NO. 3 THORNBERRY, LETTERKENNY, CO. DONEGAL
Single-storey rear extension to connect the kitchen and sunroom to a garage being converted into a playroom.
2660222 · Donegal County Council · Lodged 17 February 2026
- Reference
- 2660222
- Authority
- Donegal County Council
- Register status
- Decided
- Type
- PERMISSION
- Received
- 17 February 2026
Summary
AI-generatedThe project involves constructing a single-storey rear extension to join the existing sunroom to the garage by extending the kitchen. The existing garage will be converted into a playroom, with minor internal alterations to the existing house.
- Storey
- 1
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
Construction of single storey extension to the rear to join the existing sunroom to the garage by extending the kitchen, together with all associated site works. The existing garage will be converted into a playroom with minor internal alterations to the existing house and the proposed development does not relate to a protected structure
Built & 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 |
|---|---|---|---|
| 6 Thornberry, Letterkenny, Donegal | May 2026 | €416,000 | 57 m |
| 19 Thornberry, Mountain Top, Letterkenny | Mar 2026 | €252,000 | 79 m |
| 22 Thornberry, Letterkenny, Donegal | Feb 2025 | €250,000 | 84 m |
| 119 Thornberry, Carnamuggagh Lower, Letterkennyprice excludes VAT | Jun 2026 | €450,000 | 144 m |
| 120 Thornberry, Carnamuggagh Upper, Letterkennyprice excludes VAT | Jun 2026 | €450,000 | 151 m |
| 3 Oran Hill, Letterkenny, Donegal | Apr 2026 | €235,000 | 161 m |
| 122 Thornberry, Letterkennyprice excludes VAT | May 2026 | €404,802 | 164 m |
| 99a The Green, Thornberry, Letterkenny | Jun 2025 | €152,000 | 176 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 received17 February 2026
- Decision due13 April 2026
- Decision issued2 April 2026
- Grant issued6 May 2026
- Permission expiry5 May 2031
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Awaiting decisionAt this site
CONSTRUCTION OF SINGLE STOREY EXTENSION TO THE REAR TO JOIN THE EXISTING SUNROOM TO THE GARAGE BY EXTENDING…
NO. 3 THORNBERRY , LETTERKENNY , CO. DONEGAL
2660190DonegalLodged 13 Feb 2026Extension
- Granted130 m away
CONSTRUCTION OF AN EXTENSION TO DWELLING HOUSE AND REALIGNMENT OF THE SITE ENTRANCE AND ALL ASSOCIATED SITE…
OLD GOLF COURSE ROAD , TULLAGHCULLION , DONEGAL TOWN
2151994DonegalLodged 8 Oct 2021Extension
- Granted160 m away
ERECTION OF 4 NO. DETACHED TWO STOREY TYPE DOMESTIC DWELLING HOUSES AND CONNECTION TO EXISTING FOUL AND STORM…
THORNBERRY , CARNAMUGGAGH UPPER , LETTERKENNY
2560280DonegalLodged 28 Feb 2025Housing estate
- Awaiting decision170 m away
ERECTION OF A SINGLE STOREY EXTENSION TO THE SIDE OF EXISTING DWELLING HOUSE
NO 123 THORNBERRY , CARNAMUGGAGH UPPER , LETTERKENNY
2151494DonegalLodged 28 Jul 2021Extension
- Granted170 m away
ERECTION OF A SINGLE STOREY EXTENSION TO THE SIDE OF DWELLING HOUSE
NO.123 THORNBERRY , LETTERKENNY , CO DONEGAL
2151643DonegalLodged 17 Aug 2021Extension
- Awaiting decision220 m away
(1) DEMOLITION OF EXISTING DERELICT DWELLING AND (2) ERECTION OF 42 NO. APARTMENTS (BLOCK A CONSISTS OF 28…
CARNAMUGGAGH UPPER , LETTERKENNY , CO. DONEGAL
2560050DonegalLodged 20 Jan 2025Apartments
- Awaiting decision230 m away
CONSTRUCTION OF (1) EXTENSIONS TO THE SIDE AND REAR OF EXISTING DWELLING HOUSE AND (2) A NEW FRONT PORCH AND…
NO. 8 WILLOW PARK , CARNAMUGGAGH UPPER , LETTERKENNY
2461823DonegalLodged 13 Nov 2024Extension
- Granted230 m away
(1) CONSTRUCTION OF EXTENSIONS TO THE SIDE AND REAR OF EXISTING DWELLING HOUSE AND (2) CONSTRUCTION OF A NEW…
8 WILLOW PARK , CARNAMUGGAGH UPPER , LETTERKENNY
2461871DonegalLodged 19 Nov 2024Extension
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 decisionExtension
CONSTRUCTION OF SINGLE STOREY EXTENSION TO THE REAR TO JOIN THE EXISTING SUNROOM TO THE GARAGE BY EXTENDING…
NO. 3 THORNBERRY , LETTERKENNY , CO. DONEGAL
2660190DonegalLodged 13 Feb 2026
- GrantedExtension
PLAY ROOM EXTENSION TO THE WEST OF EXISTING DWELLING AND PERMISSION FOR CONSTRUCTION OF AN EXTENSION TO REAR…
EFFISHMORE , GLENEELY , CO DONEGAL
2051273DonegalLodged 10 Sept 2020
- GrantedExtension
Erection of single storey living room extension to front of house together with conversion of garage to…
28, Delaford Drive, Dublin 16
SD10B/0202South DublinLodged 17 May 2010
- Awaiting decisionRetention
EXISTING PLAY ROOM EXTENSION TO THE WEST OF THE EXISTING DWELLING AND PERMISSION FOR EXTENSION TO REAR OF…
EFFISHMORE , GLENEELY , LIFFORD PO
2051121DonegalLodged 17 Aug 2020
- GrantedExtension
DEMOLITION OF AN EXISTING GLAZED SUN ROOM AND BOILER ROOM ENCLOSURE AT THE SIDE AND REAR OF THE HOUSE, THE…
CHARLESTOWN , CLARA , CO OFFALY
18283OffalyLodged 29 Jun 2018
- GrantedExtension
The development will consist of the construction of a single-storey extension to the rear of the existing…
29, Lucan Heights, Lucan, Dublin
SD26B/0017South DublinLodged 19 Jan 2026
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.