Site report · 500 m radius · generated 12 Sept 2026, 22:20
Willow Mount Eircode — Coordinates 53.30501, -6.19695 Local authority Dun Laoghaire-Rathdown County Council
Deadlines Location Zoning Designations RZLT Planning Appeals Commencements Sales Consultations Council Capacity & public land Amenities Sources What closes soonest 3 open windows Observations close 21 Sept 2026 9 days left
REF12326 — application received — The proposed works comprise of the temporary removal of 1 no. gate pier and gate
5 weeks from receipt (17 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 133 m away
Appeal window closes 21 Sept 2026 9 days left
REF11126 — S5 DEC EXEMPT — Full electrical rewire of property.
4 weeks from the council's decision (24 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 78 m away
Appeal window closes 23 Sept 2026 11 days left
D26A/0505/WEB — GRANT PERMISSION — Development consisting of ancillary works to park lodge (a protected st
4 weeks from the council's decision (26 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 92 m away
Sources: acp, consult, moderngov, npad, rzlt · fetched 12 Sept 2026, 00:05 Source Licence Fetched Link acp CC-BY-4.0 12 Sept 2026, 00:05 open consult public 12 Sept 2026, 02:04 open moderngov public 12 Sept 2026, 21:48 open npad CC-BY-4.0 12 Sept 2026, 20:38 open rzlt CC-BY-4.0 12 Sept 2026, 00:23 open
Where this is Townland Williamstown Settlement Dublin city and suburbs Electoral division Blackrock-Williamstown Local electoral area Blackrock Local authority Dun Laoghaire-Rathdown County Council Census 2022, small area 267026002 68.6% owner-occupied, 16.9% privately rented, 0% social. Vacancy 6.2%.
Sources: places, parcels · fetched 11 Sept 2026, 21:28 Source Licence Fetched Link places CC-BY-4.0 11 Sept 2026, 21:28 open parcels CC-BY-4.0 11 Sept 2026, 19:06 open
Zoning evaluated against the point R2 — Existing residential county development plan 2022 2028 · 1 Apr 2022 – 1 Apr 2028 Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities
What that means: An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Source: zoning · fetched 12 Sept 2026, 02:04 Source Licence Fetched Link zoning CC-BY-4.0 12 Sept 2026, 02:04 open
Designations and constraints within 500 m No OPW CFRAM/NIFM flood extent within 500 m.
Designation Count Examples Architectural Conservation Area 2 Booterstown Avenue; Pembrooke Cottages, Booterstown Avenue Natural Heritage Area (incl. proposed) 1 Booterstown Marsh Radon risk area 4 About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 20 homes in this area is likely to have high radon levels Record of Protected Structures 59 Saint Brendan's (Holy Rosary Convent); Summerville; The Hermitage Recorded monument 2 Castle - tower house; R149448 Special Protection Area 1 South Dublin Bay and River Tolka Estuary SPA
Sources: constraints, constraints.aca, constraints.nha, constraints.radon, constraints.rps, constraints.smr, constraints.spa · fetched 11 Sept 2026, 19:11 Source Licence Fetched Link constraints mixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false) 11 Sept 2026, 19:11 open constraints.aca CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) 11 Sept 2026, 19:11 open constraints.nha CC-BY-4.0 11 Sept 2026, 19:11 open constraints.radon CC-BY-4.0 11 Sept 2026, 19:11 open constraints.rps CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) 11 Sept 2026, 19:11 open constraints.smr CC-BY-4.0 11 Sept 2026, 19:11 open constraints.spa CC-BY-4.0 11 Sept 2026, 19:11 open
Residential Zoned Land Tax This site is on an RZLT map — the draft map 2027 and the final map 2026 (6.35 ha). The owner is liable for an annual 3% tax on market value while it stays there. Submissions on the draft map closed 1 Apr 2026.
Source: rzlt · fetched 12 Sept 2026, 00:23 Source Licence Fetched Link rzlt CC-BY-4.0 12 Sept 2026, 00:23 open
Planning applications 94 in 5 years within 500 m Open for observation Recent decisions and applications 10
Declare application invalid
5
Grant permission for retention
54 Booterstown Avenue, Booterstown, Blackrock, Co. Dublin, A94A2F1 - A Protected Structure Assessment Period The proposed development consists of a single-storey garden room extension at gr
D26A/0591/WEB received 6 Aug 2026 27 m away
73, Booterstown Avenue, Booterstown, Co. Dublin, A94P7F3 (A Protected Structure) S5 dec exempt Full electrical rewire of property.
