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

Rowanbyrn

Eircode —Coordinates 53.28840, -6.16958Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 1 open window

Appeal window closes 17 Sept 20265 days left
D26B/0374/WEB — GRANT PERMISSION — The development will consist of: i) attic conversion to habitable space, ii) hip
4 weeks from the council's decision (20 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 468 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: Newtown Castlebyrn
Settlement: Dublin city and suburbs
Electoral division: Blackrock-Newpark
Local electoral area: Blackrock
Local authority: Dun Laoghaire-Rathdown County Council
Parcel: Tailte Éireann 1706718 (freehold), 305 m²

Census 2022, small area 267023002

432

people

122

households

131

dwellings

91% owner-occupied, 4.9% privately rented, 0% social. Vacancy 3.8%.

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
NIAH-recorded building	15	Belfort; Belfort; Mel Field sometimes Melfield
Radon risk area	2	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	14	Newpark School (formerly Melfield); Rockford Manor; Rockford Manor

Sources: constraints, constraints.niah, 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.niah	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

Residential Zoned Land Tax

This site is on an RZLT map — the draft map 2027 and the final map 2026 (2.41 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 136 in 5 years within 500 m

Recent decisions and applications

Grant permission

Declare application invalid

Grant permission for retention

Grant permission & grant retention

12, Rockville Drive, Blackrock, Co. Dublin, A94CP20 Assessment Period
• Demolition of the roof of the existing extension to the side;• Construction of
D26B/0430/WEBreceived 28 Jul 2026283 m away
33 Springhill Park, Deansgrange, Blackrock, Co Dublin, A94 XK68 Grant permission
The development will consist of: i) attic conversion to habitable space, ii) hip
D26B/0374/WEBreceived 27 Jun 2026decided 20 Aug 2026468 m away
62 Springhill Avenue, Blackrock, Co. Dublin, A94E656 Grant permission
An extension to a semi-detached dwelling. The development will consist of constr
D26B/0305/WEBreceived 25 May 2026decided 8 Jul 2026493 m away
4 Stradbrook Cottages, Stradbrook Road, Blackrock, Co Dublin, A94Y2N3 Grant permission
The relocation of the front entrance door and replace the old opening with a wi
D26B/0298/WEBreceived 21 May 2026decided 7 Jul 2026497 m away
4 Stradbrook Cottages, Blackrock, Co. Dublin, A94Y2N3 Declare application invalid
The relocation of the front entrance door and replace the old opening with a win
D26B/0291/WEBreceived 18 May 2026decided 20 May 2026497 m away
15, Deansgrange Road, Blackrock, Dublin, A94X5H0 Grant permission
A ground floor single storey porch extension to the front of the existing house
D26B/0214/WEBreceived 9 Apr 2026decided 3 Jun 2026457 m away
5, Stradbrook Road, Blackrock, Dublin, A94T2R4 Grant permission
Retention Planning Permission for single storey detached garden room/gym/office
D26B/0213/WEBreceived 9 Apr 2026decided 3 Jun 2026347 m away
15, Deansgrange Road, Blackrock, Co. Dublin, A94X5H0 Declare application invalid
A ground floor single storey porch extension to the front of the existing house
D26B/0212/WEBreceived 9 Apr 2026decided 9 Apr 2026457 m away
32 Springhill Park, Blackrock, Co. Dublin, A94FP97 Grant permission
Amendments to the grant of planning permission (Reg. Ref. No. D25A/0029/WEB) to
D26A/0253/WEBreceived 1 Apr 2026decided 20 May 2026464 m away
32, Springhill Park, Blackrock, Co. Dublin, A94FP97 Declare application invalid
Amendments to the grant of planning permission (Reg. Ref. No. D25A/0029/WEB) to
D26A/0239/WEBreceived 27 Mar 2026decided 31 Mar 2026464 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 10 in 5 years within 500 m

ACP 321841 on D24B/0489/WEB Refused
received 10 Feb 2025decided 4 Jun 2025491 m awayinspector's report
ACP 321309 on D24B/0409/WEB Granted with conditions
received 22 Nov 2024decided 11 Mar 2025466 m awayinspector's report
ACP 320835 on D24B/0301/WEB Granted with conditions
received 17 Sept 2024decided 23 Jan 202598 m awayinspector's report
ACP 320521 on D24A/0353 Refused
received 9 Aug 2024decided 11 Dec 2024460 m awayinspector's report
ACP 319357 on D24B/0002 Granted with conditions
received 21 Mar 2024decided 20 Nov 2024263 m awayinspector's report
ACP 318867 on D23B/0498 Granted with conditions
received 16 Jan 2024decided 19 Jun 2024371 m awayinspector's report
ACP 315411 on D22A/0776 Refused
received 21 Dec 2022decided 23 Jan 2024354 m awayinspector's report
ACP 314041 Refused
received 11 Jul 2022decided 28 Aug 2023410 m awayinspector's report
ACP 315380 on D21A/0995 Granted with conditions
received 20 Dec 2022decided 24 Jul 2023347 m awayinspector's report
ACP 312668 on D21A/0995 Granted with conditions
received 8 Feb 2022decided 26 Apr 2022347 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 26 in 3 years within 500 m

