Site

Existing residential no density specification possible rzlt · Buildable

Existing residential, No density specification possible (RZLT DELA00002175)

Blackrock · Dún Laoghaire-RathdownNew

78StrongOn the RZLT map (3% land tax)· Residential Zoned Land Tax

On the 2027 RZLT map with no live permission for 10+ homes on it

2 more reasons

Built far below what the zoning allows: About 5,894 m² of buildings on 1.37 ha (plot ratio 0.43, 2 storeys max) · source, 26 Sept 2026
1.37 ha zoned R2 (Objective A: A To provide residential development and improve residential amenit) · source, 1 Apr 2022

On the RZLT map, no permissionUnderused site

Area: 1.37 ha
Zoning: R2
Homes: 38–109 homes (indicative density 35 100dph)
D26B/0424/WEB: GRANT PERMISSION — Demolition of existing garage at the side, construction of a two storey, pitche: 14 Oct 2026

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Who to contact: Land Registry folio (€5 search) · No organisation on record for this land. The registered owner is on the Land Registry folio: search landdirect.ie by map (a small fee applies).

What could be built

38–109 homes (indicative density 35 100dph)

Loading capacity…

What it might be worth

Indicative, not a valuation

Planning history

Planning on and around the site

Radius m: 250

Near

Years: 5
Total: 50

Appeals

Total: 6
Tagged: 3

Inspector recommendations are shown only where the inspector's report has been read and tagged; "not extracted" is not the same as "no recommendation". Sources: npad, 25 Sept 2026; acp, 25 Sept 2026; bcms, 25 Sept 2026

Deadlines running

Radius m: 250
Count: 2

Clocks (2)

Kind	Entity type	Occurred at	Deadline at	Deadline kind	Summary
decision	application	16 Sept 2026	14 Oct 2026	appeal	D26B/0424/WEB: GRANT PERMISSION — Demolition of existing garage at the side, construction of a two storey, pitche

More in Dún Laoghaire-Rathdown: development land · derelict sites · council land for sale · RZLT map

Similar schemes nearby

Base rate from past decisions nearby, not a prediction for this site

Radius m: 2,000
Years: 5
Min units: 10
Homes granted: 0

Base rates (2)

Label	N	Of	Text
Applications for 10+ homes granted	0	0	0 of 0 decided applications for 10+ homes within 2 km in 5 years were granted
Appealed schemes granted by the Commission	0	0	0 of 0 of those schemes that were appealed ended with a grant

Base rate from past decisions nearby, not a prediction for this site. Small N means a wide range: treat anything under 10 decisions as anecdote. Sources: acp, 25 Sept 2026; npad, 25 Sept 2026

What's happening nearby

100 recent events

Recent activity within 250 m

Observations close (s.34, 5 weeks) ends 1 Oct 2026 5 days
D26A/0642/WEB: Retention permission for hip to gable non habitable attic conversion; single sto
source
Appeal window closes (s.37, 4 weeks) ends 14 Oct 2026 18 days
D26B/0424/WEB: Demolition of existing garage at the side, construction of a two storey, pitche
source
Observations close (s.34, 5 weeks) ends 15 Oct 2026 19 days
D26B/0494/WEB: Conversion of her attic to storage including changing her existing hipped end r
source

