South Dublin County Council · SD26A/0024W
11 Liffey Downs, Liffey Valley Park, Lucan, K78 PK40
Decided on appeal: granted.
- 29 Jan 2026Received
- 25 Mar 2026Refuse permission for retention
- 10 Apr 2026Appealed
- 25 Jun 2026Appeal: Approved with conditions
- Status
- Appeal decided — granted
- Decision
- Refuse permission for retention · 25 Mar 2026
- Council
- South Dublin County Council
- Type
- Retention
- Site
- 468 m²
- Appeal
- ACP 501136 · Approved with conditions
What’s proposed
Retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home
Planning details
- Reference
- SD26A/0024W
- Local authority
- South Dublin County Council
- Status
- Appeal decided — granted · register status “Appeal decided”
- Received
- 29 Jan 2026
- Observations close
- 5 Mar 2026 (closed 240 days ago)
- Decision due
- 25 Mar 2026 · decided 25 Mar 2026
- Decision
- Refuse permission for retention on 25 Mar 2026
- Site area
- 468 m² from the mapped boundary, not the council's figure
Nearby 9 · 500 m · 12 months
Distance
Time
- Awaiting decisionSunflowers, Ballyowen Lane, Lucan, Co. Dublin, K78 F4E3
- GrantedUnit 34, Fonthill Industrial Park, Dublin 22, D22 TH27
- Granted13, Liffey Close, Liffey Valley Park, Lucan, Co Dubin, K78A090
- Commenced11, Liffey Glen, Liffey Valley Park, Lucan, Co. Dublin, K78X977
- Granted69 Liffey Terrace, Lucan, County Dublin, K78A991
- Refused47, Larkfield Way, Lucan, Co. Dublin, K78 RF60
- Granted38 Liffey Park, Lucan, Co Dublin
- Withdrawn11 Liffey Downs, Liffey Valley Park, Lucan, K78PK40
- Commenced5, Ballyowen Park, Ballyowen Lane, Lucan, Co Dublin, K78 ET96
- Granted11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568
- GrantedEsker Celtic FC Clubhouse, at Hermitage Park, Lucan, Co. Dublin
- Refused31, Shancastle Drive, Dublin 22
- Withdrawn5, Ballyowen Park, Ballyowen Lane, Lucan, Co Dublin, K78 ET96
- Withdrawn11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568
- Granted4, Liffey Drive, Liffey Valley Park, Lucan, County Dublin, K78 DW28
- Withdrawn11, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin, K78 X568
- Withdrawn4, Liffey Drive, Liffey Valley Park, Lucan, Co Dublin, K78 DW28
- Commenced38, Larkfield Avenue, Lucan, Co. Dublin, K78 XT80
- GrantedLarkfield Square, Lucan, Co. Dublin, K78 E2P4.
- Granted6, Liffey Drive, Lucan, Co. Dublin
- Granted19 Liffey Crescent, Liffey Valley Park, Lucan, K78FY29
- Granted15, Liffey Terrace, Liffey Valley park, Lucan, Co.Dublin, K78 E278
- Withdrawn15, Liffey Terrace, Liffey Valley Park, Lucan, Co. Dublin K78 E278
- Granted1 Liffey Grove, Liffey Valley Park, Lucan, Co Dublin, K78 AX86
- Granted11, Hermitage Place, Lucan, Co. Dublin, K78 NP74
- Granted36, Mount Andrew Dale, Lucan, Co. Dublin, K78 K097
- CommencedUnit 21, Fonthill Business Park, Fonthill, Dublin 22, D22 FR82
- Commenced2, Ballyowen Grove, Lucan, Dublin
- Appeal decidedNo 6, St Edmunds Park, Ballydowd, Lucan, Co. Dublin, K78 ED89
- Withdrawn6, St Edmunds Park, Ballydowd, Lucan, Co. Dublin, K78 ED89
- Withdrawn38, Liffey Valley Park, Liffey Valley, Lucan, Co. Dublin
- Granted10, Liffey Dale, Lucan, Co Dublin, K78 PF65
- Commenced3, Liffey Road, Liffey Valley Park, Lucan, Co. Dublin
- Granted8, Larkfield Close, Lucan, County Dublin, K78D820
- Commenced18, Mount Andrew Grove, Lucan, Co. Dublin, K78 A023
- Granted64, Liffey Avenue, Liffey Valley Park, Lucan, Co. Dublin, K78 WD26.
- Granted1, Liffey Wood, Liffey Valley Park, Lucan, Co. Dublin, K78 RR67
- Granted10, Liffey View, Liffey Valley Park, Lucan, Co. Dublin, K78 TN27
- Granted14, Ballyowen Drive, Lucan, Co. Dublin.
