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Sold March 2026

21 Orpen Hill, Blackrock, Co. Dublin

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Quiet street: 6 applications open for comments.

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Planning around this home

Distance
Time

Within 500 m of this home · the last 12 months

100%extensions approvedof 7 decided
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33 of 33 planning applications within 500 m in the last year · sorted by received
DescriptionDetails
Open12 Oct 2026D26A/0763/WEB
DLR
Lands at and between,, Carrickmines 220kV Substation, Ballyogan Road, Dublin 18, D18 X0D0 and,, Blackrock Park, Blackrock Park, Rock Road, Blackrock, Dublin.A94HWF6The development will consist of the provision of: a c. 7.03km underground cable…—26 days left
16 Nov
200 m
Open8 Oct 2026D26B/0534/WEB
DLR
4 Obelisk Grove, St. Augustine's Park, Blackrock, Co. Dublin, A94P8A0The development will consist of: an attic conversion which will include the alt…—22 days left
12 Nov
188 m
Open7 Oct 2026D26B/0531/WEB
DLR
18 Obelisk Grove, Saint Augustine's Park, Blackrock, Co. Dublin, A94Y7F2The development will consist of the construction of a dormer window in the main…—21 days left
11 Nov
242 m
Open7 Oct 2026D26B/0532/WEB
DLR
41, Stillorgan Park, Blackrock, Co. Dublin, A94P267Removal of existing garden shed measuring 6m x 3m x 2.4m in dimensions and repla…—21 days left
11 Nov
363 m
Open30 Sept 2026REF15426
DLR
18 Orpen Close, Stillorgan Grove, Blackrock, Co. Dublin, A94P5W8Conversion of existing attic space comprising of modification of existing roof s…—14 days left
4 Nov
156 m
Withdrawn30 Sept 2026D26B/0523/WEB
DLR
41, Stillorgan Park, Stillorgan, Dublin, A94P267Removal of existing garden shed measuring 6m x 3m x 2.4m in dimensions and repla…2 Oct 2026—363 m
Open24 Sept 2026D26A/0717/WEB
DLR
Corner of Hawthorn Manor and Newtown Park, Blackrock, Co DublinThe development consists of alterations to application D25A/0612/WEB, which pre…—8 days left
29 Oct
498 m
Awaiting decision2 Sept 2026D26A/0657/WEB
DLR
24 Ardagh Grove, Blackrock, Co. Dublin, A94XY46The proposed development will consist of the following: A) The construction of…——417 m
Granted31 Jul 2026D26B/0441/WEB
DLR
36, Willow Lodge, Stillorgan Grove, Stillorgan, Dublin, A94VP97Development will consist of the installation of a new external door to the side…21 Sept 2026—241 m
Granted14 Jul 2026D26B/0402/WEB
DLR
Woodlawn, 47 Carysfort Downs, Blackrock, Co. Dublin, A94F983(A) Demolition of existing c.46sqm single-storey rear extension; (B) Constructio…2 Sept 2026—210 m
Granted10 Jul 2026D26B/0395/WEB
DLR
45, Ardagh Park, Blackrock, Dublin, A94FA44Alterations to front porch, and single storey front extension, new dormer window…2 Sept 2026—271 m
Granted3 Jun 2026D26A/0408/WEB
DLR
10, Carysfort Downs, Stillorgan, Co Dublin, A94X544Retention permission for the demolition of the existing two storey pitched-roof…21 Sept 2026—232 m
Withdrawn27 May 2026D26A/0392/WEB
DLR
10, Carysfort Downs, Blackrock, Co Dublin, A94X544Reention permission for the demolition of the existing two storey pitched-roof d…29 May 2026—232 m
Granted29 Apr 2026D26B/0261/WEB
DLR
21, Coppinger Walk, Stillorgan, Co. Dublin, A94V120For the construction of a single storey extension to the side and rear of the ex…18 Jun 2026—250 m
Refused19 Mar 2026REF3626
DLR
Athgarvan, 41 Stillorgan Park, Blackrock, Dublin, A94 P267Replace existing timber 6m x 3m shed with pitched roof 2.4m in state of rot/dege…9 Apr 2026—363 m
Commenced3 Feb 2026D26A/0058/WEB
DLR
34, Carysfort Woods, Blackrock, Co. Dublin, A94X276The development will consist of: 1) New ground floor single storey extensions to…25 Mar 2026—121 m
Granted13 Jan 2026D26B/0013/WEB
DLR
26, Stillorgan Grove, Stillorgan, Dublin, A94YW89A c. 15.1 sq.m. single storey extension to the front of the existing dwelling a…27 Feb 2026—324 m
Granted2 Jan 2026D26B/0001/WEB
DLR
23, Ardagh Park, Blackrock, Co. Dublin, A94FH96a) removal of existing chimney and detached boilerhouse to rear of dwelling, an…30 Apr 2026—319 m
Granted23 Dec 2025D25B/0738/WEB
DLR
2, Ardagh Crescent, Blackrock, Dublin, A94W8C1Full planning permission for the following to the existing single storey fully…24 Feb 2026—499 m
Commenced18 Dec 2025D25A/0977/WEB
DLR
53, Stillorgan Park, Stillorgan, Co. Dublin, A94E170The development will consist of - demolishing the rear shed; demolishing the ch…19 Feb 2026—404 m
Commenced17 Dec 2025D25A/0976/WEB
DLR
8, Stillorgan Grove, Stillorgan, Dublin, A94X450Single storey rear extension with rooflights, increase in pitch of existing side…10 Mar 2026—448 m
Commenced15 Dec 2025D25B/0702/WEB
DLR
51, Stillorgan Park, Stillorgan, Co. Dublin, A94DE08Permission is sought for the demolition of ground floor rear structures (totalli…12 Feb 2026—363 m
Appeal split decision1 Dec 2025D25A/0925
DLR
Site to the side and rear of Saint Helier's, Stillorgan Park, Blackrock, Co. Dublin, A94A2K8A new three storey, flat roof, detached house with roof terrace to the side gard…3 Feb 2026—455 m
Granted1 Dec 2025V/092/25
DLR
Site to the side and rear of Saint Helier's, Stillorgan Park, Blackrock, Co. Dublin, A94A2K82 Units15 Dec 2025—455 m
Withdrawn26 Nov 2025D25A/0903/WEB
DLR
34, Carysfort Woods, Blackrock, Co. Dublin, A94X2761. A new first floor extension to side of house over existing garage, 2. exten…29 Jan 2026—121 m
Commenced13 Nov 2025D25B/0641/WEB
DLR
10, Carysfort Downs, Blackrock, Dublin, A94X544The development will consist of the demolition of two no single storey conserva…14 Jan 2026—232 m
Commenced28 Oct 2025D25B/0612
DLR
10, Stillorgan Grove, Stillorgan, Co. Dublin, A94YD81Planning Permission is sought for alterations to existing dwelling including ext…22 Dec 2025—434 m
Withdrawn22 Oct 2025D25B/0596
DLR
10, Stillorgan Grove, Stillorgan, Co. Dublin, A94YD81Planning Permission is sought for (1) Alterations to existing dwelling including…24 Oct 2025—434 m
Granted13 Oct 2025D25B/0578/WEB
DLR
Copperbeech, 8 Carysfort Grove, Blackrock, Dublin, A94HR13Attic conversion for storage with dormer window and rooflight to the front, two…2 Dec 2025—237 m
Granted (cond.)7 Oct 2025D25B/0568/WEB
DLR
2, Ardagh Crescent, Newtownpark Avenue, Blackrock, Co. Dublin, A94W8C1Intend to apply for full planning permission for the following to the existing…26 Nov 2025—499 m
Commenced9 Sept 2025D20B/0066/E
DLR
31 Ardagh Park, Blackrock, Co. Dublin, A94TN35Permission for partial conversion of garage into habitable24 Oct 2025—299 m
Commenced9 Sept 2025D25B/0494/WEB
DLR
10, Carysfort Woods, Blackrock, Co. Dublin, A94XR24The proposed development for permission will consist of: 1) Construction of a fi…30 Oct 2025—285 m
Appeal granted9 Sept 2025D25A/0696/WEB
DLR
10, Carysfort Woods, Blackrock, Co. Dublin, A94XR24• Widening of the front existing vehicular entrance to 6.5m and associated alter…31 Oct 2025—285 m
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    About this home

