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21 Windsor Court, Blackrock, Co. Dublin

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What's planned, stalled or derelict around it.

Busy area: 49 applications within 500 m in 12 months.

Planning around this home

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Within 500 m of this home · the last 12 months

93%extensions approvedof 15 decided
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55 of 55 planning applications within 500 m in the last year · sorted by received
DescriptionDetails
Awaiting decision3 Sept 2026D26A/0663/WEB
DLR
3 Wansdowne, Stradbrook, Blackrock, Co. DublinAlterations and extension to existing dwelling, comprising of alterations to fr…——487 m
Withdrawn28 Aug 2026D26A/0645/WEB
DLR
Wansdowne, 3 Stradbrook Road, , Blackrock, Co. DublinAlterations and extension to existing dwelling, comprising of alterations to fr…31 Aug 2026—487 m
Awaiting decision24 Aug 2026D26A/0625/WEB
DLR
25, Brook Court, Monkstown, Co. Dublin, A94N4X5Widening of existing vehicular access and associated works.——356 m
Awaiting decision24 Aug 2026D26A/0626/WEB
DLR
34, Ashton Park, Monkstown, Co. Dublin, A94E4X8The proposed development shall consist of alterations to previously approved Gra…——280 m
Awaiting decision24 Aug 2026D26A/0627/WEB
DLR
34, Ashton Park, Blackrock, Dublin, A94E4X8The proposed development shall consist of alterations to previously approved Gra…——298 m
Granted29 Jul 2026D26A/0569
DLR
11, Abbey Park, Monkstown, Co. Dublin, A94YC42Alterations to the front elevation, including the installation of a bay window a…16 Sept 2026—243 m
Appealed30 Jun 2026D26B/0382/WEB
DLR
50, Richmond Park, Monkstown, Blackrock, Co. Dublin, A94C3N8Permission is being sought for retention of extension to rear of property and of…20 Aug 2026—492 m
Withdrawn29 Jun 2026D26B/0376/WEB
DLR
50, Richmond Park, Monkstown, Blackrock, Dublin, A94 C3N8Permission is being sought for retention of extension to rear of property and o…30 Jun 2026—492 m
Granted25 Jun 2026D26A/0475/WEB
DLR
47, Ashton Park, Monkstown, Co. Dublin, A94A9R2The development will consist of a single storey rear kitchen extension, conversi…14 Aug 2026—225 m
Granted25 Jun 2026D26A/0477/WEB
DLR
3 Laurel Bank, Lanesville, Dun Laoghaire, Co. Dublin, A96 DV27Permission sought for a new vehicular entrance gateway to the front to provide 1…18 Aug 2026—352 m
Granted16 Jun 2026D26A/0450/WEB
DLR
29, Monkstown Avenue, Monkstown, Dublin, A94H599The proposed development will consist of: Modifications to the permitted develo…4 Aug 2026—314 m
Withdrawn9 Jun 2026D26A/0427
DLR
11, Abbey Park, Monkstown, Dublin, A94YC42Alterations to the front elevation, including the installation of a bay window a…12 Jun 2026—243 m
Withdrawn3 Jun 2026D26A/0407
DLR
11, Abbey Park, Monkstown, Co. Dublin, A94YC42Alterations to the front elevation, including the installation of a bay window a…5 Jun 2026—243 m
Awaiting decision22 May 2026PC/IC/01/26
DLR
National Mobility Hubs Pilot: Dún Laoghaire-Rathdown, 73 Locations Across the Council's Administrative Area, Dún Laoghaire-Rathdown73 mobility hub sites across the Council's administrative area——484 m
Granted13 May 2026D26A/0366
DLR
41 St. Fintan's Villas, Deansgrange, Blackrock, Co. Dublin, A94TW63Planning Permission sought for amendments to previous granted planning permissio…1 Jul 2026—219 m
Granted5 May 2026D26B/0270
DLR
29, Saint Fintan's Villas, Deansgrange, Blackrock, Co. Dublin, A94HN32Adding a bathroom, home office and hot press to the existing first-floor extensi…29 Jun 2026—344 m
Withdrawn1 May 2026D26A/0335
DLR
41 St. Fintan's Villas, Ballybrack, Co. Dublin, (A96V2P7)Amendments to previous granted planning permission for the construction of a sin…6 May 2026—219 m
Commenced1 May 2026D26A/0338/WEB
DLR
43, Ashton Park, Monkstown, Co. Dublin, A94F5N8Permission is sought for the demolition of first floor side structure (approx.…25 Jun 2026—235 m
