Site report · 500 m radius · generated 13 Sept 2026, 02:09

Trees Road Upper, Mount Merrion

Eircode —Coordinates 53.29147, -6.21527Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 0 open windows

No observation, appeal or consultation window is open within 500 m today.

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
Parcel: Tailte Éireann 5783222 (freehold), 425 m²

Census 2022, small area 267124008

337

people

121

households

135

dwellings

87.6% owner-occupied, 9.9% privately rented, 0% social. Vacancy 9.6%.

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	6	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 10 homes in this area is likely to have high radon levels
Record of Protected Structures	3	The Glass House; Convent of Sacred Heart; Thornhill 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 (1.78 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 137 in 5 years within 500 m

Recent decisions and applications

Grant permission

Refuse permission

Declare application invalid

Grant permission for retention

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 202669 m away
2, Redesdale Court, Rededale Road, Mount Merrion, Co Dublin, A94C6K5 Refuse permission
Construct a dormer roof extension to the side and rear, and to insert a window i
D26B/0296/WEBreceived 20 May 2026decided 14 Jul 2026270 m away
Cedar House Nursing Home, 35 Mount Anville Park, Mount Merrion, Dublin 14, D14F240 Request additional information
The development will consist of:The refurbishment and reconfiguring of the exist
D26A/0363/WEBreceived 13 May 2026decided 6 Jul 2026356 m away
2, Redesdale Court, Redesdale Road, Mount Merrion, Co Dublin, A94C6K5 Declare application invalid
Construct a dormer roof extension to the side and rear, and to insert a window i
D26B/0284/WEBreceived 12 May 2026decided 14 May 2026270 m away
93, South Avenue, Mount Merrion, Co. Dublin, A94F9X6 Grant permission
Additions and alterations to detached dwelling, including demolition of’ single
D26A/0332received 30 Apr 2026decided 24 Jun 2026436 m away
81, South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94H1K0 Grant permission
The development will consist of (a) first floor side extension over existing gro
D26B/0242/WEBreceived 22 Apr 2026decided 12 Jun 2026389 m away
Rear lands No. 33 & No. 35 Clonmore Road, Mount Merrion, Co. Dublin Refuse permission
For the demolition of 2 no. garages (one each at Nos. 33 and 35 Clonmore Road),
D26A/0295received 16 Apr 2026decided 10 Jun 2026254 m away
168, Lower Kilmacud Road, Goatstown, Dublin 14, D14WY93 Grant permission
Planning permission for attic conversion with hip to gable roof and dormer to r
D26B/0139/WEBreceived 12 Mar 2026decided 29 Apr 2026459 m away
46, South Avenue, Mount Merrion, Co. Dublin, A94W9D8 Grant permission
Full planning permission for the demolition of the existing single-story side g
D26A/0159/WEBreceived 3 Mar 2026decided 23 Apr 2026263 m away
92, Trees Road Upper, Mount Merrion, Dublin, A94V2D5 Grant permission
Permission and retention permission for 01) Bay window extension with a pitched
D26A/0154/WEBreceived 1 Mar 2026decided 16 Apr 2026235 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 19 in 5 years within 500 m

ACP 501672 on D26A/0295 Pending
received 7 Jul 2026254 m away
ACP 500909 on D25B/0680/WEB Refused
received 3 Mar 2026decided 22 Jun 202682 m awayinspector's report
ACP 500397 on D25A/0617 Granted with conditions
received 3 Dec 2025decided 19 Mar 202637 m awayinspector's report
ACP 500280 on D25B/0485/WEB Granted with conditions
received 13 Nov 2025decided 4 Mar 2026213 m awayinspector's report
ACP 323440 on D25A/0466/WEB Granted with conditions
received 18 Aug 2025decided 20 Nov 2025189 m awayinspector's report
ACP 322653 on D25B/0133/WEB Granted with conditions
received 29 May 2025decided 16 Sept 2025181 m awayinspector's report
ACP 322500 on D25A/0143 Granted with conditions
received 12 May 2025decided 11 Sept 202551 m awayinspector's report
ACP 319565 on D24A/0059 Granted with conditions
received 22 Apr 2024decided 31 Jan 2025492 m awayinspector's report
ACP 321487 on D24B/0425/WEB Open
received 18 Dec 2024378 m away
ACP 320028 on D24A/0234 Granted with conditions
received 27 Jun 2024decided 19 Nov 2024323 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 39 in 3 years within 500 m