- Granted26, Larkfield Avenue, Lucan, Co. Dublin
- Withdrawn14, Ballyowen Drive, Lucan, Co. Dublin.
- Commenced19, Liffey Place, Lucan, Dublin, K78 E129
- Granted25, Liffey Lawn, Liffey Valley Park, Lucan, Co. Dublin
- Commenced20, Cluain Ri Ballyowen Lane, Lucan, Dublin, K78 AP97
- Granted27, Liffey Crescent, Liffey Valley Park, Lucan, Dublin
- Withdrawn1 Liffey Grove, Liffey Valley Park,, Lucan,, Co. Dublin.
- Withdrawn20, Cluain Ri Ballyowen Lane, Lucan, Dublin, K78 AP97
- Commenced11, Ballyowen Road, Lucan, Co. Dublin K78 D5D5.
- CommencedUnit 20, Fonthill Business Park, Fonthill Road, Dublin 22, D22 RF90
- Granted1 Ballyowen View, Lucan, Co. Dublin.
- Commenced11, Ballyowen View, Lucan, Dublin
- Commenced2, Liffey Green, Liffey Valley Park, Lucan, Co. Dublin, K78VE86
- Granted12, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin
- Granted8, Liffey Avenue,, Liffey Valley Park,, Lucan, Dublin
- Commenced1 Ballyowen View, Lucan, Co. Dublin.
- Granted8, Liffey Avenue,, Liffey Valley Park, Lucan, Dublin
- Granted23, Liffey Dale, Liffey Valley Park, Lucan, Dublin
- Granted4, Liffey Close, Liffey Valley Park, Lucan, Co. Dublin
- Withdrawn8, Liffey Avenue, Liffey Valley Park, Lucan
- Granted17, Liffey Avenue, Liffey Valley Park, Lucan, Dublin
- Commenced3, Liffey Park, Liffey Valley Park, Lucan, Co. Dublin
- Granted8, Larkfield Green, Ballyowen, Lucan, Co Dublin, K78 HX45
- Granted5, Liffey Dale, Liffey Valley, Lucan, Dublin
- Commenced69, Liffey Terrace, Lucan, Co. Dublin
- Granted24, Ballyowen Avenue, Lucan, Co. Dublin
- Commenced1, Liffey Wood, Liffey Valley Park, Lucan, Co. Dublin
- Commenced4, Ballyowen Avenue, Lucan, Co. Dublin
- Commenced32, Liffey Park, Liffey Valley Park, Lucan, Dublin
- Granted17, Liffey Avenue, Liffey Valley Park, Lucan, Dublin
- Withdrawn69, Liffey Terrace, Lucan, Co. Dublin
- Withdrawn17, Liffey Valley Avenue, Liffey Valley Park, Lucan, Co. Dublin
- Commenced2, Liffey Park, Liffey Valley Park, Lucan, Co. Dublin
- Commenced52, Liffey Close, Liffey Valley Park, Lucan, Co. Dublin
Homes nearby
- For sale8 Liffey Downs, Lucan, Co. Dublin
- For sale25 Ballyowen Hall, Ballyowen Lane, Lucan, Co. Dublin, K78 PX65
- For sale12 Liffey Park, Liffey Valley Park, Lucan, Co. Dublin
- For sale26 Larkfield Place, Lucan, Co. Dublin, K78 FK65
- For saleChez Nous, 4 Ballyowen View, Lucan, Co. Dublin, K78 C6P1
- For sale2 Liffey Hall, Liffey Valley Park, Lucan, Co. Dublin, K78 W273
Development land nearby
- Permitted, not started · 20 homes granted 24 Feb 2026, expires 23 Feb 2031 — Larkfield Square (0.1 km)
- Residential land off Liffey Road, Liffey Valley Park (0.0 km)
- Residential land off Liffey Road, Liffey Valley Park (0.0 km)
- Residential land off Ballyowen Hall, Lucan (0.1 km)
- Residential land off Liffey Road, Liffey Valley Park (0.1 km)
Appeal
ACP 501136 · Planning Appeal · decided · Approved with conditions 25 Jun 2026
Zoning
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's objection to an overbearing extension is usually argued under.
Protections nearby 250 m
- NIAH-recorded building · 1
Where this comes from
National planning feed (NPAD), fetched 11 Sept 2026, 18:51.
Source: National Planning Application Database · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| National Planning Application Database | CC BY 4.0 | 11 Sept 2026, 18:51 | open |
Summary
SD26A/0024W is a planning application to South Dublin County Council for retention of a c.40sqm prefabricated garden room/granny flat in the rear garden of home, received on 29 Jan 2026; permission was refused on 25 Mar 2026.