Site report · 500 m radius · generated 12 Sept 2026, 22:51

South Avenue

Eircode —Coordinates 53.29335, -6.21119Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 2 open windows

Appeal window closes 17 Sept 20265 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) · 345 m away
Appeal window closes 21 Sept 20269 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) · 318 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: Mount Merrion or Callary
Settlement: Dublin city and suburbs
Electoral division: Stillorgan-Deerpark
Local electoral area: Stillorgan
Local authority: Dun Laoghaire-Rathdown County Council

Census 2022, small area 267124010

417

people

130

households

140

dwellings

89.2% owner-occupied, 7.7% privately rented, 0% social. Vacancy 3.6%.

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	3	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	4	Stansted; Mount Merrion House; Mount Merrion House Stables

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 (3.24 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 191 in 5 years within 500 m

Recent decisions and applications

118

Grant permission

Refuse permission

Grant permission for retention

Declare invalid (site notice)

42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0 Assessment Period
The development will consist of the renovation and extension of existing 2-stor
D26B/0401/WEBreceived 14 Jul 2026434 m away
32, Deerpark Road, Mount Merrion, Dublin, A94X7K4 Assessment Period
a) Demolition of existing c.178sqm two-storey (plus non-habitable attic space),
D26A/0521/WEBreceived 9 Jul 2026453 m away
57, Deerpark Road, Mount Merrion, Dublin, A94F761 Grant permission
The development will include the demolition of - the existing end of terrace par
D26A/0493/WEBreceived 30 Jun 2026decided 24 Aug 2026318 m away
57, Deerpark Road, Mount Merrion, DUBLIN, A94F761 Grant certificate of exemption
3 Units
V/050/26received 30 Jun 2026decided 24 Jul 2026318 m away
47, Deerpark Road, Mount Merrion, Co. Dublin, A94A9X5 Grant permission
The proposed amendment consists of the omission of the previously permitted det
D26A/0488/WEBreceived 29 Jun 2026decided 20 Aug 2026345 m away
63, Deerpark Road, Mount Merrion, Blackrock, Dublin S5 dec not exempt
Change of use from (food preparation) retail to café/restaurant. It has been op
REF8826received 10 Jun 2026decided 7 Jul 2026304 m away
36, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94Y3K5 Grant permission
Ground level single storey rear extension, alterations to existing rear extensi
D26B/0337/WEBreceived 9 Jun 2026decided 23 Jul 2026441 m away
48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7 Grant permission
A first floor extension to front, side & rear of dwelling (floor area 31.30m.sq
D26B/0323/WEBreceived 2 Jun 2026decided 22 Jul 2026406 m away
48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7 Declare application invalid
A first floor extension to front, side & rear o
D26B/0316/WEBreceived 28 May 2026decided 29 May 2026406 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 2026314 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 26 in 5 years within 500 m

ACP 501672 on D26A/0295 Pending
received 7 Jul 2026253 m away
ACP 500909 on D25B/0680/WEB Refused
received 3 Mar 2026decided 22 Jun 2026424 m awayinspector's report
ACP 500397 on D25A/0617 Granted with conditions
received 3 Dec 2025decided 19 Mar 2026366 m awayinspector's report
ACP 500280 on D25B/0485/WEB Granted with conditions
received 13 Nov 2025decided 4 Mar 2026103 m awayinspector's report
ACP 323440 on D25A/0466/WEB Granted with conditions
received 18 Aug 2025decided 20 Nov 2025475 m awayinspector's report
ACP 323691 on D25B/0375/WEB Invalid
received 18 Sept 2025decided 18 Sept 2025460 m away
ACP 322653 on D25B/0133/WEB Granted with conditions
received 29 May 2025decided 16 Sept 2025198 m awayinspector's report
ACP 322500 on D25A/0143 Granted with conditions
received 12 May 2025decided 11 Sept 2025326 m awayinspector's report
ACP 322246 on D25B/0046/WEB Granted with conditions
received 9 Apr 2025decided 25 Jul 2025409 m awayinspector's report
ACP 322226 on D24A/0937/WEB Granted with conditions
received 3 Apr 2025decided 22 Jul 2025442 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 63 in 3 years within 500 m

