | 2 | Prospect House; Knocklyon Castle |
| Radon risk area | 3 | About 1 in 10 homes in this area is likely to have high radon levels; About 1 i… |
| Recorded monument | 4 | Castle - tower house; Fulacht fia; R149387; R149399 |

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

## Planning activity — 71 applications within 500 m in 5 years

| Decision | Applications |
|---|---|
| Grant Permission | 52 |
| Invalid - Site Notice | 6 |
| (undecided) | 5 |
| Grant Permission & Grant Retention | 2 |
| Grant Retention & Refuse Permission | 1 |
| Declared Withdrawn | 1 |
| Refuse Permission | 1 |
| Request Additional Information | 1 |
| Section 179A Derogation Withered | 1 |
| Declared Exempt | 1 |

### Open for observations now

| Closes | Days | Ref | What | Distance |
|---|---|---|---|---|
| 2026-09-17 | 5 | [SD26B/0371W](https://planning.agileapplications.ie/southdublin/application-details/70835) | Conversion of existing attic space comprising of modification of existing roof structure;… | 220.8 m |

### Largest by unit count

| Units | Ref | Status | Decision | Received | What |
|---|---|---|---|---|---|
| 29 | PT8SD359 | Unregistered application | — | 2026-03-05 | The proposed development is comprised of 29 homes and all associated open space… |
| 2 | SD26A/0001W | Appeal decided | Grant Permission | 2026-01-06 | Planning permission is sought by Mr. Ross Hollingsworth for a detached two stor… |
| 2 | SD24A/0111 | Appeal decided | Refuse Permission | 2024-05-07 | Detached two storey, building to provide 2 number circa 82 sq.m 2 bed apartment… |
| 2 | SD21A/0106 | Appeal decided | Grant Permission | 2021-12-07 | Demolition of existing child care facility; construction of 2 semi-detached, 3-… |
| 1 | SD25A/0084 | Final Grant | Grant Permission | 2025-04-07 | Demolish existing carport and shed, erect new 2 - storey 3 bedroom detached dwe… |
| 1 | SD24A/0208W | Final Grant | Grant Permission | 2024-09-02 | I, Karl Murphy, intend to apply for permission for development at No. 8a Castle… |
| 1 | SD23A/0209 | Final Grant | Grant Retention & Refuse Permission | 2024-04-16 | Demolish existing carport & shed, erect new 2-storey 3 bedroom detached dwellin… |
| 1 | SD22A/0080 | Pre-Reg | Declared Withdrawn | 2022-03-16 | Detached three storey, four bedroom house in a contemporary design with flat ro… |

### Most recent

| Received | Ref | Status | Distance | What |
|---|---|---|---|---|
| 2026-08-13 | SD26B/0371W | Referral | 220.8 m | Conversion of existing attic space comprising of modification of existing roof … |
| 2026-07-18 | SD26B/0334W | Referral | 344.7 m | Modifications to previously granted application SD25A/0084 to include the const… |
| 2026-06-12 | ED26/0057 | Decision Request A.I. | 129 m | Repair of part of storm damaged boundary wall and fence. |
| 2026-05-27 | SD26B/0258W | Decision | 347.4 m | Proposed first floor extension over the existing ground floor layout, comprisin… |
| 2026-04-09 | SD26B/0165W | Final Grant | 293.8 m | Proposed build-up of existing hip in roof to side of roof into Dutch hip at att… |
| 2026-03-12 | SD26B/0104W | Final Grant | 409.1 m | The alterations to the existing roof profile to convert it from a hipped roof p… |
| 2026-03-05 | PT8SD359 | Unregistered application | 356.1 m | The proposed development is comprised of 29 homes and all associated open space… |
| 2026-01-30 | PT8SD350 | Unregistered application | 366.1 m | Pursuant to the requirements of the above, South Dublin County Council hereby g… |
| 2026-01-23 | SD26B/0027W | Final Grant | 420.8 m | Conversion of existing attic space comprising of modification of existing roof … |
| 2026-01-23 | SD26B/0026 | Final Grant | 437.5 m | Construction of a single storey extension at the side, rear & a porch at the fr… |

