Trethomas, Caerphilly Planning Applications
Recent planning applications near Trethomas, Caerphilly.
Caerphilly · Wales · settlement
Planning applications in Trethomas are administered by Caerphilly County Borough Council. View the full Caerphilly County Borough Council planning applications page for approval rates and decision timelines.
About Trethomas
Trethomas is a small village located 2.5 miles (4 km) northeast of Caerphilly in southeast Wales. Nestled within the Caerphilly county borough, it lies within the historic boundaries of Monmouthshire, making it a notable area for potential planning applications and local development projects.
Enter a postcode to search for planning applications near Trethomas.
Town Insights
Property Prices
Average property sale price: £246,370 (based on 50 recent transactions from HM Land Registry).
Area Information
- Admin district: Caerphilly
- Parliamentary constituency: Caerphilly
- LSOA: Caerphilly 022C
Crime Statistics
0 crimes reported in 2026-05.
Flood Risk
No active flood warnings near Trethomas.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Trethomas.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Trethomas based on the last 24 months of planning data.
Nearby Applications
189 planning applications found near Trethomas.
- - 22 The Avenue Trethomas Caerphilly CF83 8BW
Discharge condition 05 (Contamination - Validation) of planning consent 23/0863/FULL (Erect a single storey 2 bedroom dwelling and associated external works)
Status: Permitted | Type: Conditions | Council: Caerphilly | Date: 2025-10-02
View full details - - 22 The Avenue Trethomas Caerphilly CF83 8BW
Discharge condition 06 (Contamination - validation) of planning consent 23/0092/COU (Change the use from D1 to C3 and erect two front extensions to achieve 2 No. bungalows)
Status: Permitted | Type: Conditions | Council: Caerphilly | Date: 2025-10-02
View full details - - White O'Morn Navigation Street Trethomas Caerphilly CF83 8DJ
Discharge conditions 03 (Sound Insulation) and 08 (Bio Enhancement) of planning consent 25/0001/COU (Change the use of single dwelling to 9-bed HMO)
Status: Permitted | Type: Conditions | Council: Caerphilly | Date: 2025-09-08
View full details - - Woodside Ridgeway Graig-y-rhacca Caerphilly CF83 8RB
Retain and complete the rearrangement of front and side garden with re-profiling of ground levels
Status: Permitted | Council: Caerphilly | Date: 2025-08-28
View full details - - Ty Coch Newport Road Trethomas Caerphilly CF83 8GB
Erect single storey garden room to the rear of the dwelling
Status: Permitted | Type: Full | Council: Caerphilly | Date: 2025-07-30
View full details - - 3 Standard Villas Standard Street Trethomas Caerphilly CF83 8DG
Retain and complete the construction of patio and levelling of garden to rear of property and erection of privacy fence
Status: Rejected | Council: Caerphilly | Date: 2025-06-30
View full details - 25/0441/RET - 3 Standard Villas Standard Street Trethomas Caerphilly CF83 8DG
Retain and complete the construction of patio and levelling of garden to rear of property and erection of privacy fence
Status: Rejected | Council: Caerphilly | Date: 2025-06-30
View full details - - 37 Mary Street Trethomas Caerphilly CF83 8HN
Discharge condition 06 (Refuse storage and collection) of planning consent 25/0206/RET (Retain the change of use of existing outbuilding to nail and beauty therapy room)
Status: Permitted | Type: Conditions | Council: Caerphilly | Date: 2025-06-10
View full details - - 37 Mary Street Trethomas Caerphilly CF83 8HN
Retain the change of use of existing outbuilding to nail and beauty therapy room
Status: Permitted | Council: Caerphilly | Date: 2025-04-04
View full details - - Land Within Curtilage Of 22 The Avenue Trethomas Caerphilly CF83 8BW
Discharge conditions 03 (Contamination - scheme to treat) 06 (Site control - dust suppression) 07 (Site control - noise suppression) and 08 (Glazing) of planning consent 23/0863/FULL (Erect a single s
Status: Conditions | Type: Conditions | Council: Caerphilly | Date: 2025-01-27
View full details - - White O'Morn Navigation Street Trethomas Caerphilly CF83 8DJ
Change the use of single dwelling to 9-bed HMO
Status: Permitted | Type: Amendment | Council: Caerphilly | Date: 2025-01-02
View full details - - Charlies Cafe Newport Road Trethomas Caerphilly CF83 8BY
Replace 2. No existing 48-sheet poster board with a new digital advertising screen (D-Poster)
