Site report · 500 m radius · generated 14 Sept 2026, 20:15

Rowanbyrn, Newtown Castlebyrn

Eircode —Coordinates 53.28769, -6.17068Local authority Dun Laoghaire-Rathdown County Council

What closes soonest 1 open window

Appeal window closes 17 Sept 20263 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) · 414 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: 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 1706733 (freehold), 163 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	13	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	13	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 123 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 2026356 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 2026414 m away
107, Springhill Avenue, Blackrock, Co. Dublin, A94VR92 Grant permission for retention
Permission for retention for the development of Bicycle & Bin storage shed withi
D26B/0338/WEBreceived 10 Jun 2026decided 31 Jul 2026452 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 2026398 m away
107 Springhill Avenue, Blackrock, Dublin, A94VR92 Declare application invalid
Permission for retention for the development of a Bicycle & Bin storage shed wit
D26B/0300/WEBreceived 21 May 2026decided 25 May 2026452 m away
14, Newtown Park, Blackrock, Co. Dublin, A94YT99 Grant permission
The change of use from commercial to residential use, reinstatement of residenti
D26A/0290received 16 Apr 2026decided 5 Jun 2026436 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 2026416 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 2026416 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 2026451 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 2026413 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 8 in 5 years within 500 m

ACP 320835 on D24B/0301/WEB Granted with conditions
received 17 Sept 2024decided 23 Jan 2025171 m awayinspector's report
ACP 319357 on D24B/0002 Granted with conditions
received 21 Mar 2024decided 20 Nov 2024371 m awayinspector's report
ACP 318867 on D23B/0498 Granted with conditions
received 16 Jan 2024decided 19 Jun 2024345 m awayinspector's report
ACP 315411 on D22A/0776 Refused
received 21 Dec 2022decided 23 Jan 2024382 m awayinspector's report
ACP 315380 on D21A/0995 Granted with conditions
received 20 Dec 2022decided 24 Jul 2023452 m awayinspector's report
ACP 312036 on D21A/0557 Granted with conditions
received 23 Nov 2021decided 30 Aug 2022469 m awayinspector's report
ACP 312668 on D21A/0995 Granted with conditions
received 8 Feb 2022decided 26 Apr 2022452 m awayinspector's report
ACP 311711 on D21A/0557 Granted
received 20 Oct 2021decided 11 Nov 2021469 m away

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 27 in 3 years within 500 m

32 Springhill Park, Blackrock, Dublin, A94 FP97 — Opt out commencement notice
10 Aug 2026CN0145798DRD26A/0253/WEB427 m away
Knapp Cottage, Annaville Avenue, Blackrock, Dublin, A94 F2Y7 — Opt out commencement notice
20 Jul 2026CN0144994DRD24A/0958/WEB438 m away
16 Rockville Park, Blackrock, Dublin, A94 W672 — Opt out commencement notice
11 Jul 2026CN0144581DRD26B/0094/WEB209 m away
9 Páirc Bhaile Na Creige, An Charraig Dhubh, Dublin, A94 X478 — Opt out commencement notice
29 Jun 2026CN0144362DRD26B/0165/WEB234 m away
32 Springhill Park, Blackrock, Dún Laoghaire-Rathdown, A94 FP97 — Opt out commencement notice
23 Apr 2026CN0141045DRD25A/0029/WEB426 m away
38 Rockford Park, Blackrock, Dún Laoghaire-Rathdown, A94 PD76 — Short commencement notice
22 Apr 2026CN0140929DRD25B/0466/WEB304 m away
11 Stradbrook Hall, Blackrock, Dún Laoghaire-Rathdown, A94H7N8 — Opt out commencement notice
16 Mar 2026CN0139376DRD25B/0306/WEB498 m away
101 Springhill Avenue, Blackrock, Dún Laoghaire-Rathdown, A94 RY63 — Short commencement notice
29 Jan 2026CN0137655DRD24B/0388/WEB427 m away
86 Rockford Park, Blackrock, Dún Laoghaire-Rathdown, A94 Y2V1 — Short commencement notice
7 Jan 2026CN0136945DRD23A/0257410 m away
2 Rockville Drive, Blackrock, Dún Laoghaire-Rathdown, A94 AK72 — Short commencement notice
3 Nov 2025CN0135179DRD25B/0082326 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 48 in 36 months within 500 m