24 Sept 2026 On the Residential Zoned Land Tax map
On the 2027 draft RZLT map
source
24 Sept 2026 RZLT-liable with no live permission for 10+ homes
RZLT-liable and no live permission for 10+ homes on it
source
24 Sept 2026 Built far below what the zoning allows
About 5,894 m² of buildings on 1.37 ha (plot ratio 0.43, 2 storeys max)
source
16 Sept 2026 Decision · 130 m
D26B/0424/WEB: GRANT PERMISSION — Demolition of existing garage at the side, construction of a two storey, pitche
source
10 Sept 2026 New application · 115 m
D26B/0494/WEB: application received — Conversion of her attic to storage including changing her existing hipped end r
source
27 Aug 2026 New application · 229 m
D26A/0642/WEB: application received — Retention permission for hip to gable non habitable attic conversion; single sto
source
12 Aug 2026 New application · 73 m
D26B/0450/WEB: application received — Conversion of existing attic space comprising of modification of existing roof
source
29 Jul 2026 Decision · 13 m
D26A/0254/WEB: GRANT PERMISSION — Alterations and additions to an existing 2-storey detached dwelling comprising o
source
24 Jul 2026 New application · 130 m
D26B/0424/WEB: application received — Demolition of existing garage at the side, construction of a two storey, pitche
source
8 Jul 2026 Decision · 60 m
D26B/0303/WEB: GRANT PERMISSION — •Demolition of the existing single storey extension to the side, demolition of h
source
7 Jul 2026 Decision · 130 m
D26B/0385/WEB: DECLARE APPLICATION INVALID — Construction of a single-storey porch to the side, a two storey, pitched roof e
source
3 Jul 2026 New application · 130 m
D26B/0385/WEB: application received — Construction of a single-storey porch to the side, a two storey, pitched roof e
source
2 Jul 2026 Further information received · 13 m
D26A/0254/WEB: further information received — Alterations and additions to an existing 2-storey detached dwelling comprising o
source
24 Jun 2026 Decision · 246 m
REF8626: S5 DEC EXEMPT — Installation of single roof window (Velux type) measuring approx 940mm x 1600mm
source
4 Jun 2026 New application · 246 m
REF8626: application received — Installation of single roof window (Velux type) measuring approx 940mm x 1600mm
source
28 May 2026 Commencement notice · 28 m
Work commenced at 9 Seafield Crescent, Blackrock, Dún Laoghaire-Rathdown, A94 R762 under D25B/0325/WEB (1 dwelling unit)
source
27 May 2026 Decision · 70 m
D26B/0211/WEB: GRANT PERMISSION — The Development will consist of - The construction of a two-storey extension to
source
22 May 2026 New application · 60 m
D26B/0303/WEB: application received — •Demolition of the existing single storey extension to the side, demolition of h
source
22 May 2026 New application · 147 m
PC/IC/01/26: application received — 73 mobility hub sites across the Council's administrative area
source
21 May 2026 Further information requested · 13 m
D26A/0254/WEB: further information requested — Alterations and additions to an existing 2-storey detached dwelling comprising o
source
29 Apr 2026 Decision · 246 m
REF5426: S5 DEC EXEMPT — Proposed development consists of the installation of external wall insulation to
source
15 Apr 2026 Commencement notice · 0 m
Work commenced at 5 Seafield Road, Blackrock, Dún Laoghaire-Rathdown, A94 Y033 under D25B/0601/WEB (1 dwelling unit)
source
9 Apr 2026 New application · 246 m
REF5426: application received — Proposed development consists of the installation of external wall insulation to
source
7 Apr 2026 New application · 70 m
D26B/0211/WEB: application received — The Development will consist of - The construction of a two-storey extension to
source
1 Apr 2026 New application · 13 m
D26A/0254/WEB: application received — Alterations and additions to an existing 2-storey detached dwelling comprising o
source
23 Mar 2026 Sale recorded (PPR) · 29 m
€1,285,000 · FERNDALE, 14 SEAFIELD RD, BLACKROCK · second-hand
source
9 Mar 2026 Commencement notice · 86 m
Work commenced at 34 Seafield Road, Blackrock, Dún Laoghaire-Rathdown, A94 AP89 under D24A/0692/WEB (1 dwelling unit)
source
9 Mar 2026 Commencement notice · 86 m
Work commenced at 34 Seafield Road, Blackrock, Dún Laoghaire-Rathdown, A94 AP89 under D24A/0703/WEB (1 dwelling unit)
source
19 Feb 2026 Decision · 49 m
D25B/0724/WEB: GRANT PERMISSION — The development will consist of: •Alterations to previously permitted dormers (F
source
19 Dec 2025 New application · 49 m
D25B/0724/WEB: application received — The development will consist of: •Alterations to previously permitted dormers (F
source

Events from council registers, the Commission, BCMS, council meetings and the RZLT maps, each with its source link. Open clocks computed with statutory periods (s.34, s.37, s.50 PDA 2000, s.251 Christmas disregard) or as published.

Homes planned nearby

Radius m: 1,000

Totals

Sites: 4
Homes: 416
Started: 16
Sites started: 1
Unbuilt: 400
Sites unbuilt: 3
Sites lapsing: 0
Sites lapsed: 0
Sites appealed: 0
Started pct: 4
Not started: 400

As of

Computed at: 2026-09-26T06:08:07+00:00
Sites in table: 4,173

Sites (4)

Source	Application id	Council	Ref	Name	Address
application	37,495	DLR	LRD25A/0637/WEB	Merrion	In the townland of Merrion, Chesterfield, Cross Avenue, Blackrock, Co Dublin
application	89,013	DCC

Zoning, services and constraints

Zoning and the RZLT map

Rzlt

Available: Yes
On site: Yes
Note: This land is on an RZLT map — the owner is liable for an annual 3 % tax.

Zones (1)

Code	Label	Meaning	Objective text	Plan id	Valid from
R2	Existing residential	An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour'…	Objective A: A To provide residential development and improve residential amenity while protecting the existing residential amenities	DR-001:DP:county-development-plan-2022-2028	1 Apr 2022

Objective text is quoted from the development plan as published on MyPlan (GZT). The plain-English line is our gloss. Sources: zoning, 26 Sept 2026; rzlt, 25 Sept 2026

Constraints

Available: Yes
Buffer m: 50
Opw flood extent nearby: No

Kinds (1)

Kind	Label	Count
radon	Radon risk area	1

Flood extents are OPW data we may not redistribute: shown as a yes/no and a link to floodinfo.ie. Sources: constraints, 11 Sept 2026; constraints.radon, 11 Sept 2026

Water and drainage

Radius m: 2,000

Masked

Count: 184
Reason: source licence forbids redistribution; see the operator's own register

Links (3)

Name	Note
Uisce Éireann wastewater treatment capacity register	Wastewater and water supply headroom per plant; check the plant serving this site.
Uisce Éireann pre-connection enquiry	The formal answer on whether a connection is feasible.
ESB Networks capacity heatmaps	Available demand capacity at the nearest substations.

