16, Liffey Downs, Liffey Valley Park, Lucan, Co. Dublin
Attic conversion with roof modifications and a Dutch hip gable at 16 Liffey Downs.
SD21B/0180 · South Dublin County Council · Lodged 31 March 2021
- Reference
- SD21B/0180
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 March 2021
- Floor area
- 22.7 m²
Summary
AI-generatedThe project involves the conversion of the existing attic space. It includes modifying the roof structure, raising the existing gable with a Dutch hip and window, installing a new access stairs, and adding two roof windows to the rear.
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
Conversion of existing attic space comprising of modification of existing roof structure; raise existing gable c/w window and 'dutch' hip; new access stairs and 2 roof windows to the rear.
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin 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 15 July 2021.
Notified floor area: 114.42 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 12 Liffey Downs, Liffey Valley Park, Lucan | Mar 2025 | €400,000 | 11 m |
| 4 Liffey Downs, Liffey Valley Park, Lucan | Feb 2026 | €360,000 | 32 m |
| 2 Liffey Downs, Liffey Valley Park, Lucan | Jun 2025 | €380,000 | 38 m |
| 15 Liffey Place, Liffey Valley Park, Lucan | Apr 2026 | €400,000 | 53 m |
| 8 Liffey Glen, Liffeyvalley Park, Lucan | May 2025 | €405,000 | 57 m |
| 15 Ballyowen Hall, Lucan, Dublin | Jan 2025 | €314,000 | 84 m |
| 3 Liffey Glen, Liffey Valley Park, Lucan | Jun 2026 | €450,000 | 87 m |
| 4 Liffey Row, Lucan, Dublin | Aug 2025 | €515,000 | 113 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 received31 March 2021
- Decision due25 May 2021
- Decision issued21 May 2021
- Grant issued25 June 2021
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Change of house type from 8 no. 4-bed detached J-type houses to 8 no. 4-bed detached B-type houses; minor…
Phase 4, Liffey Valley Park, Lucan, Co. Dublin.
SD02A/0168South DublinLodged 23 May 2002Alterations
- Invalid30 m away
Planning for Retention of a c.40sqm prefabricated garden room/granny flat in the rear garden
11 Liffey Downs, Liffey Valley Park, Lucan, K78PK40
SD26B/0018WSouth DublinLodged 8 Jan 2026Retention
- Refused30 m away
Retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home
11, Liffey Downs, Liffey Valley Park, Lucan, K78 PK40
SD26A/0024WSouth DublinLodged 27 Jan 2026Retention
- Granted50 m away
Modifications to layout on roads 2,3 and 5 being part of existing permitted development at Liffey Valley Park…
Ballyowen Lane, Lucan, County Dublin,with access off Liffey Valley Avenue(under , construction),and an upgraded Ballyowen Lane.
S00A/0826South DublinLodged 30 Nov 2000Housing estate
- Granted60 m away
Conversion of existing attic space comprising of modification of existing roof structure, raising of existing…
19, Liffey Place, Lucan, Dublin, K78 E129
SD24B/0061South DublinLodged 22 Feb 2024Extension
- Granted60 m away
Conversion of existing attic space comprising of modification of existing roof structure, raising of existing…
3, Liffey Road, Liffey Valley Park, Lucan, Co. Dublin
SD24B/0527WSouth DublinLodged 25 Nov 2024Extension
- Refused80 m away
Retention of change of use of part of ground floor from habitual room to Irish Muslim Centre & permission of…
1, Liffey Road, Lucan, Co. Dublin.
SD08A/0844South DublinLodged 6 May 2009Change of use
- Granted80 m away
Conversion of existing garage to habitable living space; first floor extension to the side of the property…
1, Liffey Road, Lucan, Co. Dublin.
SD06B/0082South DublinLodged 17 Feb 2006Extension
Related developments
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