Site

Existing residential no density specification possible rzlt · Buildable

Existing residential, No density specification possible (RZLT DELA00001484)

Stillorgan · 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 2,592 m² of buildings on 0.64 ha (plot ratio 0.41, 2 storeys max) · source, 25 Sept 2026
0.64 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: 0.64 ha
Zoning: R2
Homes: 17–51 homes (indicative density 35 100dph)
D26B/0485/WEB: application received — The development will consist of; dormer extension to the rear of attic, and all: 13 Oct 2026

Get an email when anything changes on this site.

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

17–51 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: 26

Appeals

Total: 6
Tagged: 5

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: 1

Clocks (1)

Kind	Entity type	Occurred at	Deadline at	Deadline kind	Summary
application_received	application	8 Sept 2026	13 Oct 2026	observation	D26B/0485/WEB: application received — The development will consist of; dormer extension to the rear of attic, and all

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 13 Oct 2026 17 days
D26B/0485/WEB: The development will consist of; dormer extension to the rear of attic, and all
source
Observations close (s.34, 5 weeks) ends 20 Oct 2026 24 days
D26A/0693/WEB: The proposed development consists of amendments to a previously permitted medica
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 2,592 m² of buildings on 0.64 ha (plot ratio 0.41, 2 storeys max)
source
15 Sept 2026 New application · 233 m
D26A/0693/WEB: application received — The proposed development consists of amendments to a previously permitted medica
source
14 Sept 2026 Commencement notice · 0 m
Work commenced at 52 Coolnevaun, Dublin, A94 Y0C5 under D26A/0138/WEB (1 dwelling unit)
source
8 Sept 2026 New application · 0 m
D26B/0485/WEB: application received — The development will consist of; dormer extension to the rear of attic, and all
source
24 Aug 2026 Commencement notice · 170 m
Work commenced at 30 Merville Avenue, Dublin, A94 YH50 under D25B/0185/WEB (1 dwelling unit)
source
29 Jul 2026 Decision · 216 m
D26B/0345/WEB: GRANT PERMISSION FOR RETENTION — The development consists of the partial demolition of a section of existing wal
source
24 Jun 2026 Appeal decided · 100 m
ACP 500958: Refuse permission
source
12 Jun 2026 New application · 216 m
D26B/0345/WEB: application received — The development consists of the partial demolition of a section of existing wal
source
8 Jun 2026 Commencement notice · 154 m
Work commenced at 75 Allen Park Road, Dublin, A94 F850 under D26A/0105/WEB (1 dwelling unit)
source
29 May 2026 Commencement notice · 232 m
Work commenced at 19 Merville Avenue, Dublin, Dún Laoghaire-Rathdown, A94 WP78 under D25A/0166/WEB (1 dwelling unit)
source
26 May 2026 Appeal received by the Commission · 221 m
ACP 501428: Demolition and replacement of side extension with associated works.
source
26 May 2026 Appeal lodged · 221 m
D26A/0175/WEB: appealed to An Coimisiún Pleanála (PL-501428-DR-26) — The proposed development will consist of the demolition of an existing flat roo
source
12 May 2026 Decision · 0 m
D26A/0224/WEB: GRANT PERMISSION — The development will consist of the demolition of existing single storey extens
source
7 May 2026 Commencement notice · 163 m
Work commenced at 35 Merville Avenue, Dublin, A94 KP46 under D25A/0735/WEB (1 dwelling unit)
source
29 Apr 2026 Decision · 221 m
D26A/0175/WEB: REFUSE PERMISSION — The proposed development will consist of the demolition of an existing flat roo
source
21 Apr 2026 Decision · 0 m
D26A/0138/WEB: GRANT PERMISSION — a) demolition of outbuildings to the rear of existing dwelling adjoining neighb
source
10 Apr 2026 Commencement notice · 139 m
Work commenced at 17 Coolnevaun, Blackrock, Dún Laoghaire-Rathdown, A94 Y8N4 under D25B/0473 (1 dwelling unit)
source
9 Apr 2026 Decision · 144 m
D26A/0105/WEB: GRANT PERMISSION — Planning permission is sought for development. The development will consist of
source
25 Mar 2026 New application · 0 m
D26A/0224/WEB: application received — The development will consist of the demolition of existing single storey extens
source
6 Mar 2026 Appeal received by the Commission · 100 m
ACP 500958: Retention and completion of alterations to existing entrance including widening of entrance and an increase in height of
source
6 Mar 2026 New application · 221 m
D26A/0175/WEB: application received — The proposed development will consist of the demolition of an existing flat roo
source
6 Mar 2026 Appeal lodged · 100 m
D25A/0966/WEB: appealed to An Coimisiún Pleanála (PL-500958-DR-26) — Retention and completion of alterations to existing entrance including widening
source
26 Feb 2026 New application · 0 m
D26A/0138/WEB: application received — a) demolition of outbuildings to the rear of existing dwelling adjoining neighb
source
20 Feb 2026 Sale recorded (PPR) · 144 m
€881,000 · 5 ALLEN PARK DR, STILLORGAN, DUBLIN · second-hand
source
17 Feb 2026 New application · 144 m
D26A/0105/WEB: application received — Planning permission is sought for development. The development will consist of
source
12 Feb 2026 Decision · 100 m
D25A/0966/WEB: REFUSE PERMISSION — Retention and completion of alterations to existing entrance including widening
source
12 Dec 2025 New application · 100 m
D25A/0966/WEB: application received — Retention and completion of alterations to existing entrance including widening
source
11 Dec 2025 Appeal decided · 229 m
ACP 323757: Refuse Permission
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: 13
Homes: 1,954
Started: 1,587
Sites started: 8
Unbuilt: 265
Sites unbuilt: 4
Lapsing: 102
Sites lapsing: 1
Sites lapsed: 0
Sites appealed: 0
Started pct: 81
Not started: 367

