Site

Existing residential rzlt fl0000001964 · Buildable

Existing Residential (RZLT FL0000001964)

Castleknock · FingalNew

56Worth a lookOn the RZLT map (3% land tax)· Residential Zoned Land Tax

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

1 more reason

8.58 ha zoned R2 (RS - Residential: Provide for residential development and protect and improve re) · source, 5 Apr 2023

On the RZLT map, no permission

Area: 8.58 ha
Zoning: R2
Homes: 240–686 homes (indicative density 35 100dph)
ACP 501383: Refuse permission: 8 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

240–686 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: 31

Appeals

Total: 4
Tagged: 2

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
appeal_decided	appeal	13 Aug 2026	8 Oct 2026	jr	ACP 501383: Refuse permission
appeal_decided	appeal	21 Aug 2026	16 Oct 2026	jr

More in Fingal: 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

Judicial review window closes (s.50, 8 weeks) ends 8 Oct 2026 13 days
501383: Construction of an extension
source
Judicial review window closes (s.50, 8 weeks) ends 16 Oct 2026 21 days
501378: Construction of extension
source

13 Oct 2026 Commencement notice · 128 m
Work commenced at 4 Riverwood Drive, Dublin, D15 H0C1 under FW26A/0227E
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
16 Sept 2026 Commencement notice · 0 m
Work commenced at 18 Riverwood Grove, Dublin 15, Dublin, D15 K4KX under FW26A/0151E (1 dwelling unit)
source
27 Aug 2026 Decision · 24 m
FW26A/0017E: GRANT TIME EXT (3 months) AI — The Electricity Supply Board (ESB) intends to apply for permission for
source
26 Aug 2026 Appeal received by the Commission · 0 m
ACP 501972: Attic Conversion and all other associate site works.
source
21 Aug 2026 Appeal decided · 0 m
ACP 501378: Grant permission with revised conditions
source
20 Aug 2026 New application · 207 m
FW26A/0327E: application received — The development will consist of an attic conversion including a change
source
17 Aug 2026 Further information requested · 107 m
FW26A/0254E: further information requested — The development will consist of the construction of a two-storey over
source
13 Aug 2026 Appeal decided · 102 m
ACP 501383: Refuse permission
source
30 Jul 2026 Decision · 0 m
FW26A/0238E: REFUSE PERMISSION — Attic conversion for storage purposes incorporating a full raised side
source
29 Jul 2026 Commencement notice · 148 m
Work commenced at 8 Luttrellpark Grove, Dublin, D15 HHX6 under FW26A/0048E (1 dwelling unit)
source
28 Jul 2026 Commencement notice · 20 m
Work commenced at 1 Luttrellstown Thicket, Dublin, D15 Y7V7 under FW26A/0078E (1 dwelling unit)
source
27 Jul 2026 Decision · 122 m
FW26A/0227E: GRANT PERMISSION — Conversion of existing attic space comprising of modification of exist
source
27 Jul 2026 Decision · 0 m
FW26A/0300E: Invalid Application — Cian and Sheila Hanley intend to apply for Planning Permission for dev
source
27 Jul 2026 New application · 0 m
FW26A/0304E: application received — Cian and Sheila Hanley intend to apply for Planning Permission for dev
source
24 Jul 2026 New application · 0 m
FW26A/0300E: application received — Cian and Sheila Hanley intend to apply for Planning Permission for dev
source
2 Jul 2026 Decision · 224 m
FW26A/0189E: GRANT PERMISSION — New ground floor extension to rear, New Partial 1st floor extension to
source
24 Jun 2026 Decision · 107 m
FW26A/0254E: REQUEST ADDITIONAL INFORMATION — The development will consist of the construction of a two-storey over
source
24 Jun 2026 New application · 107 m
FW26A/0254E: application received — The development will consist of the construction of a two-storey over
source
19 Jun 2026 Appeal received by the Commission · 0 m
ACP 501587: Re-modelling of roof and all associated site works.
source
19 Jun 2026 Appeal lodged · 0 m
FW26A/0158E: appealed to An Coimisiún Pleanála (PL-501587-DF-26) — Planning Permission for the re-modelling of the existing roof to chang
source
11 Jun 2026 New application · 0 m
FW26A/0238E: application received — Attic conversion for storage purposes incorporating a full raised side
source
9 Jun 2026 Commencement notice · 50 m
Work commenced at 3 Riverwood Chase, Dublin 15, Dublin, D15 E2T9 under FW25A/0509E
source
5 Jun 2026 Decision · 0 m
FW26A/0158E: GRANT PERMISSION — Planning Permission for the re-modelling of the existing roof to chang
source
5 Jun 2026 New application · 122 m
FW26A/0227E: application received — Conversion of existing attic space comprising of modification of exist
source
4 Jun 2026 Commencement notice · 0 m
Work commenced at 24 Riverwood Green, Dublin 15, Dublin, D15 H3F2 under FW25A/0489
source
2 Jun 2026 Decision · 0 m
FW26A/0151E: GRANT PERMISSION — An attic conversion to non-habitable area, which incorporates the gabl
source
2 Jun 2026 Decision · 123 m
FW26A/0145E: GRANT PERMISSION — (i) Proposed demolition of the existing single storey pitched roof, ro
source
26 May 2026 Decision · 163 m
FW26A/0140E: GRANT PERMISSION — The proposed development will consist of : A two-storey two bedroom ex
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: 6
Homes: 990
Started: 427
Sites started: 3
Unbuilt: 477
Sites unbuilt: 2
Sites lapsing: 0
Sites lapsed: 0
Appealed: 86
Sites appealed: 1
Started pct: 43
Not started: 477