REF11126 received 30 Jul 2026 decided 24 Aug 2026 78 m away
54 Booterstown Avenue, Blackrock, A94 C6D0 (A Protected Structure) Declare application invalid A single-storey garden room extension at ground floor level to the rear of No. 5
D26A/0572/WEB received 29 Jul 2026 decided 31 Jul 2026 27 m away
94, Hampton Park, Saint Helen's Wood, Booterstown, Co. Dublin, A94Y220 Assessment Period 2 No. rooflights at attic level, 1 No. to the side and 1 No. to the rear
D26B/0412 received 17 Jul 2026 480 m away
Carroll & Kinsella, Rock Road, Blackrock, Co. Dublin, A94EK22 Assessment Period Existing transparent LED display screen, to front of existing car showroom, insi
D26A/0517 received 8 Jul 2026 385 m away
36, Booterstown Avenue, Booterstown, Dublin, A94N1AC (A Protected Structure) Grant permission Development consisting of ancillary works to park lodge (a protected st
D26A/0505/WEB received 3 Jul 2026 decided 26 Aug 2026 92 m away
Renesca, Cross Avenue, Blackrock, Co. Dublin, A94P6Y7 Grant permission Planning Permission for the construction of a single-storey extension (c. 40 sq.
D26A/0331/WEB received 1 May 2026 decided 24 Jun 2026 254 m away
Lands adjacent to 23 Cross Avenue, DUBLIN, A94TV27 Grant certificate of exemption 2
V/030/26 received 13 Apr 2026 decided 30 Apr 2026 133 m away
Lands Adjacent to 23 Cross Avenue, Blackrock, Co. Dublin A94 TV27 (A Protected Structure) Refuse permission (i) construction of 2 no. three-storey, four-bedroom detached dwellings to the
D26A/0269/WEB received 7 Apr 2026 decided 28 May 2026 133 m away
`description` is truncated at source (80 chars for DLR, 70 for Fingal) and `applicant` is null nationally — NPAD publishes neither in full.
Source: npad · fetched 12 Sept 2026, 20:38 Source Licence Fetched Link npad CC-BY-4.0 12 Sept 2026, 20:38 open
Appeals 20 in 5 years within 500 m Source: acp · fetched 12 Sept 2026, 00:05 Source Licence Fetched Link acp CC-BY-4.0 12 Sept 2026, 00:05 open
Commencement notices 29 in 3 years within 500 m One notice can cover many buildings — count notices, never building rows, or a single multi-unit scheme reads as a trend (T11).
Source: bcms · fetched 11 Sept 2026, 23:29 Source Licence Fetched Link bcms CC-BY-4.0 11 Sept 2026, 23:29 open
Sales 56 in 36 months within 500 m €320,000 – €2,400,000, 5 Oct 2023 to 26 Jun 2026.
Address Sold Price Asking Type Beds m² €/m² BER Dist. DUNBODEN, CROSS AVE, BLACKROCK 26 Jun 2026 €2,325,000 €2,195,000 Detached 5 253 9,190 C2 336 m 11 GROTTO PLACE, BOOTERSTOWN, DUBLIN 30 Apr 2026 €500,000 €495,000 House 1 58 8,621 F 446 m 23 CROSS AVENUE, BLACKROCK, CO DUBLIN 17 Dec 2025 €2,375,000 €2,500,000 Detached 5 500 4,750 — 168 m 22 MERRION WOODS, STILLORGAN RD, ST HELENS 5 Dec 2025 €831,251 €745,000 Apartment 3 99 8,396 C1 426 m 49 CASTLECOURT, BOOTERSTOWN, DUBLIN 3 Dec 2025 €1,360,000 €1,350,000 Detached 4 170 8,000 D1 388 m 62 MCCABE VILLAS, BOOTERSTOWN, CO DUBLIN 24 Nov 2025 €610,000 €595,000 House 2 73 8,356 E2 365 m 48 ROSEMOUNT COURT, BOOTERSTOWN, BLACKROCK 17 Oct 2025 €555,000 €545,000 Semi-D 2 71 7,817 C3 311 m 107 HAMPTON PARK, ST HELENS WOOD, BOOTERSTOWN 1 Oct 2025 €2,400,000 €2,295,000 Detached 5 300.1 7,997 B3 461 m 102 MERRION GROVE, STILLORGAN RD, MOUNT MERRION 26 Sept 2025 €399,000 €375,000 Apartment 1 55 7,255 E2 495 m SPERRIN, CROSS AVENUE, BLACKROCK 21 Aug 2025 €1,950,000 €1,750,000 Semi-D 4 183 10,656 E1 383 m
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, ppr · fetched 11 Sept 2026, 20:14 Source Licence Fetched Link 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. 11 Sept 2026, 20:14 open 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.' 12 Sept 2026, 20:31 open
Consultations 2 matched by place Source: consult · fetched 12 Sept 2026, 02:04 Source Licence Fetched Link consult public 12 Sept 2026, 02:04 open
Council items 4 in 24 months Source: moderngov · fetched 12 Sept 2026, 21:48 Source Licence Fetched Link moderngov public 12 Sept 2026, 21:48 open
Capacity and public land No publishable utility-capacity record within the radius. 13 records from Esb substation withheld: source licence forbids redistribution; see the operator's own register.