86 Trees Road Lower, Blackrock, Dublin — Opt out commencement notice
17 Sept 2026CN0147279DRD24A/0234347 m away
61 Mount Anville Wood, Dublin 14, Dublin, D14 TY86 — Opt out commencement notice
28 Aug 2026CN0146593DRD25A/0695/WEB360 m away
46 South Avenue, Blackrock, Dublin, A94 W9D8 — Opt out commencement notice
24 Aug 2026CN0146325DRD26A/0159293 m away
27 Redesdale Road, Blackrock, Dublin — Commencement notice
27 Jul 2026CN0145185DRD25A061747 m away
128 Trees Road Upper, Blackrock, Dublin, A94 W8W8 — Opt out commencement notice
12 Jun 2026CN0143300DRD26B/0021/WEB10 m away
39 Clonmore Road, Blackrock, Dún Laoghaire-Rathdown — Commencement notice
3 Mar 2026CN0139168DRD21A/0538260 m away
7 Dale Road, Dublin, A94 HE24 — Short commencement notice
2 Mar 2026CN0138913DRD25B/0441?WEB441 m away
68 Thornhill Road, Dublin, South Dublin, A94 E2R9 — Opt out commencement notice
10 Dec 2025CN0136469DRD25A/0466/WEB203 m away
88 Slieve Rua Drive, Stillorgan, Dún Laoghaire-Rathdown, A94 D4E4 — Opt out commencement notice
17 Nov 2025CN0135460DRD24B/0533/WEB417 m away
1 Sweet Briar Lane, Kilmacud, Dún Laoghaire-Rathdown — Commencement notice
31 Oct 2025CN0134812DRD23A/0322 & ABP-317605-23482 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 36 in 36 months within 500 m

€938,000

median price

€7,768/m²

median €/m²

sales

rooftop-geocoded

with listing detail

new builds

€520,000 – €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	407 m
23 GLENABBEY ROAD, MOUNT MERRION, CO DUBLIN	19 Nov 2025	€1,410,000	€1,395,000	Semi-D	4	183	7,705	C2	244 m
2 REDESDALE COURT, REDESDALE RD, MOUNT MERRION	4 Nov 2025	€650,000	€595,000	Bungalow	2	58	11,207	D1	283 m
13 REDESDALE RD, MOUNT MERRION, DUBLIN	25 Sept 2025	€850,000	€845,000	Bungalow	3	124	6,855	C3	100 m
50 THORNHILL OAKS, CHERRY GARTH, MOUNT MERRION	24 Sept 2025	€1,500,000	€1,395,000	Semi-D	4	165	9,091	A2	460 m
14 SOUTH AVENUE, MOUNT MERRION, CO DUBLIN	5 Sept 2025	€920,000	€825,000	Semi-D	3	92	10,000	F	438 m
28 SOUTH AVE, MOUNT MERRION, DUBLIN	4 Sept 2025	€1,400,000	€1,195,000	Detached	4	163	8,589	D2	354 m
7 RATHMORE AVE, KILMACUD, STILLORGAN	1 Sept 2025	€975,000	€945,000	Semi-D	4	169	5,769	C3	468 m
71 TREES ROAD, MOUNT MERRION, CO DUBLIN	8 Aug 2025	€1,480,000	€1,395,000	Semi-D	4	196	7,551	B3	182 m
98 LR KILMACUD RD, STILLORGAN, DUBLIN	10 Jul 2025	€1,187,000	€925,000	Semi-D	4	178	6,669	E1	308 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 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 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. 9 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 DN229597F253 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.17 hafolio DN11711N365 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 CNOC AINBHIL
primary434 pupilsCatholic302 m
S N SAN TREASA
primary430 pupilsCatholic514 m
Mount Anville Secondary School
postprimary726 pupilsCATHOLIC529 m
Gaelscoil Laighean
primary130 pupilsMulti Denominational580 m
S N NAOMH LORCAN
primary390 pupilsCatholic635 m
Oatlands Primary School, An Edmund Rice School
primary428 pupilsCatholic669 m
Oatlands College
postprimary623 pupilsCATHOLIC859 m
St Benildus College
postprimary949 pupilsCATHOLIC863 m

Stops 54 · routes 11, 116, 118, 133, 2, 46n, 47, 511, 700, 740, 740A, 740X, 7B, 7D, E1, E2, L25, S6

Redesdale Road
11282 m
Glenabby Road
47310 m
Mount Anville NS
11315 m
Dale Drive
11327 m
Dale Drive
11333 m
Mount Anville NS
11349 m
South Avenue
47388 m
South Avenue
11442 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	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, 02:09 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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