8 Upper Thomas Street, Castlebar
Retention of a rear annex extension to a house on Upper Thomas Street.
221126 · Mayo County Council · Lodged 16 December 2022
- Reference
- 221126
- Authority
- Mayo County Council
- Register status
- Decided
- Type
- RETENTION
- Received
- 16 December 2022
- Residential units
- 1
- Floor area
- 1 m²
Summary
AI-generatedThis application seeks retention planning permission for an existing rear annex extension to a dwelling house. The application also covers all ancillary site works at the property.
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
Retention planning of the rear annex extension to dwelling and ancillary site works
Land-use zoning
What this land is zoned for
“To protect and improve the amenity and character of existing residential areas.”
Objective set by the Castlebar Local Area Plan (2024–2030). 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 |
|---|---|---|---|
| No 1 Santa Maria, Thomas Street, Castlebar | Oct 2025 | €168,000 | 75 m |
| 45 Riverdale Court, Castlebar, Mayo | Nov 2025 | €240,000 | 100 m |
| 29 Kennedy Gardens, Castlebar, Mayo | May 2026 | €310,000 | 106 m |
| Apartment 3 Harmony Height, Castlebar Co Mayo | Jun 2025 | €90,000 | 166 m |
| 95 Knockthomas Est, Castlebar, Mayo | Mar 2025 | €160,000 | 169 m |
| 30 Riverdale Court, Knockthomas, Castlebarnot full market price | Aug 2025 | €125,000 | 189 m |
| 23 Newline, Castlebar, Co Mayo | Oct 2025 | €65,000 | 208 m |
| 11 Shruffaun, Castlebar, Mayo | Jun 2026 | €78,000 | 238 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 received16 December 2022
- Decision due18 February 2023
- Decision issued16 February 2023
- Grant issued20 March 2023
- Permission expiry19 March 2028
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted50 m away
Retention of a 53 sq. metre single storey extension to rear of existing house and for change of use from…
No. 21 Upper Thomas Street , Castlebar , Co. Mayo
22972MayoLodged 3 Nov 2022Retention
- Granted90 m away
RETENTION FOR SUBDIVISION OF A DWELLING HOUSE INTO THREE APARTMENTS AND A STORAGE SHED TOGETHER WITH ALL…
CLAIOMH SOLAIS , KNOCKTHOMAS , CASTLEBAR
18460MayoLodged 26 Jun 2018Retention
- Refused90 m away
RETENTION FOR DEVELOPMENT CONSISTING OF THE SUBDIVISION OF A DWELLING HOUSE INTO THREE APARTMENTS AND A…
CLAIOMH SOLAIS , KNOCKTHOMAS , CASTLEBAR
16998MayoLodged 22 Dec 2016Retention
- Granted100 m away
DEMOLISH SMALL SHED AND CARRY OUT EXTENSION TO EXISTING DWELLING, ALONG WITH ALL NECESSARY SITE WORKS AND…
45 RIVERDALE COURT , KNOCKTHOMAS , CASTLEBAR
16454MayoLodged 10 Jun 2016Extension
- Granted100 m away
CHANGE OF USE OF EXISTING RESTAURANT TO MULTI-UNIT RESIDENTIAL ACCOMMODATION AND INTERNAL CHANGES TO CREATE…
THOMAS STREET , CASTLEBAR
19701MayoLodged 6 Sept 2019Change of use
- Granted110 m away
CONSTRUCT EXTENSION AND RENOVATION OF A DWELLING TOGETHER WITH ANCILLARY SITE DEVELOPMENT WORKS
KNOCKTHOMAS , CASTLEBAR , CO. MAYO
19558MayoLodged 22 Jul 2019Extension
- Granted130 m away
INSTALL A 3M HIGH "LAMP POST" STYLE RELIEF VENT STACK SERVICING THE EXISTING ABOVE GROUND NATURAL GAS…
KENNEDY GARDENS , KNOCKTHOMAS , CASTLEBAR
17134MayoLodged 2 Mar 2017Infrastructure
- Granted140 m away
Planning permission to construct two houses with material changes to that previously granted under Planning…
No3 , Kennedy Gardens , Castlebar
2560446MayoLodged 5 Jul 2025New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Granted
Retention of the Rear Extension to the existing Dwelling House together with all ancillary site works
Faheens , Midfield , Swinford
2660335MayoLodged 28 Apr 2026
- GrantedRetention
Retention permission for existing extension constructed to rear of dwelling, including all ancillary site…
11 Bridge Street , Navan , Co. Meath
24206MeathLodged 14 May 2024
- Awaiting decision
Retention of extension to rear of existing dwelling house and all associated site development works
Cornamucklagh , Omeath , Co. Louth
2660422LouthLodged 25 Jun 2026
- GrantedRetention
Retention permission for rear extension to existing dwelling and all associated site works
6 St Vincents Road , Ardee , Co Louth
211342LouthLodged 5 Nov 2021
- GrantedExtension
Retention of extensions to dwelling and permission to construct rear extension to dwelling and ancillary site…
Ballyhalwick,, Dunmanway,, Co. Cork,
10352corkLodged 20 May 2010
- GrantedRetention
The development consists of retention planning permission for existing rear extension and ancillary site works
8 Corkhill , Kinnegad , Co Westmeath
21369WestmeathLodged 7 Jul 2021
Community
Discussion
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