Site

Existing residential rzlt fl0000001142 · Buildable

Existing Residential (RZLT FL0000001142)

Castleknock · FingalNew

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 6,958 m² of buildings on 1.69 ha (plot ratio 0.41, 2 storeys max) · source, 25 Sept 2026
1.69 ha zoned R2 (RS - Residential: Provide for residential development and protect and improve re) · source, 5 Apr 2023

On the RZLT map, no permissionUnderused site

Area: 1.69 ha
Zoning: R2
Homes: 47–134 homes (indicative density 35 100dph)
FW26A/0333E: application received — Planning Permission for attic conversion with hip to gable roof and do: 1 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

47–134 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: 24

Appeals

Total: 3
Tagged: 1

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
application_received	application	27 Aug 2026	1 Oct 2026	observation	FW26A/0333E: application received — Planning Permission for attic conversion with hip to gable roof and do
decision

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

Observations close (s.34, 5 weeks) ends 1 Oct 2026 5 days
FW26A/0333E: Planning Permission for attic conversion with hip to gable roof and do
source
Appeal window closes (s.37, 4 weeks) ends 5 Oct 2026 9 days
FW26A/0295E: The development will consist of an attic conversion with new stair acc
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 6,958 m² of buildings on 1.69 ha (plot ratio 0.41, 2 storeys max)
source
7 Sept 2026 Decision · 0 m
FW26A/0295E: GRANT PERMISSION — The development will consist of an attic conversion with new stair acc
source
27 Aug 2026 Decision · 78 m
FW26A/0017E: GRANT TIME EXT (3 months) AI — The Electricity Supply Board (ESB) intends to apply for permission for
source
27 Aug 2026 New application · 0 m
FW26A/0333E: application received — Planning Permission for attic conversion with hip to gable roof and do
source
21 Aug 2026 Decision · 155 m
FW26A/0270E: GRANT PERMISSION — For the construction of a single storey extension (20.8m2) to the rear
source
21 Jul 2026 New application · 0 m
FW26A/0295E: application received — The development will consist of an attic conversion with new stair acc
source
3 Jul 2026 New application · 155 m
FW26A/0270E: application received — For the construction of a single storey extension (20.8m2) to the rear
source
19 May 2026 Decision · 159 m
FW26A/0130E: GRANT PERMISSION — The development will consist of alterations to the existing roof by ex
source
1 Apr 2026 New application · 159 m
FW26A/0130E: application received — The development will consist of alterations to the existing roof by ex
source
12 Mar 2026 Further information requested · 78 m
FW26A/0017E: further information requested — The Electricity Supply Board (ESB) intends to apply for permission for
source
16 Jan 2026 Decision · 78 m
FW26A/0017E: REQUEST ADDITIONAL INFORMATION — The Electricity Supply Board (ESB) intends to apply for permission for
source
16 Jan 2026 New application · 78 m
FW26A/0017E: application received — The Electricity Supply Board (ESB) intends to apply for permission for
source
27 Nov 2025 Appeal decided · 70 m
ACP 323151: Grant permission with revised conditions
source
23 Sept 2025 Sale recorded (PPR) · 217 m
€377,500 · 6 ASHLEIGH COURT, CASTLEKNOCK, DUBLIN 15 · second-hand
source
12 Sept 2025 Commencement notice · 101 m
Work commenced at 47 Castleknock Elms, Castleknock, Fingal, D15 AE84 under FW25A/0038E (1 dwelling unit)
source
11 Sept 2025 Sale recorded (PPR) · 71 m
€625,000 · 13 CASTLEKNOCK AVE, LAUREL LODGE, DUBLIN 15 · second-hand
source
28 Jul 2025 Appeal received by the Commission · 70 m
ACP 323151: Retention of demolition of wall. 'Construction of extension with all associated site works
source
28 Jul 2025 Appeal lodged · 71 m
FW25A/0208E: appealed to An Coimisiún Pleanála (ACP-323151-25) — Retention permission is being sought for part of the devlopment compri
source
28 Jul 2025 Decision · 13 m
FW25A/0250E: GRANT PERMISSION — New front porch extension with side window to gable wall to existing 2
source
18 Jul 2025 Sale recorded (PPR) · 0 m
€741,936 · 16A CASTLEKNOCK DALE, CASTLEKNOCK, DUBLIN 15 · second-hand
source
1 Jul 2025 Decision · 71 m
FW25A/0208E: GRANT PERMISSION & GRANT RETENTION — Retention permission is being sought for part of the devlopment compri
source
11 Jun 2025 New application · 13 m
FW25A/0250E: application received — New front porch extension with side window to gable wall to existing 2
source
9 Jun 2025 Commencement notice · 28 m
Work commenced at 40 Castleknock Grove, Fingal, D15 AE63 under FW25A/0046 (1 dwelling unit)
source
12 May 2025 New application · 71 m
FW25A/0208E: application received — Retention permission is being sought for part of the devlopment compri
source
8 May 2025 Decision · 70 m
FW25A/0191E: Invalid Application — Retention permission is sought for the demolition of a front garden wa
source
3 May 2025 New application · 70 m
FW25A/0191E: application received — Retention permission is sought for the demolition of a front garden wa
source
14 Apr 2025 Decision · 79 m
FW25A/0056E: GRANT PERMISSION FOR RETENTION — The development will consist of the retention of existing detached hom
source
27 Mar 2025 Decision · 14 m
FW25A/0046: GRANT PERMISSION — The development will consist of the construction of a front porch exte
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: 2
Homes: 296
Sites started: 0
Sites unbuilt: 0
Sites lapsing: 0
Lapsed: 210
Sites lapsed: 1
Appealed: 86
Sites appealed: 1
Started pct: 0
Not started: 0

