Site report · 1000 m radius · generated 14 Sept 2026, 16:13

Foster's Avenue, Mount Merrion

Eircode —Coordinates 53.30148, -6.21393Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 10 open windows

Appeal window closes 14 Sept 2026closes today
D26A/0480/WEB — GRANT PERMISSION — Demolition of the existing garage; construction of a single storey extension to
4 weeks from the council's decision (17 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 408 m away
Observations close 15 Sept 20261 day left
D26A/0599/WEB — application received — The development consists of a canopy erected over service bays along with all a
5 weeks from receipt (11 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 746 m away
Appeal window closes 15 Sept 20261 day left
D26A/0484/WEB — GRANT PERMISSION — Widening of existing Vehicular access with dished kerbs and alterations to previ
4 weeks from the council's decision (18 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 976 m away
Observations close 16 Sept 20262 days left
REF11926 — application received — A) The addition of 3 new windows to the rear at first floor level. B) Theexistin
5 weeks from receipt (12 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 704 m away
Observations close 16 Sept 20262 days left
D26B/0450/WEB — application received — Conversion of existing attic space comprising of modification of existing roof
5 weeks from receipt (12 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 860 m away
Appeal window closes 17 Sept 20263 days left
D26A/0488/WEB — GRANT PERMISSION — The proposed amendment consists of the omission of the previously permitted det
4 weeks from the council's decision (20 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 577 m away
Appeal window closes 21 Sept 20267 days left
D26A/0493/WEB — GRANT PERMISSION — The development will include the demolition of - the existing end of terrace par
4 weeks from the council's decision (24 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 588 m away
Observations close 22 Sept 20268 days left
D26A/0618/WEB — application received — The development consists of a canopy erected over service bays along with all a
5 weeks from receipt (18 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 746 m away
Judicial review window closes 24 Sept 202610 days left
Grant permission with conditions
8 weeks from the Commission's decision (30 Jul 2026) · s.50 Planning and Development Act 2000 · 174 m away
Observations close 25 Sept 202611 days left
D26B/0465/WEB — application received — The proposed development will consist of alterations to the existing dwelling h
5 weeks from receipt (21 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 952 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	13 Sept 2026, 21:50	open
npad	CC-BY-4.0	13 Sept 2026, 20:39	open
rzlt	CC-BY-4.0	12 Sept 2026, 00:23	open

Where this is

Townland: Mount Merrion or Callary
Settlement: Dublin city and suburbs
Electoral division: Stillorgan-Mount Merrion
Local electoral area: Stillorgan
Local authority: Dun Laoghaire-Rathdown County Council
Parcel: Tailte Éireann 1740891 (freehold), 2.88 ha

Census 2022, small area 267128008

385

people

143

households

164

dwellings

83.9% owner-occupied, 13.3% privately rented, 0.7% social. Vacancy 11.6%.

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

No zoning objective covers this site in the current plan (or the plan is not loaded for this county).

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 1000 m

No OPW CFRAM/NIFM flood extent within 1000 m.

Designation	Count	Examples
Architectural Conservation Area	1	Castle Cottages, Roebuck Road, Clonskeagh
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	31	Saint Thomas' Church; Little Sisters of the Poor / Holy Family Residence (formerly Hermitage); Ardmore House
Recorded monument	5	Castle - unclassified; Designed landscape - tree-ring; House - 18th/19th century

Sources: constraints, constraints.aca, constraints.radon, constraints.rps, constraints.smr · 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.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

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 388 in 5 years within 1.0 km