39 Wilson Road, Blackrock, Dublin, A94 P3Y9 — Opt out commencement notice
21 Sept 2026CN0147539DRD25B/0046/WEB430 m away
86 Trees Road Lower, Blackrock, Dublin — Opt out commencement notice
17 Sept 2026CN0147279DRD24A/0234159 m away
56 Trees Road Lower, Blackrock, Dublin, A94 X9X5 — Opt out commencement notice
17 Sept 2026CN0147477DRD25B/0739/WEB254 m away
46 South Avenue, Blackrock, Dublin, A94 W9D8 — Opt out commencement notice
24 Aug 2026CN0146325DRD26A/0159187 m away
40 Wilson Road, Blackrock, Dublin, A94 H2Y9 — Opt out commencement notice
4 Aug 2026CN0145284DRD25B/0472477 m away
66 The Rise, Blackrock, Dublin, A94 X9F6 — Opt out commencement notice
27 Jul 2026CN0145190DRD25B/0292395 m away
27 Redesdale Road, Blackrock, Dublin — Commencement notice
27 Jul 2026CN0145185DRD25A0617381 m away
128 Trees Road Upper, Blackrock, Dublin, A94 W8W8 — Opt out commencement notice
12 Jun 2026CN0143300DRD26B/0021/WEB337 m away
75 Deerpark Road, Dublin, Dún Laoghaire-Rathdown — Opt out commencement notice
28 May 2026CN0142847DRD25A/0699/WEB296 m away
Woodlands Avenue, Dublin, Dún Laoghaire-Rathdown, A94Y7Y8 — Commencement notice
6 May 2026CN0141443DRD23A/0193490 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 11 Sept 2026, 23:29

Source	Licence	Fetched	Link
bcms	CC-BY-4.0	11 Sept 2026, 23:29	open

Sales 26 in 36 months within 500 m

€1,088,500

median price

€7,915/m²

median €/m²

sales

rooftop-geocoded

with listing detail

new builds

€695,000 – €1,850,000, 15 Feb 2024 to 28 Nov 2025.

Address	Sold	Price	Asking	Type	Beds	m²	€/m²	BER	Dist.
43 TREES ROAD, MOUNT MERRION, CO DUBLIN	28 Nov 2025	€1,300,000	€1,150,000	Semi-D	4	166	7,831	D2	137 m
23 GLENABBEY ROAD, MOUNT MERRION, CO DUBLIN	19 Nov 2025	€1,410,000	€1,395,000	Semi-D	4	183	7,705	C2	217 m
13 REDESDALE RD, MOUNT MERRION, DUBLIN	25 Sept 2025	€850,000	€845,000	Bungalow	3	124	6,855	C3	432 m
50 THORNHILL OAKS, CHERRY GARTH, MOUNT MERRION	24 Sept 2025	€1,500,000	€1,395,000	Semi-D	4	165	9,091	A2	302 m
49 THE RISE, MOUNT MERRION, BLACKROCK	24 Sept 2025	€1,305,000	€1,195,000	Semi-D	4	143	9,126	C3	485 m
14 SOUTH AVENUE, MOUNT MERRION, CO DUBLIN	5 Sept 2025	€920,000	€825,000	Semi-D	3	92	10,000	F	399 m
28 SOUTH AVE, MOUNT MERRION, DUBLIN	4 Sept 2025	€1,400,000	€1,195,000	Detached	4	163	8,589	D2	290 m
71 TREES ROAD, MOUNT MERRION, CO DUBLIN	8 Aug 2025	€1,480,000	€1,395,000	Semi-D	4	196	7,551	B3	170 m
APT.28 - THORNHILL OAKS, CHERRY GARTH - MOUNT MERRION, BLACKROCK	18 Jul 2025	€999,999	€950,000	Apartment	3	126	7,937	A2	306 m
56 GLENABBEY RD, MOUNT MERRION, DUBLIN	22 Jan 2025	€1,315,000	€1,295,000	Semi-D	4	166.6	7,893	C2	94 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 39 days left
closes 21 Oct 2026Dún Laoghaire-Rathdown County Councillea-wide
Environment: Green Dog Walkers Pledge 110 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 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.

Public land (LDA register of relevant lands)

Dún Laoghaire-Rathdown County Council — Dublin city and suburbs
10 hafolio DN229597F101 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.17 hafolio DN11711N455 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

S N SAN TREASA
primary430 pupilsCatholic185 m
Oatlands Primary School, An Edmund Rice School
primary428 pupilsCatholic464 m
Oatlands College
postprimary623 pupilsCATHOLIC588 m
S N NAOMH LORCAN
primary390 pupilsCatholic601 m
S N CNOC AINBHIL
primary434 pupilsCatholic636 m
Gaelscoil Laighean
primary130 pupilsMulti Denominational669 m
Mount Anville Secondary School
postprimary726 pupilsCATHOLIC761 m

Stops 50 · routes 11, 116, 118, 133, 181, 2, 46n, 47, 511, 700, 740, 740A, 740X, 7B, 7D, E1, E2, L25, S6, X1, X2

South Avenue
4747 m
Glenabby Road
47101 m
Deer Park
47307 m
The Rise
47338 m
The Rise
47369 m
Dale Drive
11464 m
South Avenue
11479 m
Dale Drive
11485 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	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, 22:51 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?