32 Springhill Park, Blackrock, Dublin, A94 FP97 — Opt out commencement notice
10 Aug 2026CN0145798DRD26A/0253/WEB475 m away
16 Rockville Park, Blackrock, Dublin, A94 W672 — Opt out commencement notice
11 Jul 2026CN0144581DRD26B/0094/WEB151 m away
9 Páirc Bhaile Na Creige, An Charraig Dhubh, Dublin, A94 X478 — Opt out commencement notice
29 Jun 2026CN0144362DRD26B/0165/WEB188 m away
32 Springhill Park, Blackrock, Dún Laoghaire-Rathdown, A94 FP97 — Opt out commencement notice
23 Apr 2026CN0141045DRD25A/0029/WEB474 m away
38 Rockford Park, Blackrock, Dún Laoghaire-Rathdown, A94 PD76 — Short commencement notice
22 Apr 2026CN0140929DRD25B/0466/WEB226 m away
11 Stradbrook Hall, Blackrock, Dún Laoghaire-Rathdown, A94H7N8 — Opt out commencement notice
16 Mar 2026CN0139376DRD25B/0306/WEB391 m away
86 Rockford Park, Blackrock, Dún Laoghaire-Rathdown, A94 Y2V1 — Short commencement notice
7 Jan 2026CN0136945DRD23A/0257379 m away
2 Rockville Drive, Blackrock, Dún Laoghaire-Rathdown, A94 AK72 — Short commencement notice
3 Nov 2025CN0135179DRD25B/0082263 m away
110 Rowanbyrn, Blackrock, Dún Laoghaire-Rathdown, A94 E785 — Opt out commencement notice
27 Oct 2025CN0134760DRABP-320835-24110 m away
63 Wynberg Park, Blackrock, Dún Laoghaire-Rathdown, A94 C2W4 — Opt out commencement notice
8 Aug 2025CN0131845DRD22B/0475469 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 45 in 36 months within 500 m

€645,000

median price

€7,067/m²

median €/m²

sales

rooftop-geocoded

with listing detail

new builds

€380,000 – €1,300,000, 25 Jan 2024 to 9 Jun 2026.

Address	Sold	Price	Asking	Type	Beds	m²	€/m²	BER	Dist.
93 CASTLEBYRNE PARK, NEWTOWNPARK AVE, BLACKROCK	9 Jun 2026	€597,000	—	—	—	—	—	—	493 m
18 ROWAN PARK AVE, BLACKROCK, DUBLIN	22 Apr 2026	€1,250,000	€1,295,000	Detached	4	145	8,621	E2	264 m
10 BROOKLAWN AVE, BLACKROCK, DUBLIN	6 Mar 2026	€700,000	€645,000	End of Terrace	3	85	8,235	D2	360 m
15 CASTLEBYRNE PARK, NEWTOWN PARK AVE, BLACKROCK	13 Feb 2026	€667,500	€595,000	House	2	86	7,762	D2	445 m
ERRIGAL, 1 ROWAN PARK AVE, BLACKROCK	10 Oct 2025	€1,300,000	€1,350,000	Detached	4	177	7,345	D2	140 m
57 THE PINES, ROCKBROOK MANOR, STRADBROOK RD	22 Sept 2025	€500,000	€495,000	Apartment	2	75	6,667	C1	361 m
49 ROCKVILLE CRESCENT, BLACKROCK, DUBLIN	16 Sept 2025	€920,000	€930,000	Semi-D	4	150	6,133	D1	245 m
17 DEANSGRANGE ROAD, BLACKROCK, CO DUBLIN	5 Aug 2025	€1,020,000	€950,000	Detached	4	180	5,667	D2	490 m
19 BROOKVILLE PARK, BLACKROCK, CO DUBLIN	28 Jul 2025	€886,918	€795,000	House	4	162	5,475	D2	200 m
28 BROOKLAWN AVE, BLACKROCK, DUBLIN	24 Jul 2025	€585,000	€495,000	End of Terrace	2	63	9,286	C3	360 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

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. 15 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
0.5 hafolio DN7620N153 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.18 hafolio DN19715N236 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.82 hafolio DN6266N286 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
1.3 hafolio DN76288F298 m awayas of 1 Apr 2023
Dún Laoghaire-Rathdown County Council — Dublin city and suburbs
0.1 hafolio DN182131F363 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
1.38 hafolio DN76288F388 m awayas of 1 Apr 2023
Electricity Supply Board — Dublin city and suburbs
0.71 hafolio DN16652N461 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

Newpark Comprehensive School
postprimary884 pupilsCHURCH OF IRELAND258 m
Rockford Manor Secondary School
postprimary273 pupilsCATHOLIC463 m
Scoil na nAingeal
primary410 pupilsCatholic474 m
ALL SAINTS N S
primary51 pupilsChurch Of Ireland761 m
ST AUGUSTINES SCHOOL
primary157 pupilsCatholic821 m
SCOIL LORCÁIN
primary485 pupilsCatholic970 m
SCOIL PADRAIG NAOFA B
primary499 pupilsCatholic981 m
Dun Laoghaire ETNS
primary177 pupilsMulti Denominational983 m

Stops 53 · routes 114, 4, 7, 7A, 7B, 7D, 7E, 7n, 84n, L25, L26, L27, S8

Rowanbyrn
7B, 7D, L25, L26126 m
Rowanbyrn
7B, 7D, L25, L26141 m
Deansgrange Park
4189 m
Rowan Park
4202 m
Newtownpark Avenue
7B, 7D, L25212 m
Rowan Park
4, 84n233 m
Grange Grove
4, 7B, 7D, L25310 m
Deansgrange Road
84n, L26323 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.niah	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
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.

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