Site report · 500 m radius · generated 14 Sept 2026, 00:00

Foster's Avenue, Mount Merrion, Mount Merrion or Callary

Eircode —Coordinates 53.30189, -6.21156Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 2 open windows

Appeal window closes 14 Sept 20261 day left
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) · 499 m away
Judicial review window closes 24 Sept 202611 days left
Grant permission with conditions
8 weeks from the Commission's decision (30 Jul 2026) · s.50 Planning and Development Act 2000 · 336 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

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

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
Radon risk area	1	About 1 in 20 homes in this area is likely to have high radon levels
Record of Protected Structures	4	Saint Thomas' Church; Stansted; Merville House

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

Residential Zoned Land Tax

This site is on an RZLT map — the draft map 2027 and the final map 2026 (5.04 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 89 in 5 years within 500 m

Recent decisions and applications

Grant permission

Declare application invalid

Refuse permission

Withdraw the application

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 2026263 m away
4, The Rise, Mount Merrion, Dublin, A94KV00 Declare application invalid
Permission for subdivision of the existing site of (0.088 ha) known as No.4 The
D26A/0509/WEBreceived 6 Jul 2026decided 8 Jul 2026266 m away
4, The Rise, Mount Merrion, DUBLIN, A94KV00 Grant certificate of exemption
1
V/052/26received 6 Jul 2026decided 30 Jul 2026263 m away
Part Ground Floor of Permitted Block A, University College Dublin, Belfield,Dublin 4 Grant permission
Planning permission for a Large-scale Residential Development (LRD) consisting o
LRD26A/0500/WEBreceived 3 Jul 2026155 m away
26, Wilson Road, Mount Merrion, Blackrock, Co Dublin, A94R8X3 Grant permission
Demolition of the existing garage; construction of a single storey extension to
D26A/0480/WEBreceived 25 Jun 2026decided 17 Aug 2026499 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 2026257 m away
11, Mather Road North, Mount Merrion, Dublin, A94CF62 Grant permission & grant retention
Retention is sought for existing entrance pillar and permission is sought for t
D26B/0293/WEBreceived 18 May 2026decided 8 Jul 2026341 m away
38A Greenfield Road (to west side of 38 Balnagowan, Greenfield Road), Mount Merrion, Blackrock, A94W2R6 Grant permission
The development will consist of a two-storey over basement detached dwelling on
D26A/0300/WEBreceived 20 Apr 2026decided 11 Jun 2026478 m away
8, Saint Thomas Mead, Mount Merrion, Dublin, A94N902 Grant permission
The development consists of an amendment and modification of the permission as
D26B/0231/WEBreceived 20 Apr 2026decided 9 Jun 2026182 m away
8, Saint Thomas Mead, Mount Merrion, Blackrock, Co. Dublin, A94N902 Declare application invalid
The development consists of an amendment and modification of the permission as
D26B/0225/WEBreceived 16 Apr 2026decided 17 Apr 2026182 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 12 in 5 years within 500 m

ACP 501261 on D26B/0069/WEB Granted with conditions
received 27 Apr 2026decided 30 Jul 2026336 m awayinspector's report
ACP 500642 on D25B/0626/WEB Granted with conditions
received 13 Jan 2026decided 14 Jul 2026119 m awayinspector's report
ACP 501139 on D26A/0035/WEB Granted
received 8 Apr 2026decided 6 Jul 202660 m awayinspector's report
ACP 500656 on D25A/0807/WEB Refused
received 16 Jan 2026decided 15 May 2026499 m awayinspector's report
ACP 322898 on D25B/0199/WEB Granted with conditions
received 30 Jun 2025decided 17 Oct 2025499 m awayinspector's report
ACP 322446 on D25B/0077 Withdrawn
received 2 May 2025decided 11 Aug 2025182 m away
ACP 321631 on D24A/0855/WEB Granted with conditions
received 10 Jan 2025decided 29 Apr 2025341 m awayinspector's report
ACP 321472 on D24A/0783/WEB Granted with conditions
received 17 Dec 2024decided 18 Mar 20250 m awayinspector's report
ACP 321332 on D24A/0706/WEB Granted with conditions
received 26 Nov 2024decided 25 Feb 2025206 m awayinspector's report
ACP 320601 on D23A/0489 Refused
received 19 Aug 2024decided 11 Feb 2025166 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 31 in 3 years within 500 m