As of

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

Sites (2)

Source	Council	Ref	Name	Address	Units
application	FINGAL	FW25A/0380E	Carpentersto	A site comprising The Orchard and The Orchard Gate Lodge, Carpentersto	86
shd	FINGAL	ABP-307976

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 (3)

Objective text	Plan id	Fetched at	Code	Label	Meaning
RD - Road: N/A	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	—	—	—
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, 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: 196
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
Built well below what the zoning allows · as of 25 Sept 2026
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 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 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 26 Sept 2026.

Name	Sites	Homes
Bartra Property (Castleknock) Limited	1	210
B&C Contractors Carpenterstown Limited	1	86

Transport and schools

Radius m: 1,000
Stop count: 30
Facility count: 7

Stops (10)

Agency	Stop id	Name	Distance m
nta	8240DB007380	Parklands	129.9
nta	8240DB001686	Parklands	151.5
nta	8240DB001675	Ashleigh Green	238.1
nta	8240DB001687	Ashleigh Green	256.3
nta	8240DB001674	Hawthorn Lawn	295.9
nta	8240DB001849	Park Lodge	309.1
nta	8240DB001676	Castleknock Avenue	309.2
nta	8240DB001685	Castleknock Vale	320
nta	8240IR0031	Castleknock	393
nta	8240DB001688	Oak Lawns	463.1

Schools (7)

Kind	Ref	Name	Council	Distance m
school_primary	19769W	SCOIL THOMAIS	FINGAL	477.9
school_primary	20098I	Castleknock Educate Together NS	FINGAL	559.7
school_primary	00697S	ST BRIGIDS MXD N S	FINGAL	653.3
school_primary	18046A	SCOIL BRIDE B	FINGAL	702
school_primary	18623M	SCOIL NAISUNTA CHNUACHA	FINGAL	704.2
school_primary	18047C	SCOIL BRIDE C	FINGAL	759.2
school_primary

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

Existing Residential (RZLT FL0000001142)

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 (2)

Zoning, services and constraints

Zoning and the RZLT map

Rzlt

Zones (3)

Constraints

Kinds (1)

Water and drainage

Masked

Links (3)

More detail

On the market

All sales

New build

Sources

Applicants (2)

Public land nearby

Transport and schools

Stops (10)

Schools (7)