No site on the LDA register of relevant public lands within 500 m.
Sources: esbn, lda_lands · fetched 11 Sept 2026, 16:42 Source Licence Fetched Link esbn all-rights-reserved (esbnetworks.ie disclaimer: personal/non-commercial, no modification or republication without written ESB permission) — permission NOT sought · not redistributable — shown as a flag only 11 Sept 2026, 16:42 open lda_lands CC-BY-4.0 11 Sept 2026, 16:43 open
Schools and public transport within 1.0 km Schools Willow Park School postprimary 206 pupils CATHOLIC 157 m
OUR LADY OF MERCY CONVENT SCHOOL primary 247 pupils Catholic 232 m
St Andrews College postprimary 1011 pupils PRESBYTERIAN 317 m
BOOTERSTOWN BOYS primary 188 pupils Catholic 460 m
Blackrock College postprimary 1041 pupils CATHOLIC 466 m
Coláiste Íosagáin postprimary 488 pupils CATHOLIC 556 m
Coláiste Eoin postprimary 517 pupils CATHOLIC 595 m
Dominican College postprimary 521 pupils CATHOLIC 616 m
Stops 32 · routes 116, 118, 181, 4, 46n, 47, 7, 700, 702, 7A, 7B, 7D, 7E, 7n, 84n, DART, E1, E2, S6 Booterstown Station 4, 7, 702, 7A, 7E 348 m
Booterstown Station 4, 7, 702, 7A, 7n, 84n 385 m
Blackrock College 4, 7, 7A, 7E 444 m
Blackrock College 4, 7, 7A, 7n, 84n 466 m
Grotto Avenue 4, 7, 7A, 7E 472 m
Blackrock Clinic 4, 7, 7A, 7E 536 m
Booterstown DART 563 m
Blackrock Clinic 4, 7, 7A, 7n, 84n 655 m
Sources: gtfs, schools · fetched 11 Sept 2026, 19:16 Source Licence Fetched Link gtfs CC-BY-4.0 11 Sept 2026, 19:16 open schools CC-BY-4.0 11 Sept 2026, 16:41 open
Sources used in this report Section Source Licence Fetched Location places CC-BY-4.0 11 Sept 2026, 21:28 Parcel parcels CC-BY-4.0 11 Sept 2026, 19:06 Zoning zoning CC-BY-4.0 12 Sept 2026, 02:04 Constraints constraints mixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false) 11 Sept 2026, 19:11 Constraints constraints.aca CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) 11 Sept 2026, 19:11 Constraints constraints.nha CC-BY-4.0 11 Sept 2026, 19:11 Constraints constraints.radon CC-BY-4.0 11 Sept 2026, 19:11 Constraints constraints.rps CC-BY-4.0 (Fingal); public/attribution, unconfirmed (DLR) 11 Sept 2026, 19:11 Constraints constraints.smr CC-BY-4.0 11 Sept 2026, 19:11 Constraints constraints.spa CC-BY-4.0 11 Sept 2026, 19:11 Rzlt rzlt CC-BY-4.0 12 Sept 2026, 00:23 Planning npad CC-BY-4.0 12 Sept 2026, 20:38 Appeals acp CC-BY-4.0 12 Sept 2026, 00:05 Commencements bcms CC-BY-4.0 11 Sept 2026, 23:29 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. 11 Sept 2026, 20:14 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.' 12 Sept 2026, 20:31 Consultations consult public 12 Sept 2026, 02:04 Council items moderngov public 12 Sept 2026, 21:48 Capacity esbn all-rights-reserved (esbnetworks.ie disclaimer: personal/non-commercial, no modification or republication without written ESB permission) — permission NOT sought · not redistributable, flag only 11 Sept 2026, 16:42 Public land lda_lands CC-BY-4.0 11 Sept 2026, 16:43 Projects social_housing CC-BY-SA-4.0 11 Sept 2026, 20:13 Amenities gtfs CC-BY-4.0 11 Sept 2026, 19:16 Amenities schools CC-BY-4.0 11 Sept 2026, 16:41 Deadlines acp CC-BY-4.0 12 Sept 2026, 00:05 Deadlines consult public 12 Sept 2026, 02:04 Deadlines moderngov public 12 Sept 2026, 21:48 Deadlines npad CC-BY-4.0 12 Sept 2026, 20:38 Deadlines rzlt CC-BY-4.0 12 Sept 2026, 00:23
Generated 12 Sept 2026, 22:20 from the Planning Register store. Nothing on this page was fetched live: every figure was already in the store with the fetch time shown. Deadlines are derived from published receipt and decision dates under the Planning and Development Act 2000; confirm with the planning authority before relying on them.
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