*`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 — 5 in 5 years

| Outcome | Cases |
|---|---|
| grant_conditions | 2 |
| grant | 1 |
| (pending) | 1 |
| refuse | 1 |

| Decided | ACP ref | LA ref | Outcome | Distance |
|---|---|---|---|---|
| 2026-07-23 | 501053 | SD26A/0001W | grant | 343.8 m |
| 2025-05-12 | 320268 | SD24A/0111 | refuse | 343.4 m |
| 2022-09-01 | 314543 | SD22B/0267 | pending | 230.5 m |
| 2022-07-20 | 312362 | SD21A/0212 | grant_conditions | 464.7 m |
| 2022-06-15 | 312625 | SD21A/0106 | grant_conditions | 88.4 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 — 21 commencement notices in 3 years

| Year | Notices |
|---|---|
| 2026 | 5 |
| 2025 | 7 |
| 2024 | 8 |
| 2023 | 1 |

| Date | Address | Kind | Planning ref | Distance |
|---|---|---|---|---|
| 2026-06-02 | 10 Glenlyon Park, Knocklyon, South Dublin, D16 A2W4 | short_commencement_notice | SD26B/0027W | 433 m |
| 2026-05-21 | 1A Monalea Park, Firhouse, South Dublin | opt_out_commencement_notice | SD25A/0084 | 352.1 m |
| 2026-05-14 | 106 Carrigwood, Firhouse, South Dublin, D24 W2V1 | short_commencement_notice | SD26B/0026 | 448.3 m |
| 2026-04-06 | 115 Woodlawn Park Grove, South Dublin, D24 FX9W | short_commencement_notice | SD25B/0698W | 197.6 m |
| 2026-03-09 | 65 Woodlawn Park Drive, Dublin, D24 VH2R | short_commencement_notice | SD25B/0579W | 415.7 m |
| 2025-12-09 | 154 Carrigwood, Firhouse, South Dublin, D24 K2D0 | short_commencement_notice | SD25B/0468 | 335.1 m |
| 2025-09-05 | 16 Castlefield Green, Knocklyon, South Dublin, D16 C9N1 | opt_out_commencement_notice | SD25B/0122W | 468.8 m |
| 2025-06-09 | 13 Monalea Grove, Dublin, D24 P3Y2 | short_commencement_notice | SD25B/0017W | 111.2 m |
| 2025-05-13 | 65 Monalea Grove, Ballycullen, South Dublin, D24 N9WT | short_commencement_notice | SD24B/0529W | 229.4 m |
| 2025-03-14 | 47 Monalea Grove, Firhouse, South Dublin, D24 F2W2 | short_commencement_notice | SD24B/0500W | 98.2 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) (2026-09-11)*

## Recent sales — 35 within 500 m

Median €562,000 (range €450,000 – €975,000), median €5,475/m².

35 matched to the exact address; 10 with beds, floor area and BER from the matched daft.ie advertisement.