As of

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

Sites (13)

Source	Council	Ref	Name	Address	Units
shd	DLR	ABP-311722	Siemens Site	Former Siemens Site, Corner of Blackthorn Avenue and Ballymoss Road, Sandyford Industrial Estate, Dublin 18. (www.siemenssiteshd.ie)	190
shd

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 (2)

Code	Label	Meaning	Objective text	Plan id	Valid from
G1	Open space with recreation	Open space with active recreational amenities — pitches, courts, play areas.	Objective F: F To preserve and provide for open space with ancillary active recreational amenities.	DR-001:DP:county-development-plan-2022-2028	1 Apr 2022
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	3

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: 288
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 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 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
Palemink Limited	1	190
KW PRS ICAV	1	102

Transport and schools

Radius m: 1,000
Stop count: 54
Facility count: 7

Stops (10)

Agency	Stop id	Name	Distance m
nta	8250DB000445	Kilmacud House	280
nta	8250DB004460	Whately Place	281.7
nta	8250DB003322	Stillorgan SC	284.6
nta	8250DB003563	Kilmacud Road Lower	290
nta	8250DB000444	Kilmacud Park	308.5
nta	8250DB004477	Kilmacud Road Lower	323
nta	8250DB000453	Kilmacud Park	347.8
nta	8250DB003321	Stillorgan SC	373.8
nta	8250DB002879	Marsham Court	410.4
nta	8250DB005045	St Raphaela's Road	425.6

Schools (7)

Kind	Ref	Name	Council	Distance m
school_primary	16893I	S N NAOMH LORCAN	DLR	325.1
school_postprimary	60361V	St Raphaela's Secondary School	DLR	340.2
school_primary	17470I	ST RAPHAELAS N S	DLR	473
school_primary	16794G	ST BRIGIDS N S	DLR	519.9
school_primary	17954H	Oatlands Primary School, An Edmund Rice School	DLR	566.7
school_postprimary	60050E	Oatlands College	DLR	720.7
school_primary	17979A

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

Existing residential, No density specification possible (RZLT DELA00001484)

What could be built

What it might be worth

Planning history

Planning on and around the site

Near

Appeals

Deadlines running

Clocks (1)

Similar schemes nearby

Base rates (2)

What's happening nearby

Recent activity within 250 m

Homes planned nearby

Totals

As of

Sites (13)

Zoning, services and constraints

Zoning and the RZLT map

Rzlt

Zones (2)

Constraints

Kinds (1)

Water and drainage

Masked

Links (3)

More detail

On the market

All sales

Sources

Applicants (2)

Public land nearby

Transport and schools

Stops (10)

Schools (7)