    21 Orpen Hill, Blackrock, Co. Dublin in Stillorgan Grove, Dun Laoghaire-Rathdown sold on 23 Mar 2026 according to the Property Price Register. Within 500 m, Planning Register tracks 487 planning applications: 6 open for comments, 2 awaiting a decision, 405 granted, 50 refused, 105 building started. The soonest observation deadline is 29 Oct 2026 on DLR D26A/0717/WEB (Corner of Hawthorn Manor and Newtown Park, Blackrock, Co Dublin).

    More about this address

    The site is zoned R2 — existing residential. The nearest named scheme is Former Blakes and Esmond Motors Sites, 365 homes (365 not started), 554 m away.

    Sold
    23 Mar 2026
    Local authority
    Dún Laoghaire-Rathdown County Council
    Location precision
    Rooftop
    Named schemes within 1.0 km
    Former Blakes and Esmond Motors Sites · 365 homes +7 more
    Schools within 1.0 km
    ST AUGUSTINES SCHOOL (special school · 157 pupils, 353 m) +4 more
    Crèche inspected nearby
    Beechwood Childcare · inspected 31 Mar 2026 (637 m)
    Source: Residential Property Price Register (PSRA) · fetched 21 Oct 2026, 01:20
    SourceLicenceFetchedLink
    Residential Property Price Register (PSRA)© PSRA, PSI licence21 Oct 2026, 01:20open