Site report · 500 m radius · generated 13 Sept 2026, 14:51

Castledawson Avenue, Blackrock, Williamstown

Eircode —Coordinates 53.30333, -6.19054Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 3 open windows

Observations close 21 Sept 20268 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 · 476 m away
Appeal window closes 23 Sept 202610 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) · 491 m away
Judicial review window closes 30 Sept 202617 days left
Appeal withdrawn S.140(1)(a)
8 weeks from the Commission's decision (5 Aug 2026) · s.50 Planning and Development Act 2000 · 166 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

535

people

118

households

128

dwellings

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

S5 — Sustainable neighbourhood infrastructure county development plan 2022 2028 · 1 Apr 2022 – 1 Apr 2028

Objective SNI: SNI To protect, improve and encourage the provision of sustainable neighbourhood infrastructure.

What that means: Reserved for the schools, creches, community and health facilities a neighbourhood needs.

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	4	Booterstown Avenue; Seafort Parade, Rock Road, Blackrock; Sydney Avenue, Blackrock
Natural Heritage Area (incl. proposed)	1	South Dublin Bay
Radon risk area	4	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; About 1 in 5 homes in this area is likely to have high radon levels
Record of Protected Structures	110	Summerville; The Hermitage; Killoran
Special Area of Conservation	1	South Dublin Bay SAC
Recorded monument	2	Martello tower; R149448
Special Protection Area	1	South Dublin Bay and River Tolka Estuary SPA

Sources: constraints, constraints.aca, constraints.nha, constraints.radon, constraints.rps, constraints.sac, 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.sac	CC-BY-4.0	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 not on the current draft or final RZLT map.

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 108 in 5 years within 500 m

Open for observation

23, Cross Avenue, Blackrock, Co Dublin, A94TV27 (Protected Structure) observations close 21 Sept 2026 · 8 days left
The proposed works comprise of the temporary removal of 1 no. gate pier and gate
REF12326received 17 Aug 2026476 m away

Recent decisions and applications

Grant permission

Declare application invalid

Refuse permission

(undecided)

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/WEBreceived 6 Aug 2026469 m away
11 Seafort Parade, Blackrock, Dublin, A94 X8X0 (A Protected Structure) Assessment Period
No works are proposed as part of this application. This application seeks to con
REF11426received 4 Aug 2026301 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/WEBreceived 29 Jul 2026decided 31 Jul 2026469 m away
Peafield Mews, Ben Inagh Park, Blackrock, Co. Dublin, A94F7Y5 Assessment Period
-Construction of new single storey extension to the side at first floor level.
D26B/0414/WEBreceived 17 Jul 2026357 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/0517received 8 Jul 2026463 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/WEBreceived 3 Jul 2026decided 26 Aug 2026491 m away
45 Rock Road, Blackrock, Co. Dublin, A94P8H3 Grant permission & refuse permission
The development subject to planning permission shall consist of; •1no. new frees
D26A/0443/WEBreceived 12 Jun 2026decided 4 Aug 2026286 m away
National Mobility Hubs Pilot: Dún Laoghaire-Rathdown, 73 Locations Across the Council's Administrative Area, Dún Laoghaire-Rathdown Registered Application
73 mobility hub sites across the Council's administrative area
PC/IC/01/26received 22 May 2026231 m away
Blackrock Private Hospital, Blackrock Clinic, Rock Road, Blackrock, Dublin, A94E4X7 Assessment Period
Planning permission for development at this site of c.1.1 ha at “St Catherine’s”
D26A/0334/WEBreceived 1 May 2026103 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 21 in 5 years within 500 m

ACP 501665 on D25A/0939/WEB Withdrawn
received 3 Jul 2026decided 5 Aug 2026166 m away
ACP 501704 on D25A/0989/WEB Pending
received 14 Jul 2026250 m away
ACP 501674 on D26A/0302/WEB Pending
received 7 Jul 2026383 m away
ACP 501600 on D26A/0269/WEB Pending
received 24 Jun 2026476 m away
ACP 500777 on D25B/0631/WEB Refused
received 9 Feb 2026decided 19 May 2026264 m awayinspector's report
ACP 324043 on LRD25A/0637/WEB Granted with conditions
received 26 Jan 2026decided 15 May 2026206 m awayinspector's report
ACP 324038 on LRD25A/0637/WEB Invalid
received 21 Jan 2026decided 21 Jan 2026206 m away
ACP 323264 on DM25/005 Other
received 31 Jul 2025decided 14 Nov 2025241 m awayinspector's report
ACP 321650 on D24A/0837 Granted with conditions
received 13 Jan 2025decided 8 May 2025441 m awayinspector's report
ACP 320576 on D24A/0381/WEB Granted with conditions
received 16 Aug 2024decided 16 Jan 2025376 m away

