12, Main Street, Newcastle, Co.Dublin, D22 H958
External insulation and a two-storey rear extension to a house in Newcastle.
SD25B/0186 · South Dublin County Council · Lodged 7 April 2025
- Reference
- SD25B/0186
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 7 April 2025
Summary
AI-generatedThe project involves installing external insulation with a smooth render finish to the front and gable facade. It also includes a ground and first-floor rear extension with flat roofs and a new window in the gable wall.
- 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
Installation of external insulation with smooth render finish to front & gable facade. Ground floor & first floor rear extension with flat roofs over. Window in gable wall at first floor level.
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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Barnane, Main St, Newcastle | Mar 2026 | €1,050,000 | 63 m |
| Cornerpark Cottage, Newcastle, Dublin | Mar 2026 | €800,000 | 76 m |
| 4 Castlechurch Park, Newcastle, Dublin | Jun 2025 | €565,000 | 152 m |
| 26 Castlechurch Park, Newcastle, Dublin | Apr 2026 | €580,000 | 180 m |
| 3 Orchard Grove, Newcastle, Dublinnot full market price | Nov 2025 | €134,000 | 186 m |
| 14 Mason Cross Way, Mason Cross, Newcastleprice excludes VAT | Dec 2025 | €436,123 | 190 m |
| 3 Castlelyon Ave, Main St, Newcastle | Mar 2026 | €409,000 | 195 m |
| 39 Graydon Crescent, Graydon, Newcastle | Feb 2025 | €365,000 | 195 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 received7 April 2025
- Decision due3 June 2025
- Decision issued3 June 2025
- Permission expiry13 July 2030
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
Dormer roof and window in hip at roof level; dormer roof and window in rear slope of roof to create attic room
12, Main Street, Newcastle, Co. Dublin
SD12B/0218South DublinLodged 27 Aug 2012Extension
- GrantedAt this site
The development will consist of a single storey garden room/storage shed (approx. 30m²) to rear garden of…
14 Main Street, Newcastle, Co. Dublin, D22 N6F8
SD25B/0393WSouth DublinLodged 13 Jun 2025Extension
- GrantedAt this site
Extension and alterations to 2 storey dwelling: (1) demolition of single storey conservatory to rear; (2)…
14, Main Street, Newcastle, Co. Dublin
SD19B/0181South DublinLodged 1 May 2019Extension
- Granted60 m away
Construction of a single storey domestic concrete shed within the rear garden of dwelling; construction of a…
4, Main Street, Newcastle, Co. Dublin
SD19B/0025South DublinLodged 20 May 2019Extension
- Granted70 m away
Mixed use development consisting of 44 no. residential units and 6 no. commercial units in 3 no. blocks as…
Main Street & New School Road, Newcastle, Co. Dublin
SD24A/0071South DublinLodged 21 Feb 2025Apartments
- Granted90 m away
Two storey extension to side of existing dwelling
1, Main Street, Newcastle, Co. Dublin.
SD05B/0447South DublinLodged 4 Jul 2005Extension
- Invalid90 m away
Two storey extension to the side of existing dwelling
1, Main Street, Newcastle, Co. Dublin.
SD05B/0259South DublinLodged 22 Apr 2005Extension
- Granted100 m away
Demolition of 3 existing structures on site (total c.226sq.m) comprising of 1 habitable house and 2…
Main Street, Newcastle, Co. Dublin
SD20A/0037South DublinLodged 11 Feb 2020Commercial
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
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Community
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