| Sold | Price | Address | Beds | m² | BER | New build |
|---|---|---|---|---|---|---|
| 2026-08-14 | €653,000 | 16 CASTLEFIELD PARK, CASTLEFIELD MANOR, DUBLIN 16 | — | — | — | no |
| 2026-01-29 | €600,000 | 1 MONALEA PARK, FIRHOUSE, DUBLIN 24 | 3 | 102 | B3 | no |
| 2025-12-16 | €560,000 | 7 GLENLYON CRESCENT, BALLYCULLEN RD, KNOCKLYON DUBLIN 16 | 4 | 120 | D1 | no |
| 2025-11-24 | €710,000 | 62A MONALEA WOOD, FIRHOUSE RD, FIRHOUSE DUBLIN 24 | 3 | 142 | C3 | no |
| 2025-10-02 | €975,000 | 38 KNOCKFIELD MANOR, KNOCKLYON, DUBLIN 16 | 4 | 161 | B3 | no |
| 2025-09-05 | €545,000 | 127 WOODLAWN PARK GROVE, FIRHOUSE, DUBLIN 24 | 3 | 100 | D1 | no |
| 2025-08-26 | €721,000 | 13 MONALEA WOOD, FIRHOUSE RD, DUBLIN 24 | 4 | 143 | E1 | no |
| 2025-07-16 | €571,000 | 32 CASTLEFIELD COURT, CASTLEFIELD MANOR, KNOCKLYON DUBLIN 16 | 2 | 86 | C3 | no |
| 2025-07-15 | €550,000 | 49 WOODLAWN PARK GROVE, FIRHOUSE, DUBLIN | 3 | 100 | E2 | no |
| 2025-04-17 | €636,000 | 10 GLENLYON CRESCENT, KNOCKLYOH, DUBLIN 16 | 3 | 99.5 | 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 |
|---|---|---|---|
| 2026-09-16 | 3 | [Safe Routes to School Scoil Naomh Aine Clondalkin](https://consult.sdublincoco.ie/en/consultation/safe-routes-school-scoil-naomh-aine-clondalkin) | other |
| 2026-09-18 | 5 | [Notice of Consideration of a Scheme for the Abatement of Rates in Respect of Va…](https://consult.sdublincoco.ie/en/consultation/notice-consideration-scheme-abatement-rates-respect-vacant-properties-2027) | other |
| 2026-09-29 | 17 | [Clonburris Proposed Material Amendment to the Clonburris Strategic Development …](https://consult.sdublincoco.ie/en/consultation/clonburris-proposed-material-amendment-clonburris-strategic-development-zone-planning-scheme-2019) | 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 |
|---|---|---|---|
| 2026-05-12 | Rathfarnham / Templeogue / Firhouse / B… | other | [With regard to St Josephs burial Ground in Bohernabreena, are the Council any c…](https://meetings.southdublin.ie/Home/Agenda/2745?p=2) |
| 2026-05-12 | Rathfarnham / Templeogue / Firhouse / B… | other | [Please advise which footpaths are listed for repairs in the Knocklyon area for …](https://meetings.southdublin.ie/Home/Agenda/2745?p=2) |
| 2026-05-11 | County Council | other | [Association of Irish Regions (AIR) Annual Training Seminar 2026, 25th and 26th …](https://meetings.fingal.ie/ieListDocuments.aspx?CId=129&MId=6263#AI108233) |
| 2026-04-14 | Rathfarnham / Templeogue / Firhouse / B… | other | [To ask the manager whether there are plans to remove the split cycle and pedest…](https://meetings.southdublin.ie/Home/Agenda/2730?p=2) |
| 2026-03-10 | Rathfarnham / Templeogue / Firhouse / B… | other | [To ask for an update on works being carried out at derelict Old Tanning Factory…](https://meetings.southdublin.ie/Home/Agenda/2714?p=3) |
| 2026-02-10 | Rathfarnham / Templeogue / Firhouse / B… | part8 | [New Works: Part 8 - Proposed Social and Affordable Mixed Tenure Housing Develop…](https://meetings.southdublin.ie/Home/Agenda/2694?p=3) |
| 2025-05-13 | Rathfarnham / Templeogue / Firhouse / B… | other | [Can the Chief Executive please provide an update on the repair of the footpath …](https://meetings.southdublin.ie/Home/Agenda/2583) |
| 2025-05-13 | Rathfarnham / Templeogue / Firhouse / B… | other | [To ask the manager to provide any information available regarding the recurrent…](https://meetings.southdublin.ie/Home/Agenda/2583) |
| 2025-04-08 | Rathfarnham / Templeogue / Firhouse / B… | other | [To ask the Chief Executive if the following issues have been considered, regard…](https://meetings.southdublin.ie/Home/Agenda/2560) |
| 2025-02-10 | County Council | other | [Association of Irish Regions (AIR) Annual Seminar which takes place on 5th - 6t…](https://meetings.fingal.ie/ieListDocuments.aspx?CId=129&MId=6082#AI100267) |

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

## Infrastructure and public land

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

**Public land** — 26 relevant public land site(s) nearby: Dublin City Council (11), South Dublin County Council (15)

*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 |
|---|---|
| SCOIL TREASA FIRHOUSE | 524.1 m |
| GAELSCOIL CHNOC LIAMHNA | 557.4 m |
| Firhouse Educate Together National School | 588.9 m |
| SCOIL CARMEL | 589.6 m |
| Gaelscoil na Giúise | 695.9 m |

**41 public-transport stops** serving routes 15, 49n, 65, 65B, 77A, 77X, 82, F1, S6, S8, SD4, UM08.

*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 |
|---|---|---|---|---|
| 2026-09-17 | 5 | observation | [SD26B/0371W: application received — Conversion of existing attic space comprising of modi…](https://services.arcgis.com/NzlPQPKn5QF9v2US/ArcGIS/rest/services/IrishPlanningApplications/FeatureServer/0/query?where=PlanningAuthority = 'South Dublin County Council') | 220.8 m |
| 2026-09-17 | 5 | jr | [ACP 501053: Grant permission](https://www.pleanala.ie/en-ie/case/501053) | 343.8 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.niah | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/HyjXgkV6KGMSF3jt/arcgis/rest/services/NIAHBuildingsOpenData/FeatureServer/0) |
| constraints | constraints.radon | CC-BY-4.0 | 2026-09-11 | [link](https://gis.epa.ie/geoserver/ows?typeNames=EPA:RadonRiskMapofIreland) |
| constraints | constraints.smr | CC-BY-4.0 | 2026-09-11 | [link](https://services-eu1.arcgis.com/HyjXgkV6KGMSF3jt/arcgis/rest/services/SMROpenData/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 | 2026-09-11 | [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) |