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 26 in 3 years within 500 m

1 Saint Margarets, Blackrock, Dún Laoghaire-Rathdown, A94 V4H6 — Short commencement notice
17 Feb 2026CN0138442DRD23B/0101149 m away
23 Brooklawn, Blackrock, Dún Laoghaire-Rathdown — Opt out commencement notice
10 Feb 2026CN0138223DRD25A/0432378 m away
Blackrock Clinic, Dublin, Dún Laoghaire-Rathdown — Commencement notice
23 Dec 2025CN0136793DRD24A/0427/WEB225 m away
33 Mount Merrion Avenue, Blackrock, Dún Laoghaire-Rathdown — Seven day notice
24 Oct 2025SN0013244DRD24A/0199307 m away
43 Mount Merrion Avenue, Blackrock, Dún Laoghaire-Rathdown, A94 D2N4 — Opt out commencement notice
12 Sept 2025CN0133127DRD25A/0181306 m away
Cross Avenue, Blackrock, Dún Laoghaire-Rathdown, A94 YW11 — Seven day notice
11 Sept 2025SN0013017DRABP-313252-22414 m away
Cross Avenue, Booterstown, Dún Laoghaire-Rathdown — Commencement notice
11 Sept 2025CN0132991DRABP-313252-22415 m away
30 Glenvar Park, Blackrock, Dún Laoghaire-Rathdown, A94 F2X7 — Opt out commencement notice
14 Aug 2025CN0132163DRD25A/0344/WEB295 m away
79 Mount Merrion Avenue, Blackrock, Dún Laoghaire-Rathdown, A94 X2C3 — Short commencement notice
9 Jun 2025CN0129349DRD24A/0511/WEB & D25A/0006/WEB479 m away
Renesca, Cross Avenue, Booterstown, Dún Laoghaire-Rathdown — Opt out commencement notice
23 May 2025CN0128958DRD24A/0381/WEB373 m away

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 12 Sept 2026, 23:34

Source	Licence	Fetched	Link
bcms	CC-BY-4.0	12 Sept 2026, 23:34	open

Sales 26 in 36 months within 500 m

€767,500

median price

€8,281/m²

median €/m²

sales

rooftop-geocoded

with listing detail

new builds

€431,000 – €2,760,000, 2 Feb 2024 to 1 Sept 2026.

Address	Sold	Price	Asking	Type	Beds	m²	€/m²	BER	Dist.
65 ROCK ROAD, BLACKROCK, CO. DUBLIN	1 Sept 2026	€1,430,000	€1,300,000	Semi-D	4	198.9	7,190	A2	343 m
DUNBODEN, CROSS AVE, BLACKROCK	26 Jun 2026	€2,325,000	€2,195,000	Detached	5	253	9,190	C2	319 m
25 CASTLEDAWSON, SION HILL, BLACKROCK	30 Sept 2025	€549,000	€475,000	Apartment	2	61	9,000	C2	316 m
KALI HOUSE, MOUNT MERRION AVE, BLACKROCK	29 Sept 2025	€1,000,000	€1,100,000	Detached	3	130	7,692	C1	310 m
SPERRIN, CROSS AVENUE, BLACKROCK	21 Aug 2025	€1,950,000	€1,750,000	Semi-D	4	183	10,656	E1	284 m
BELLEVUE, CROSS AVE, BLACKROCK	29 Jul 2025	€2,380,000	€2,150,000	Terrace	4	321	7,414	—	297 m
APT 17 WESTFIELD, SION HILL, BLACKROCK DUBLIN	29 Jul 2025	€476,000	€425,000	Apartment	2	53	8,981	E1	322 m
50 CASTLEDAWSON, ROCK RD, SION HILL	17 Jul 2025	€523,000	€475,000	Apartment	2	61	8,574	B3	247 m
85 CASTLEDAWSON, ROCK RD, SION HILL	15 Jul 2025	€530,000	€529,950	Apartment	2	59	8,983	B3	263 m
58 WOODVIEW, MOUNT MERRION AVENUE, CO DUBLIN	1 Jul 2025	€760,000	€625,000	Apartment	3	93	8,172	C1	446 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

Cruise Passenger Realignment Project, Dun Laoghaire Harbour 38 days left
closes 21 Oct 2026Dún Laoghaire-Rathdown County Councillea-wide
Environment: Green Dog Walkers Pledge 109 days left
closes 31 Dec 2026Dún Laoghaire-Rathdown County Councilcounty-wide

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

National flag in Blackrock Park
Dún Laoghaire CHEPP Area Committee Meeting7 Sept 202615Dún Laoghaire-Rathdown County Council
Taking in Charge at Proby Place, Blackrock, Co. Dublin
Monthly County Council Meeting11 May 20266Dún Laoghaire-Rathdown County Council
Question in the name of Councillor Clodagh Ní Mhuirí
North Central Area Committee16 Feb 2026Q.46Dublin City Council
Report No. 199/2024 of the A/Assistant Chief Executive (M. Igoe)- With reference to the proposed disposal of the Council's Fee Simple interest at 41 Newtown Avenue, Coolock Industrial Estate, Dublin 17 to E TO INFINITY- For Blacklion Real Estate Fund.
Monthly Council Meeting7 Oct 202416(c)Dublin City Council

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. 12 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

Blackrock College
postprimary1041 pupilsCATHOLIC38 m
Dominican College
postprimary521 pupilsCATHOLIC201 m
BOOTERSTOWN N S
primary85 pupilsChurch Of Ireland312 m
Willow Park School
postprimary206 pupilsCATHOLIC441 m
BENINCASA SPECIAL SCHOOL
primary35 pupilsCatholic446 m
OUR LADY OF MERCY CONVENT SCHOOL
primary247 pupilsCatholic693 m
St Andrews College
postprimary1011 pupilsPRESBYTERIAN780 m
BOOTERSTOWN BOYS
primary188 pupilsCatholic841 m

Stops 31 · routes 114, 4, 7, 702, 7A, 7E, 7n, 84n, DART, L26, S6, rail

Blackrock Clinic
4, 7, 7A, 7n, 84n273 m
Blackrock Clinic
4, 7, 7A, 7E276 m
Cross Avenue
S6309 m
Cross Avenue
S6321 m
Glenvar Park
S6364 m
Sydney Avenue
S6370 m
Blackrock College
4, 7, 7A, 7E396 m
Blackrock College
4, 7, 7A, 7n, 84n399 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.sac	CC-BY-4.0	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	12 Sept 2026, 23:34
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 13 Sept 2026, 14:51 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.

Something wrong with this page?