Withdrawn29 Apr 2026D26B/0258
DLR
29, Saint Fintan's Villas, Deansgrange, Blackrock, Co. Dublin, A94HN32The development will consist of adding a bathroom, home office and hot press to…1 May 2026—344 m
Granted21 Apr 2026D26A/0304/WEB
DLR
8 St Fintan's Villas, Blackrock, Co. Dublin, A94PR88New front vehicular access with dropped kerb, including partial removal of the f…10 Jun 2026—402 m
Granted9 Apr 2026D26B/0213/WEB
DLR
5, Stradbrook Road, Blackrock, Dublin, A94T2R4Retention Planning Permission for single storey detached garden room/gym/office…3 Jun 2026—408 m
Granted9 Apr 2026D26B/0214/WEB
DLR
15, Deansgrange Road, Blackrock, Dublin, A94X5H0A ground floor single storey porch extension to the front of the existing house…3 Jun 2026—476 m
Withdrawn9 Apr 2026D26B/0212/WEB
DLR
15, Deansgrange Road, Blackrock, Co. Dublin, A94X5H0A ground floor single storey porch extension to the front of the existing house…9 Apr 2026—476 m
Awaiting decision7 Apr 2026D26A/0271/WEB
DLR
23 Abbey Road, Monkstown, Blackrock, Co. Dublin, A94YT261. Alteration to existing house at No.23 Abbey Road, including the demolition of…28 May 2026—445 m
Granted2 Apr 2026V/025/26
DLR
34, Ashton Park, Monkstown, DUBLIN, A94E4X81 Unit16 Apr 2026—280 m
Granted2 Apr 2026D26A/0265/WEB
DLR
34, Ashton Park, Blackrock, Dublin, A94E4X8The proposed development shall consist of: Construction of a new three storey de…27 May 2026—280 m
Granted2 Apr 2026D26A/0264/WEB
DLR
34, Ashton Park, Blackrock, Dublin, A94E4X8The proposed development shall consist of: Construction of a new two storey deta…27 May 2026—298 m
Granted2 Apr 2026V/026/26
DLR
34, Ashton Park, Monkstown, DUBLIN, A94E4X81 Unit16 Apr 2026—298 m
Withdrawn2 Apr 2026D26A/0261/WEB
DLR
23, Abbey Road, Monkstown, Co. Dublin, A94YT261. Alteration to existing house at No.23 Abbey Road, including the demolition of…7 Apr 2026—445 m
Granted2 Apr 2026D26A/0262
DLR
16, Richmond Grove, Monkstown, Co. Dublin, A94VK33Retention of detached single storey garden room and permission for rear extensio…25 May 2026—400 m
Granted1 Apr 2026D26B/0191/WEB
DLR
5 Windsor Place, Monkstown, Co. Dublin A94F8E2The development will consist of: (1) Construction of a first floor extension wi…25 May 2026—192 m
Granted12 Mar 2026V/017/26
DLR
Monkstown Farm, Dun Laoghaire, Dublin, A96EP384 Units. (in addition to the previously granted 6 units)26 Mar 2026—437 m
Granted27 Feb 2026D26A/0144/WEB
DLR
Greenogue, 32 Monkstown Avenue, Monkstown, Dublin, A94P9W0The development will consist of (i) alterations and extensions to the existing…21 Apr 2026—283 m
Granted20 Feb 2026D26B/0104/WEB
DLR
10, Deansgrange Road, Deansgrange, Dublin, A94T9C5Single storey extension to the front of the existing house, internal alteration…15 Apr 2026—457 m
Granted13 Feb 2026D26B/0088/WEB
DLR
29, Saint Fintan's Villas, Deansgrange, Dublin, A94HN32The development will consist of widening the two ground floor windows to the fro…8 Apr 2026—344 m
Withdrawn10 Feb 2026D26B/0080/WEB
DLR
50, Richmond Park, Monkstown, Dublin, A94C3N8Permission for retention permission of; extension to rear of property and out of…6 Mar 2026—492 m
Withdrawn9 Feb 2026D26B/0077/WEB
DLR
29, Saint Fintan's Villas, Deansgrange, Dublin, A94HN32The development will consist of widening the two ground floor windows to the fro…13 Feb 2026—344 m
Granted27 Jan 2026D26A/0040
DLR
6A, Rory O'Connor Park, Dun Laoghaire, Co. Dublin, A96VN32Amendments to previously granted planning permission for Granny Flat (Ref: D25A/…19 Mar 2026—363 m
Withdrawn20 Jan 2026D26A/0026
DLR
6A, Rory O'Connor Park, Dun Laoghaire, Co. Dublin, A96VN32Amendments to previously granted planning permission for Granny Flat (Ref: D25A/…22 Jan 2026—363 m
Commenced7 Jan 2026D26A/0003
DLR
23 and 24, Abbey Road, Monkstown, Blackrock, Co. Dublin, A94YT26The change of use from one dwelling house back to two semi detached houses by th…27 Feb 2026—446 m
Granted22 Dec 2025D25B/0736
DLR