As of

Computed at: 2026-09-19T06:05:22+00:00
Sites in table: 4,168

Sites (6)

Source	Council	Ref	Name	Address	Units
application	FINGAL	LRD0052/S3E	Porterstown	Townland of Porterstown, Clonsilla,, Dublin 15	302
application	FINGAL	LRD0056/S3E

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 (9)

Objective text	Plan id	Fetched at	Code	Label	Meaning
OS - Open Space: Provide recreational and amenity resources for urban and rural populations subject to strict development controls. Only community facilities…	FINGAL_DP_OWN	11 Sept 2026	—	—	—
OS - Open Space: Provide recreational and amenity resources for urban and rural populations subject to strict development controls. Only community facilities…	FINGAL_DP_OWN	11 Sept 2026	—	—	—
RS - Residential: Ensure that any new development in existing areas would have a minimal impact on and enhance existing residential amenity.	FINGAL_DP_OWN	11 Sept 2026	—	—	—
OS - Open Space: Provide recreational and amenity resources for urban and rural populations subject to strict development controls. Only community facilities…	FINGAL_DP_OWN	11 Sept 2026	—	—	—
RD - Road: N/A	FINGAL_DP_OWN	11 Sept 2026	—	—	—
OS - Open Space: Preserve and provide for open space and recreational amenities	Fl-001:DP:the-fingal-development-plan-2023-2029	11 Sept 2026	G4	Open space	Open space and recreational amenity, to be preserved as such.
OS - Open Space: Preserve and provide for open space and recreational amenities	Fl-001:DP:the-fingal-development-plan-2023-2029	11 Sept 2026	G4	Open space	Open space and recreational amenity, to be preserved as such.
OS - Open Space: Preserve and provide for open space and recreational amenities	Fl-001:DP:the-fingal-development-plan-2023-2029	11 Sept 2026	G4	Open space	Open space and recreational amenity, to be preserved as such.
RS - Residential: Provide for residential development and protect and improve residential amenity	Fl-001:DP:the-fingal-development-plan-2023-2029	11 Sept 2026	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 text is quoted from the development plan as published on MyPlan (GZT). The plain-English line is our gloss. Sources: zoning, 19 Sept 2026; rzlt, 18 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: 192
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 25 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
Zoning · as of 5 Apr 2023
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 18 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 19 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 25 Sept 2026 — Rebuilt nightly from the layers above.
Scores: as of 25 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 25 Sept 2026.

Name	Sites	Homes
Castlethorn Developments Luttrellstown Limited	1	302
Developments Limited	1	175
B&C Contractors Carpenterstown Limited	1	86

Public land nearby

Radius m: 1,000

Council items (1)

Council	Committee	Meeting at	Item no	Title	Kind
FINGAL	County Council	7 Jul 2025	F/312/25	Proposed Disposal of land at Porterstown Road, Porterstown, Dublin 15 to Castlethorn Developments Luttrellstown Limited	s183_disposal

Sources: lda_lands, 11 Sept 2026; moderngov, 25 Sept 2026

Transport and schools

Radius m: 1,000
Stop count: 21
Facility count: 2

Stops (10)

Agency	Stop id	Name	Distance m
nta	8240DB004825	Bramley Walk	195.4
nta	8240DB007233	Bramley Park	197.3
nta	8240DB001680	Bramley Walk	251.9
nta	8240DB004575	Carpenterstown Road	254.1
nta	8240DB004520	Sycamore Drive	367.7
nta	8240IR0040	Coolmine	392.8
nta	8240DB004898	Castleknock College	418
nta	8240DB001681	Sycamore Drive	429.8
nta	8240DB004893	Diswellstown Road	430.6
nta	8240DB004573	Burnell Park Avenue	457.5

Schools (2)

Kind	Ref	Name	Council	Distance m
school_postprimary	76062B	Castleknock Community College	FINGAL	225.6
school_primary	20130B	ST PATRICKS NS	FINGAL	600.4

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

Existing Residential (RZLT FL0000001964)

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 (6)

Zoning, services and constraints

Zoning and the RZLT map

Rzlt

Zones (9)

Constraints

Kinds (1)

Water and drainage

Masked

Links (3)

More detail

On the market

All sales

Sources

Applicants (3)

Public land nearby

Council items (1)

Transport and schools

Stops (10)

Schools (2)