24 Trafalgar Lane, Monkstown The site is located within the curtilage of 43 Seapoint Avenue, a Protected Structure, and within an Architectural Conservation Area
Alterations to a previously approved development within the curtilage of a protected structure at 24 Trafalgar Lane.
D21A/0177 · Dun Laoghaire Rathdown County Council · Lodged 3 March 2021
- Reference
- D21A/0177
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 March 2021
Summary
AI-generatedPermission is sought for alterations to planning permission ref: D10A/0142. The changes include window alterations to retain more of the existing openings, changing a flat roof section to a pitched roof, adding a new pedestrian gate, and omitting a flat roof over a car parking space.
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
Permission is sought for development. The development will consist of: alteration to planning permission ref: d10a/0142. Alteration of windows to retain more of existing openings. Change of flat roofed section onto belgrave terrace to a pitched of. (the eaves level will be 1340mm lower and the ridge level will be 560mm higher than the granted flat roof. ) new pedestrian gate into the rear garden from belgrave terrace. Omission of flat roof over car parking space and straightening of angled bed...
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
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 planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Built — construction complete
A commencement notice records works starting on 3 November 2022.
Notified floor area: 170 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 46 Belgrave Sq West, Monkstown, Dublin | Feb 2025 | €2,620,000 | 94 m |
| 13 Trafalgar Terrace, Monkstown, Dublin | Sept 2025 | €3,370,000 | 104 m |
| 44 Belgrave Square West, Monkstown, Co Dublin | Sept 2025 | €3,400,000 | 112 m |
| 15 Eaton Sq, Monkstown, Dublin | Feb 2026 | €2,600,000 | 148 m |
| 13 Eaton Sq, Monkstown, Dublin | Nov 2025 | €2,000,000 | 164 m |
| 12 Alma Rd, Monkstown, Dublin | Mar 2025 | €1,900,000 | 175 m |
| 18 Belgrave Sq North, Monkstown, Dublin | Sept 2025 | €2,120,000 | 186 m |
| Basement Apt, 19 Belgrave Square, Monkstown | Jan 2025 | €1,121,544 | 194 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 received3 March 2021
- Decision issued24 April 2021
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission is sought for the renovation and redevelopment of the existing derelict mews and adjacent…
24, Trafalgar Lane, Monkstown, Co. Dublin (within curtilage of 43,Seapoint Avenue)
D10A/0142Dún Laoghaire–RathdownLodged 11 Mar 2010New dwelling
- RefusedAt this site
Renovation of the roofless mews as a dwelling and the erection of a two-storey dwelling and the erection of a…
24, 24a, Trafalgar Lane, Monkstown, Co. Dublin.
D07A/0702Dún Laoghaire–RathdownLodged 6 Feb 2008New dwelling
- GrantedAt this site
Permission is sought for the restoration of the previously derelict mews (now partially renovated under…
24 Trafalgar Lane, Monkstown The site is located within the curtilage of 43 Seapoint Avenue, a Protected Structure, and within an Architectural Conservation Area
D21A/0452Dún Laoghaire–RathdownLodged 20 May 2021New dwelling
- Granted40 m away
Permission sought for a 2 storey extension to the rear of the mews (A Protected Structure), internal…
20, Trafalgar Lane, Monkstown, Co Dublin
D08A/0131Dún Laoghaire–RathdownLodged 30 Jun 2008Extension
- Refused40 m away
Permission for a two storey extension to rear of The Mews, 20 Trafalgar Lane, Monkstown (a protected…
20, Trafalgar Lane, Monkstown, Co Dublin
D06A/1731Dún Laoghaire–RathdownLodged 28 Nov 2006Extension
- Granted40 m away
The demolition of the existing garage (18.4sq.m) and the construction of a new garage (48.4sq.m) to the rear…
19, Belgrave Road, Monkstown, Co. Dublin
D08B/0686Dún Laoghaire–RathdownLodged 23 Sept 2008Extension
- Granted40 m away
Permission for development at the rear of 1 Belgrave Square North (a Protected Structure, RPS 430). The…
1, Belgrave Square North, Monkstown, Blackrock, Dublin, A94KC81
D23A/0759/WEBDún Laoghaire–RathdownLodged 1 Dec 2023Alterations
- Granted40 m away
Permission for a dormer window to rear and associated site works
Casa Majú, 9 Belgrave Road, Monkstown, Co Dublin
D18A/0259Dún Laoghaire–RathdownLodged 26 Mar 2018Extension
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