18, St Fintans Villas, Deansgrange, Blackrock, Co Dublin, A94H5POThe development will consist of the demolition of existing ground floor extensio…24 Feb 2026—391 m
Granted16 Dec 2025D25B/0705/WEB
DLR
45, Richmond Avenue, Monkstown, Dublin, A94AC831. Removal of the existing 1-storey converted Garage structure and front Porch,…16 Feb 2026—483 m
Granted8 Dec 2025D25B/0683/WEB
DLR
39 St Fintan's Villas, Deansgrange, Blackrock, Co. Dublin, A94HT04The development will consist of the renovation and extension of the existing tw…9 Feb 2026—210 m
Commenced28 Nov 2025D25B/0670/WEB
DLR
5, Lanesville Mews, Lanesville, Dun Laoghaire, Co. Dublin, A96XD83-New single storey extension to the rear of the existing dwelling with associate…26 Jan 2026—380 m
Granted26 Nov 2025D25B/0664/WEB
DLR
Ravensdale, 29 Rowan Park Avenue, Blackrock, Dublin, A94NP89The construction of a first-floor extension to the side of the existing dwelling…24 Feb 2026—405 m
Commenced19 Nov 2025D25A/0881/WEB
DLR
28, Wynberg Park, Blackrock, Co. Dublin, A94Y5V0The development will consist of: the increase in width of the existing vehicula…20 Jan 2026—477 m
Commenced7 Nov 2025D25B/0627/WEB
DLR
1B, Lanesville, Monkstown, Dun Laoghaire, Dublin, A96RR82The proposed works include a ground floor window to the front elevation, servin…22 Dec 2025—176 m
Withdrawn22 Oct 2025D25B/0599
DLR
6A, Rory O'Connor Park, Dun Laoghaire, Co. Dublin, A96VN32The proposed development will comprise: a) Bathroom to 1st floor to Granny Flat…28 Nov 2025—363 m
Commenced20 Oct 2025D25B/0590/WEB
DLR
35, Richmond Park, Monkstown, Dublin, A94C6R6The development will consist of a new single storey extension at ground floor l…10 Dec 2025—470 m
Commenced14 Oct 2025D25A/0777/WEB
DLR
29, Monkstown Avenue, Monkstown, Dublin, A94H599a) Alterations to front, side and rear facades; b) New two-storey pitched roof e…5 Dec 2025—314 m
Granted7 Oct 2025D25A/0760/WEB
DLR
Monkstown Farm, Dun Laoghaire, Dublin, A96EP38We, Bright Vista Group Limited, intend to apply for planning permission for modi…21 Jan 2026—437 m
Granted6 Oct 2025D25A/0756
DLR
Chartlands, 8 Wynberg Park, Blackrock, Dublin, A94P5W9Retention permission to widen the driveway (3.195M) and the relocation of the dr…20 Nov 2025—375 m
Granted20 Sept 2025D25B/0523/WEB
DLR
109, Rockford Park, Deansgrange, Blackrock, County Dublin, A94H3K1Retention of first floor flat roof rear extension and single storey flat roof fr…10 Nov 2025—367 m
Commenced16 Sept 2025D25B/0510/WEB
DLR
1, Saint Fintan's Villas, Deansgrange, Blackrock, Dublin, A94HF951) Permission for demolition of an 11.6 sq/m portion of existing rear ground flo…10 Nov 2025—469 m
Commenced20 Aug 2025D25B/0464
DLR
71, Windsor Drive, Monkstown, Dublin, A94D1H5Alterations and extension works, chiefly comprising: A rear ground floor2 Dec 2025—134 m
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    About this home

    21 Windsor Court, Blackrock, Co. Dublin in Lansville, Dun Laoghaire-Rathdown has sold. Within 500 m, Planning Register tracks 741 planning applications: 8 awaiting a decision, 587 granted, 78 refused, 2 under appeal, 165 building started. The site is zoned R2 — existing residential.

    More about this address

    A protected structure is within 100 m, the nearest Windsor House (21 m); the site itself is not on the record. The nearest named scheme is c.0.48 ha, 156 m away.

    Local authority
    Dún Laoghaire-Rathdown County Council
    Location precision
    Rooftop
    Protected structures within 100 m
    1 · nearest Windsor House
    Named schemes within 1.0 km
    c.0.48 ha +7 more
    Schools within 1.0 km
    Rockford Manor Secondary School (post-primary school · 273 pupils, 133 m) +7 more
    Crèche inspected nearby
    WeeCare Day Nursery · inspected 16 Jun 2025 (46 m)
    Source: Residential Property Price Register (PSRA) · fetched 16 Oct 2026, 01:18
    SourceLicenceFetchedLink
    Residential Property Price Register (PSRA)© PSRA, PSI licence16 Oct 2026, 01:18open