11 Mather Road North, Blackrock, Dublin, A94 CF62 — Opt out commencement notice
7 Sept 2026CN0147022DRD26B/0293/WEB344 m away
5 Owenstown Park, Blackrock, Dublin, A94 XE10 — Opt out commencement notice
31 Aug 2026CN0146708DRD25A/0323/WEB449 m away
12 The Close, Blackrock, Dublin, A94 DH57 — Short commencement notice
14 Aug 2026CN0145751DRD26B/0172/WEB295 m away
9 Seafield Crescent, Blackrock, Dún Laoghaire-Rathdown, A94 R762 — Opt out commencement notice
28 May 2026CN0142595DRD25B/0325/WEB496 m away
11 Cypress Road, Blackrock, Dún Laoghaire-Rathdown, A94 F5C7 — Opt out commencement notice
18 May 2026CN0142215DRD25B/0259/WEB380 m away
44A Foster Avenue, Blackrock, Dún Laoghaire-Rathdown, A94 W963 — Opt out commencement notice
13 Apr 2026CN0140626DRD25A/0737/WEB193 m away
9 Roebuck Avenue, Blackrock, Dún Laoghaire-Rathdown, A94 K3V6 — Opt out commencement notice
6 Apr 2026CN0140277DRD24A/0855/WEB & ABP-321631378 m away
15 The Rise, Blackrock, Dún Laoghaire-Rathdown, A94 CF74 — Opt out commencement notice
3 Apr 2026CN0140253DRD24A/0706/WEB244 m away
34 Mather Road North, Mount Merrion, Blackrock, Dublin, A94 Y319, Blackrock, Dún Laoghaire-Rathdown, A94 Y319 — Short commencement notice
30 Mar 2026CN0140028DRD25A/0546/WEB437 m away
Mather Rd. N, Blackrock, Dún Laoghaire-Rathdown, A94 T9H6 — Commencement notice
24 Sept 2025CN0133593DRD21A/0673336 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 24 in 36 months within 500 m

€726,000

median price

€10,510/m²

median €/m²

sales

rooftop-geocoded

with listing detail

new builds

€375,000 – €1,925,000, 14 Mar 2024 to 3 Dec 2025.

Address	Sold	Price	Asking	Type	Beds	m²	€/m²	BER	Dist.
47 BELFIELD PARK, STILLORGAN RD, DUBLIN	3 Dec 2025	€380,000	€345,000	Apartment	1	43	8,837	E1	390 m
45 GREENFIELD RD, MOUNT MERRION, DUBLIN	7 Nov 2025	€1,390,000	€1,250,000	Semi-D	4	119	11,681	D1	449 m
12 FOSTER AVE, MT MERRION, DUBLIN	13 Oct 2025	€1,410,000	€1,325,000	Semi-D	4	151	9,338	D1	136 m
14 ST THOMAS ROAD, MOUNT MERRION, BLACKROCK	14 Jul 2025	€1,750,000	€1,100,000	Semi-D	4	147	11,905	D2	138 m
5 GREYGATES, STILLORGAN ROAD, MOUNT MERRION	30 Jun 2025	€1,690,000	—	—	—	—	—	—	340 m
APT 11, MOUNTBROOK, STILLORGAN RD	2 Dec 2024	€465,000	—	—	—	—	—	—	425 m
35 TURNSTONE, THORNWOOD APTS, BOOTERSTOWN AVE	12 Nov 2024	€582,000	—	—	—	—	—	—	447 m
75 BELFIELD PARK, STILLORGAN RD, STILLORGAN	8 Nov 2024	€500,000	—	—	—	—	—	—	351 m
86 FOSTERS AVE, MOUNT MERRION, DUBLIN	30 Sept 2024	€1,650,000	—	—	—	—	—	—	485 m
37 BELFIELD PARK, STILLORGAN RD, DUBLIN	26 Sept 2024	€479,000	—	—	—	—	—	—	390 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.'	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 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 3 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

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. 16 records from Esb substation withheld: source licence forbids redistribution; see the operator's own register.

Public land (LDA register of relevant lands)

Dublin City Council — Dublin city and suburbs
0.34 hafolio DN69192F485 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 pupilsCATHOLIC449 m
Coláiste Íosagáin
postprimary488 pupilsCATHOLIC502 m
St Andrews College
postprimary1011 pupilsPRESBYTERIAN782 m
S N SAN TREASA
primary430 pupilsCatholic789 m
OUR LADY OF MERCY CONVENT SCHOOL
primary247 pupilsCatholic838 m
Gaelscoil Laighean
primary130 pupilsMulti Denominational914 m

Stops 39 · 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
4780 m
North Avenue
4794 m
Fosters Avenue
47168 m
Stillorgan Road
47208 m
Mather Road North
47244 m
Mather Road North
47252 m
St Thomas Road
116, 118, 47, 700, 7B, 7D, E1, E2, S6265 m
Radisson Hotel
116, 46n, 47, 700, 7B, 7D, E1, E2, S6298 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.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
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	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, 00:00 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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