Status: Permitted | Type: Advertising | Council: Caerphilly | Date: 2024-12-10
View full details - - 3 Chapel Court Navigation Street Trethomas Caerphilly CF83 8FR
Erect second storey side extension
Status: Permitted | Type: Full | Council: Caerphilly | Date: 2024-11-08
View full details - - Nantgoch Newport Road Trethomas Caerphilly CF83 8GB
Demolish existing log cabin and replace with new building containing 2 x self-contained supported living units along with associated external works, the new building will serve as an Annex to the main
Status: Rejected | Type: Full | Council: Caerphilly | Date: 2024-09-06
View full details - - Mynydd Haf Independent School Ty Ysgol Newport Road Trethomas Caerphilly CF83 8BY
Erect external classroom
Status: Permitted | Type: Full | Council: Caerphilly | Date: 2024-08-14
View full details - - Vacant Site Adjacent To Loxely Court Trethomas CF83 8DJ
Construct 6 No. 1 bedroom flats and associated works
Status: Permitted | Type: Outline | Council: Caerphilly | Date: 2024-07-08
View full details - - 22 The Avenue Trethomas Caerphilly CF83 8BW
Discharge conditions 03 (Drainage), 04 (Contamination - scheme to treat), 07 (Site control - dust suppression), 08 (Site control - noise suppression) and 11 (Hard surface - porous drainage) of plannin
Status: Permitted | Type: Conditions | Council: Caerphilly | Date: 2024-04-08
View full details - - Land Within Curtilage Of 22 The Avenue Trethomas Caerphilly CF83 8BW
Erect a single storey 2 bedroom dwelling and associated external works
Status: Permitted | Type: Full | Council: Caerphilly | Date: 2023-12-11
View full details - - Woodpecker Flooring 29 Pantglas Industrial Estate Bedwas Caerphilly CF83 3DR
Install a new sharable 25m lattice mast and the installation of base station, 2.4m high palisade fencing, 5 No. operator cabinets, 2 No. dishes, 6 No. antennas, 1 No. meter cabinet and ancillary devel
Status: Permitted | Type: Telecoms | Council: Caerphilly | Date: 2023-11-10
View full details - - 27 Standard Street Trethomas Caerphilly CF83 8DF
Erect first floor rear extension and associated internal refurbishment works
Status: Permitted | Type: Full | Council: Caerphilly | Date: 2023-11-06
View full details
Use the filter and sort options to search descriptions, addresses, and references. Sort by newest or oldest applications.
A brief summary of Trethomas in Caerphilly
Trethomas is a small village located 2.5 miles (4 km) northeast of Caerphilly in southeast Wales. Nestled within the Caerphilly county borough, it lies within the historic boundaries of Monmouthshire, making it a notable area for potential planning applications and local development projects.
Property prices in Trethomas show an average sale price of £246,370, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Trethomas a particularly low-crime area.
For anyone interested in property development or monitoring local planning decisions, Trethomas planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Trethomas
In the last 24 months, 33 planning applications were submitted near Trethomas. Of these, 79% were approved, with an average decision time of 67 days.
This is below the national average of approximately 87%, which may reflect stricter local policies, sensitivity of the area, or higher levels of speculative applications. Pre-application advice is particularly worthwhile near Trethomas.
At 67 days on average, decisions near Trethomas slightly exceed the 8-week statutory target for minor applications, though this is common across many councils.
The most common application types near Trethomas were full planning applications (10), discharge of conditions (7), outline applications (3). Full planning applications account for 30% of all submissions, covering new builds, change of use, and works that go beyond permitted development rights.
In terms of development scale, 11 medium-scale applications, 22 smaller schemes were submitted.
Application Outcomes
- Approved: 23 applications
- Refused: 6 applications
- Awaiting decision: 4 applications
Nearby Towns
Explore planning applications in nearby areas:
- Waterloo planning applications
- Craig-y-Rhacca planning applications
- Bedwas planning applications
- Lansbury Park planning applications
- Nant-y-ceisiad planning applications
- Rudry planning applications
- Van planning applications
- Pwllypant planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.