Water, wastewater and electricity verdicts are in the value section; check them with Uisce Éireann and ESB Networks (links) before relying on them. Source: esbn, 11 Sept 2026

Sources

Site record (rzlt_parcel) · as of 26 Sept 2026
On the Residential Zoned Land Tax map · as of 1 Jan 2027
RZLT-liable with no live permission for 10+ homes · as of 1 Jan 2027
Built well below what the zoning allows · as of 26 Sept 2026
Zoning · as of 1 Apr 2022
npad · as of 25 Sept 2026
acp · as of 25 Sept 2026
lda_lands · as of 11 Sept 2026
consult · as of 25 Sept 2026
moderngov · as of 25 Sept 2026
rzlt · as of 25 Sept 2026
Planning applications: as of 22 Sept 2026 — National planning feed (NPAD); descriptions are truncated at source and applicants are organisations only, where a council register publishes them.
Appeals: as of 18 Sept 2026
Permitted, not started: as of 26 Sept 2026 — Grants of 10+ homes since 2017; 'not started' means no matched commencement notice.
RZLT map: as of 11 Sept 2026 — Latest annual RZLT edition per council; parcels under 0.1 ha are left out.
Zoning: as of 11 Sept 2026 — Generalised zoning (MyPlan GZT) and council layers; Dublin councils only for now.
Council land disposals (s.183): as of 18 Sept 2026 — Only disposals the council minutes locate on a map are shown; the last three years.
Public land: as of 11 Sept 2026 — The LDA's register of relevant public land.
Constraints: as of 11 Sept 2026 — OPW flood extents are licensed for internal use only: shown as a yes/no and a link to floodinfo.ie.
Transport stops: as of 25 Sept 2026 — NTA GTFS; rail, Luas and Metro stops used for distance to rail.
Listings: as of 11 Sept 2026 — Daft listings: on-market badge and agent business name only; never exported.
Sites: as of 26 Sept 2026 — Rebuilt nightly from the layers above.
Scores: as of 26 Sept 2026 — Rule score v0: signal weights x recency x size x zoning fit. Not a probability.
Planning applications: as of 30 Jul 2026 — The DCC feed has nothing received after 2026-07-30; newer applications may be missing.
Ownership: date unknown — We do not hold Land Registry ownership. Use the folio link-out on each site (a small fee applies).
Receiverships: date unknown — Not tracked yet.
Servicing (Uisce Éireann, ESB): date unknown — Capacity registers are licensed for internal use only; shown as link-outs.
Area covered: date unknown — The four Dublin councils (DCC, DLR, Fingal, SDCC).

Site pack generated 26 Sept 2026.

Name	Sites	Homes
Elm Real Estate Investments	1	80

Transport and schools

Radius m: 1,000
Stop count: 33
Facility count: 6

Stops (10)

Agency	Stop id	Name	Distance m
nta	8250DB002008	Seafield Road	225.1
nta	8250DB002084	Seafield Road	262.7
nta	8250DB002009	Radisson Hotel	400.8
nta	8250DB002083	Stillorgan Road	404.7
nta	8250DB002071	Fosters Avenue	440.2
nta	8250DB002070	St Thomas Road	441.4
nta	8250DB002007	Woodbine Road	549.5
nta	8250B1350601	UCD Belfield Campus	567.8
nta	8250DB000767	UCD	571.3
nta	8250DB004391	UCD	573.3

Schools (6)

Kind	Ref	Name	Council	Distance m
school_postprimary	60650F	St Andrews College	DLR	485.3
school_postprimary	60041D	Coláiste Eoin	DLR	534.1
school_primary	17970F	OUR LADY OF MERCY CONVENT SCHOOL	DLR	571.8
school_postprimary	60042F	Coláiste Íosagáin	DLR	584
school_primary	06200O	BOOTERSTOWN BOYS	DLR	680.2
school_postprimary	60040B	Willow Park School	DLR	884.5

Sources: gtfs, 25 Sept 2026; schools, 11 Sept 2026

Existing residential, No density specification possible (RZLT DELA00002175)

What could be built

What it might be worth

Planning history

Planning on and around the site

Near

Appeals

Deadlines running

Clocks (2)

Similar schemes nearby

Base rates (2)

What's happening nearby

Recent activity within 250 m

Homes planned nearby

Totals

As of

Sites (4)

Zoning, services and constraints

Zoning and the RZLT map

Rzlt

Zones (1)

Constraints

Kinds (1)

Water and drainage

Masked

Links (3)

More detail

On the market

All sales

Sources

Applicants (1)

Public land nearby

Transport and schools

Stops (10)

Schools (6)