Open for observation

Applegreen, Stillorgan Road, Blackrock, Co. Dublin, A94AN81 observations close 15 Sept 2026 · 1 day left
The development consists of a canopy erected over service bays along with all a
D26A/0599/WEBreceived 11 Aug 2026decided 12 Aug 2026746 m away
37 Fosterbrook, Booterstown, Blackrock, Co. Dublin observations close 16 Sept 2026 · 2 days left
Conversion of existing attic space comprising of modification of existing roof
D26B/0450/WEBreceived 12 Aug 2026860 m away
7, Ardilea Wood, Ardilea, Dublin 14, D14AE04 observations close 16 Sept 2026 · 2 days left
A) The addition of 3 new windows to the rear at first floor level. B) Theexistin
REF11926received 12 Aug 2026704 m away
Applegreen, Stillorgan Road, Blackrock, Dublin, A94AN81 observations close 22 Sept 2026 · 8 days left
The development consists of a canopy erected over service bays along with all a
D26A/0618/WEBreceived 18 Aug 2026746 m away
13 Woodbine Road, Booterstown, Co Dublin, A94XN36 observations close 25 Sept 2026 · 11 days left
The proposed development will consist of alterations to the existing dwelling h
D26B/0465/WEBreceived 21 Aug 2026952 m away

Recent decisions and applications

251

Grant permission

Refuse permission

Declare application invalid

Grant permission for retention

59, Glenomena Park, Booterstown, Co. Dublin, A94W722 Assessment Period
Demolition of existing garage at the side, construction of a two storey, pitche
D26B/0424/WEBreceived 24 Jul 2026675 m away
13 Woodbine Road, Booterstown, Blackrock, Co. Dublin, A94XN36 Declare application invalid
The proposed development will consist of alterations to the permitted developme
D26B/0415/WEBreceived 17 Jul 2026decided 22 Jul 2026952 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/0412received 17 Jul 2026731 m away
4 The Rise, Mount Merrion, Blackrock, Dublin, A94KV00 Assessment Period
Permission for subdivision of the existing site of (0.088 ha) known as No.4 The
D26A/0537/WEBreceived 15 Jul 2026417 m away
13 Woodbine Road, Booterstown, Blackrock, Co. Dublin, A94XN36 Declare application invalid
The proposed development will consist of alterations to the permitted developme
D26B/0404/WEBreceived 15 Jul 2026decided 17 Jul 2026952 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 13 Sept 2026, 20:39

Source	Licence	Fetched	Link
npad	CC-BY-4.0	13 Sept 2026, 20:39	open

Appeals 42 in 5 years within 1.0 km

ACP 501261 on D26B/0069/WEB Granted with conditions
received 27 Apr 2026decided 30 Jul 2026174 m awayinspector's report
ACP 500642 on D25B/0626/WEB Granted with conditions
received 13 Jan 2026decided 14 Jul 2026233 m awayinspector's report
ACP 501139 on D26A/0035/WEB Granted
received 8 Apr 2026decided 6 Jul 2026224 m awayinspector's report
ACP 500656 on D25A/0807/WEB Refused
received 16 Jan 2026decided 15 May 2026408 m awayinspector's report
ACP 500441 on D25A/0563/WEB Refused
received 9 Dec 2025decided 8 Apr 2026994 m awayinspector's report
ACP 500281 on D25A/0674/WEB Refused
received 14 Nov 2025decided 25 Mar 2026462 m awayinspector's report
ACP 500480 on D25A/0757/WEB Refused
received 16 Dec 2025decided 20 Mar 2026976 m awayinspector's report
ACP 500134 on D25A/0545/WEB Granted with conditions
received 23 Oct 2025decided 6 Mar 2026788 m awayinspector's report
ACP 500280 on D25B/0485/WEB Granted with conditions
received 13 Nov 2025decided 4 Mar 2026968 m awayinspector's report
ACP 323264 on DM25/005 Other
received 31 Jul 2025decided 14 Nov 2025837 m awayinspector's report

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 131 in 3 years within 1.0 km

