Part granted, part refusedRetentionDecided 1 October 2025

14A/15A, Monkstown Crescent, Monkstown, Blackrock, Dublin, A94X0P0 (ACA)

Retention of amendments to a previously permitted development in Monkstown, including roof and elevation changes.

D25A/0517/WEB · Dun Laoghaire Rathdown County Council · Lodged 5 September 2025

Reference: D25A/0517/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 5 September 2025

Summary

AI-generated

Retention permission is sought for modifications to a previously approved development. Changes include a reduced curved roof, a higher rear elevation wall, an increased setback from the boundary of 15a Longford Terrace, replacing a window with a door, and installing a rear access ladder to the green roof.

Retentionretentionacaamendment

Floor area: 573 m²

Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.

Official record

Development description

Retention permission is sought for amendments to the development previously permitted under ref. D21a/0869 (abp ref. 312286-21). The development includes: (1) amendment to the rear of the building including a reduced curved roof and higher rear elevation wall and set back of the north elevation of the building by 6.3 metres from the boundary of house number 15a longford terrace. The permitted set back was 5 metres. The gross floor area of the overall property has reduced from 583sqms to 573sqms. (2) replacement of window with a door at the front elevation. (3) the installation of a rear access ladder providing access to the green roof. All works carried out and any work required to complete the development. An architectural conservation area.

Land-use zoning

What this land is zoned for

Objective NCDC

“NC To protect, provide for and-or improve mixed-use neighbourhood centre facilities.”

National zoning type: District, neighbourhood centre

Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.

Read the zoning objectives in the development plan

Built & sold

What happened next

Beyond the decision: whether this development was built, and what property here has sold for.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
15a The Mews, Longford Terrace, Monkstown	Dec 2025	€800,000	16 m
10 Longford Terrace, Monkstown, Dublin	Aug 2025	€4,025,000	64 m
Longford Lodge, 25 Monkstown Crescent, Monkstown Blackrock	Mar 2026	€1,350,000	125 m
Apt 10 - Salthill, Monkstown, Blackrock	Apr 2026	€905,000	137 m
13 Salthill Apts, Monkstown, Co Dublin	May 2025	€595,000	140 m
Apt 17, Salthill Apts, Monkstown	Oct 2025	€610,000	140 m
21 Salthill Apts, Monkstown, Dublin	Mar 2025	€1,050,000	142 m
Pakenham Lodge, Pakenham Road, Monkstown	Jul 2026	€2,150,000	167 m

Nearby properties, not this site — a guide to local values.

Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.

Key dates

Timeline

Application received5 September 2025
Decision due2 October 2025
Decision issued1 October 2025
Appeal submitted28 October 2025
Appeal decided9 March 2026

In the area

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