€683,750

median price

€7,115/m²

median €/m²

sales

rooftop-geocoded

with listing detail

new builds

€240,000 – €1,471,610, 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	—	—	—	—	—	—	453 m
18 ROWAN PARK AVE, BLACKROCK, DUBLIN	22 Apr 2026	€1,250,000	€1,295,000	Detached	4	145	8,621	E2	369 m
10 BROOKLAWN AVE, BLACKROCK, DUBLIN	6 Mar 2026	€700,000	€645,000	End of Terrace	3	85	8,235	D2	439 m
15 CASTLEBYRNE PARK, NEWTOWN PARK AVE, BLACKROCK	13 Feb 2026	€667,500	€595,000	House	2	86	7,762	D2	457 m
19 NEWTOWN PARK, BLACKROCK, DUBLIN	12 Feb 2026	€840,000	€795,000	Semi-D	3	105	8,000	D1	494 m
ERRIGAL, 1 ROWAN PARK AVE, BLACKROCK	10 Oct 2025	€1,300,000	€1,350,000	Detached	4	177	7,345	D2	247 m
57 THE PINES, ROCKBROOK MANOR, STRADBROOK RD	22 Sept 2025	€500,000	€495,000	Apartment	2	75	6,667	C1	449 m
49 ROCKVILLE CRESCENT, BLACKROCK, DUBLIN	16 Sept 2025	€920,000	€930,000	Semi-D	4	150	6,133	D1	349 m
18 SPRINGHILL AVE, BLACKROCK, DUBLIN	3 Sept 2025	€770,000	€725,000	Semi-D	3	132	5,833	C2	426 m
17 DEANSGRANGE ROAD, BLACKROCK, CO DUBLIN	5 Aug 2025	€1,020,000	€950,000	Detached	4	180	5,667	D2	453 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

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 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. 13 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 DN7620N77 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
1.3 hafolio DN76288F192 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.82 hafolio DN6266N201 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
0.18 hafolio DN19715N222 m awayas of 1 Apr 2023
Dublin City Council — Dublin city and suburbs
1.38 hafolio DN76288F281 m awayas of 1 Apr 2023
Dún Laoghaire-Rathdown County Council — Dublin city and suburbs
0.1 hafolio DN182131F323 m awayas of 1 Apr 2023
Electricity Supply Board — Dublin city and suburbs
0.71 hafolio DN16652N471 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 IRELAND253 m
Rockford Manor Secondary School
postprimary273 pupilsCATHOLIC517 m
Scoil na nAingeal
primary410 pupilsCatholic538 m
ALL SAINTS N S
primary51 pupilsChurch Of Ireland705 m
ST AUGUSTINES SCHOOL
primary157 pupilsCatholic751 m
SCOIL PADRAIG NAOFA B
primary499 pupilsCatholic882 m
ST PATRICKS GNS
primary478 pupilsCatholic953 m

Stops 51 · routes 114, 4, 7, 7A, 7B, 7D, 7E, 7n, 84n, L25, L26, L27, S8

Rowanbyrn
7B, 7D, L25, L2620 m
Rowanbyrn
7B, 7D, L25, L2636 m
Newtownpark Avenue
7B, 7D, L25165 m
Deansgrange Park
4197 m
Rowan Park
4310 m
Deansgrange Road
84n, L26313 m
Grange Grove
4, 7B, 7D, L25328 m
Marian Park
S8338 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	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, 20:15 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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