11 Deerpark Road, Blackrock, Dublin, A94 F2X2 — Opt out commencement notice
28 Sept 2026CN0147637DRD21A/0609658 m away
39 Wilson Road, Blackrock, Dublin, A94 P3Y9 — Opt out commencement notice
21 Sept 2026CN0147539DRD25B/0046/WEB507 m away
11 Mather Road North, Blackrock, Dublin, A94 CF62 — Opt out commencement notice
7 Sept 2026CN0147022DRD26B/0293/WEB235 m away
9 Princeton, Dublin 14, Dublin, D14 KC67 — Opt out commencement notice
31 Aug 2026CN0146667DRD26B/0232/WEB960 m away
5 Owenstown Park, Blackrock, Dublin, A94 XE10 — Opt out commencement notice
31 Aug 2026CN0146708DRD25A/0323/WEB285 m away
12 The Close, Blackrock, Dublin, A94 DH57 — Short commencement notice
14 Aug 2026CN0145751DRD26B/0172/WEB329 m away
40 Wilson Road, Blackrock, Dublin, A94 H2Y9 — Opt out commencement notice
4 Aug 2026CN0145284DRD25B/0472458 m away
66 The Rise, Blackrock, Dublin, A94 X9F6 — Opt out commencement notice
27 Jul 2026CN0145190DRD25B/0292690 m away
28 The Palms, Dublin 14, Dublin, D14 FX31 — Opt out commencement notice
24 Jul 2026CN0145197DRD26A/0270/WEB758 m away
Sycamore Crescent, Dublin, A94Y8D2 — Opt out commencement notice
22 Jul 2026CN0145074DRD25B/0727/WEB831 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 13 Sept 2026, 23:40

Source	Licence	Fetched	Link
bcms	CC-BY-4.0	13 Sept 2026, 23:40	open

Sales 158 in 36 months within 1.0 km

€822,500

median price

€7,399/m²

median €/m²

158

sales

158

rooftop-geocoded

with listing detail

new builds

€243,750 – €2,400,000, 15 Sept 2023 to 23 Mar 2026.

Address	Sold	Price	Asking	Type	Beds	m²	€/m²	BER	Dist.
FERNDALE, 14 SEAFIELD RD, BLACKROCK	23 Mar 2026	€1,285,000	€1,095,000	Detached	5	192	6,693	E1	731 m
1 ASHFIELD PARK, STILLORGAN ROAD, DUBLIN 4	3 Mar 2026	€1,415,000	€1,395,000	Semi-D	4	172	8,227	G	712 m
2 THORNWOOD, BOOTERSTOWN, DUBLIN 4	15 Jan 2026	€802,000	€950,000	Terrace	3	151	5,311	C2	646 m
4 KNOCKRABO AVENUE, KNOCKRABO, MOUNT ANVILLE ROAD	9 Jan 2026	€1,255,000	€1,350,000	Semi-D	4	170	7,382	A3	951 m
25 BOOTERSTOWN WOOD, BOOTERSTOWN AVE, BOOTERSTOWN	15 Dec 2025	€538,000	€495,000	Apartment	2	86	6,256	B2	675 m
22 MERRION WOODS, STILLORGAN RD, ST HELENS	5 Dec 2025	€831,251	€745,000	Apartment	3	99	8,396	C1	825 m
47 BELFIELD PARK, STILLORGAN RD, DUBLIN	3 Dec 2025	€380,000	€345,000	Apartment	1	43	8,837	E1	553 m
20 TRIMLESTON RD, BOOTERSTOWN, DUBLIN	28 Nov 2025	€1,150,000	€1,195,000	Semi-D	5	186	6,183	D2	970 m
62 MCCABE VILLAS, BOOTERSTOWN, CO DUBLIN	24 Nov 2025	€610,000	€595,000	House	2	73	8,356	E2	855 m
8 WILSON ROAD, MOUNT MERRION, CO DUBLIN	20 Nov 2025	€900,000	€895,000	Bungalow	3	130	6,923	F	438 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, daft_gateway, 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
daft_gateway	Third-party advertisement data read from daft.ie's own JSON gateway. Not open data: internal analysis only, no redistribution of listing content. Business-contact details (the licensed PSP's name and branch) are retained per Cara DECISIONS 2026-08-19; agent phone numbers, profile images and all media URLs are dropped at fetch time and never written down. Vendor and buyer identities are not in this data.	13 Sept 2026, 22:10	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.'	13 Sept 2026, 20:32	open

Consultations 2 matched by place

Cruise Passenger Realignment Project, Dun Laoghaire Harbour 37 days left
closes 21 Oct 2026Dún Laoghaire-Rathdown County Councillea-wide
Environment: Green Dog Walkers Pledge 108 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

