4 Hyde Park, Glenageary, Dublin A96 K7X9
First-floor extension over an existing granny flat to add two new bedrooms.
D20B/0184 · Dun Laoghaire Rathdown County Council · Lodged 26 June 2020
- Reference
- D20B/0184
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 26 June 2020
Summary
AI-generatedPermission is sought for extensions and alterations to an existing granny flat. The works comprise a full-length first-floor flat roof extension over the previously converted garage, including ground floor alterations and two new upstairs bedrooms.
- Storeys
- 2
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 extension and alterations to the existing granny flat, comprising of a full length first floor, flat roof extension over the previously permitted converted garage/now granny flat to the side of the main dwelling; including ground floor alterations and 2 new bedrooms upstairs. Including all associated site and removal works.
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 18 June 2021.
Notified floor area: 30.05 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 19 Hyde Park, Dalkey, Dublin | Sept 2025 | €1,400,000 | 90 m |
| 26 Castlelands Grove, Dalkey, Dublin | Aug 2025 | €575,000 | 92 m |
| Apartment 28, Castle Park Residence, Castle Park Road | May 2025 | €20,000 | 170 m |
| 1 Castlelands, Hyde Road, Dalkey | Jun 2026 | €1,750,000 | 178 m |
| Apt 1 Castlepark Gardens, Castlepark Rd, Dalkey | Aug 2025 | €425,000 | 199 m |
| 5 Castlepark Gardens Residence, Castlepark Road, Sandycove | May 2025 | €583,400 | 199 m |
| 48 Castlepark Road, Sandycove, Dun Laoghaire | Aug 2025 | €1,750,000 | 225 m |
| 23 Elton Park, Sandycove | Jan 2010 | €1,800,000 | 244 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 received26 June 2020
- Decision issued20 August 2020
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 extension and alteration works to the existing granny flat attached to the main…
4, Hyde Park, Glenageary, Dublin, A96K7X9
D20A/0932Dún Laoghaire–RathdownLodged 10 Dec 2020Extension
- RefusedAt this site
2 no. 2 storey semi-detached single family dwellings comprising each of study, WC, Kitchen/ Dining area,…
5 & 6, Hyde Park, Dalkey, Co Dublin
D06A/1843Dún Laoghaire–RathdownLodged 13 Dec 2006New dwelling
- Granted30 m away
Permission for works to an existing house. The development will consist of the renovation and alteration of…
Woodmere, 2, Hyde Park, Dalkey, Glenageary, Co Dublin, A96A2H3
D20B/0370Dún Laoghaire–RathdownLodged 16 Nov 2020Extension
- Granted40 m away
Permission for development consisting of: (1) A first floor extension and dormer style window to the rear of…
1, Hyde Park, Hyde Road, Dalkey, Co. Dublin
D13B/0361Dún Laoghaire–RathdownLodged 11 Nov 2013Extension
- Granted40 m away
Permission is sought for (1) Extension to the rear of the side building of the house and front door access to…
1, Hyde Park, Hyde Road, Dalkey, Co. Dublin
D13A/0400Dún Laoghaire–RathdownLodged 7 Aug 2013Extension
- Granted50 m away
Demolition of single storey shed to existing dwelling. Also construction of new 2 storey new extension to…
8, HYDE PARK, DALKEY, CO. DUBLIN.
D04B/0658Dún Laoghaire–RathdownLodged 25 Aug 2004Extension
- Granted60 m away
Proposed ground floor developments comprising demolition and reconstruction / enlargement of utility room and…
10, Hyde Park, Dalkey, Co. Dublin.
D05B/0415Dún Laoghaire–RathdownLodged 3 Jun 2005Extension
- Granted60 m away
Permission for development consisting of: (1) demolition of single storey extension to the side of the…
9, Hyde Park, Dalkey, Co. Dublin.
D13B/0298Dún Laoghaire–RathdownLodged 9 Sept 2013Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Awaiting decisionRetention
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- Awaiting decisionExtension
Permission for the construction of a granny flat extension to the side and rear of an existing dwelling. The…
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Permission for extension to side and rear of existing dwelling house along with modifications to fenestration…
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