Tree Pruning in Foxrock
Dún Laoghaire CHEPP Area Committee Meeting7 Sept 202611Dún Laoghaire-Rathdown County Council
Taking in Charge at Oatlands Manor, Mount Merrion, Blackrock, Co. Dublin
Monthly County Council Meeting11 May 20265Dún Laoghaire-Rathdown County Council
Local Authorities Members' Association (LAMA) Spring Conference, 28th and 29th January 2026, The Connacht Hotel, Old Dublin Road, Galway
County Council12 Jan 2026F/25/26aFingal County Council
Councillor J. Walsh - Update on Planning Enforcement - Sycamore Avenue - AI099082
Blanchardstown-Mulhuddart/Castleknock/Ongar Area Committee (Services B - Strategic & General Matters)7 Nov 2024CMB/295/24Fingal County Council

Source: moderngov · fetched 13 Sept 2026, 21:50

Source	Licence	Fetched	Link
moderngov	public	13 Sept 2026, 21:50	open

Capacity and public land

No publishable utility-capacity record within the radius. 56 records from Esb substation withheld: source licence forbids redistribution; see the operator's own register.

Public land (LDA register of relevant lands)

National University of Ireland — Dublin city and suburbs
6.25 hafolio DN182900F415 m awayas of 1 Jul 2023
Dublin City Council — Dublin city and suburbs
1.21 hafolio DN53237L571 m awayas of 1 Apr 2023
Dún Laoghaire-Rathdown County Council — Dublin city and suburbs
10 hafolio DN229597F576 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.34 hafolio DN69192F606 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
2.15 hafolio DN53237L737 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.19 hafolio DN57872F802 m awayas of 1 Apr 2023
National University of Ireland — Dublin city and suburbs
0.66 hafolio DN182900F814 m awayas of 1 Jul 2023
Dublin City Council — Dublin city and suburbs
0.25 hafolio DN53237L911 m awayas of 1 Apr 2023

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

Coláiste Eoin
postprimary517 pupilsCATHOLIC612 m
Coláiste Íosagáin
postprimary488 pupilsCATHOLIC665 m
S N SAN TREASA
primary430 pupilsCatholic781 m
Gaelscoil Laighean
primary130 pupilsMulti Denominational782 m
St Andrews College
postprimary1011 pupilsPRESBYTERIAN942 m

Stops 37 · routes 103X, 105X, 109, 109X, 111, 115X, 116, 118, 120A, 125, 126U, 133, 142, 179, 180, 181, 2, 27X, 32X, 39A, 41X, 46n, 47, 700, 740, 740A, 740X, 77X, 7B, 7D, 845, 847, 910, E1, E2, GD01, S4, S6, X1, X2, X25, X26, X27, X28, X30, X31, X32

North Avenue
4783 m
North Avenue
4791 m
Mather Road North
47204 m
Mather Road North
47214 m
UCD Village
142, S6311 m
Fosters Avenue
47318 m
UCD Village
142, S6341 m
Callary Road
S6351 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.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
Rzlt	rzlt	CC-BY-4.0	12 Sept 2026, 00:23
Planning	npad	CC-BY-4.0	13 Sept 2026, 20:39
Appeals	acp	CC-BY-4.0	12 Sept 2026, 00:05
Commencements	bcms	CC-BY-4.0	13 Sept 2026, 23:40
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	daft_gateway	Third-party advertisement data read from daft.ie's own JSON gateway. Not open data: internal analysis only, no redistribution of listing content. Business-contact details (the licensed PSP's name and branch) are retained per Cara DECISIONS 2026-08-19; agent phone numbers, profile images and all media URLs are dropped at fetch time and never written down. Vendor and buyer identities are not in this data.	13 Sept 2026, 22:10
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.'	13 Sept 2026, 20:32
Consultations	consult	public	12 Sept 2026, 02:04
Council items	moderngov	public	13 Sept 2026, 21:50
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	13 Sept 2026, 21:50
Deadlines	npad	CC-BY-4.0	13 Sept 2026, 20:39
Deadlines	rzlt	CC-BY-4.0	12 Sept 2026, 00:23

Generated 14 Sept 2026, 16:13 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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