Search Trethomas planning applications
13 applications received or decided in the last 12 months · within 1 km of the centre of Trethomas · updated daily · Caerphilly County Borough Council
Only 1 application in the last 90 days, so this shows the last 12 months.
- Vacant Site Adjacent To Loxely Court Trethomas CF83 8DJAwaiting decisionSeek approval of the reserved matters in respect of access, appearance, landscaping, layout and scale of planning consent 24/0514/OUT (Construct 6 No. 1 bedroom flats and associated works)Received 15 Oct 202626/0688/RM
- 18 Redbrook Avenue Trethomas Caerphilly CF83 8DBAwaiting decisionErect split level two storey extension to rear of propertyReceived 30 Jul 202626/0505/HH
- Trethomas Life Centre Heol-yr-ysgol Trethomas Caerphilly CF83 8FLAwaiting decisionErect single storey Annex for charitable use including small group sessions, cooking and washing/showering facilitiesReceived 13 Jul 202626/0465/FULL
- Land At Grid Ref 318132 189100 Navigation Street TrethomasAwaiting decisionDischarge conditions 07 (Driveway) and 13 (Garages) of planning consent 22/0197/FULL (Erect four detached dwellings with on site parking and new access onto Navigation Street)Condition DischargeReceived 9 Jul 202626/0463/COND
- Redbrook Newport Road Machen Caerphilly CF83 8RAAwaiting decisionReplace existing chainlink boundary fence with 1800mm timber fenceHouseholder ApplicationReceived 20 May 202626/0351/HH
Planning in Trethomas
- Approved
- 81%
- 17 of 21 decided
- Decision time
- about 9 weeks
- on average
Applications within 1 km of the centre of Trethomas in the last 24 months, from Caerphilly County Borough Council's planning register.
Decided by Caerphilly County Borough CouncilCouncil page
Around Trethomas
Postcode districts
CF83 180 applications in the last 12 monthsNP1CF8
Applications in each district in the last 12 months.
Nearby towns and villages
Planning authority: Caerphilly County Borough Council
For home projects and trades
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Application types: Rear extensionsLoft conversionsHouseholder applicationsTree works & TPOListed building consentChange of useAnnexes & granny flatsSolar panelsBarn conversionsBasement extensions
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.
Property prices in Trethomas show an average sale price of £246,370, based on 50 recent transactions recorded by HM Land Registry. There are currently no active flood warnings for the Trethomas area, indicating a relatively low flood risk at present. This is a positive factor for both existing residents and those considering property purchases or new developments.
In terms of safety, there were no crimes reported in the immediate area during the most recent reporting period (May 2026). This makes Trethomas a particularly low-crime area, which is often reflected in its desirability and property values.
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.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
To comment on or object to a planning application near Trethomas, open it in the list above: each one links to the council's own page for it and shows any comment deadline.
In the last 24 months, 28 planning applications were submitted near Trethomas. Of these, 81% were approved, with an average decision time of 62 days.
The most common types were full planning applications (7), discharge of conditions (7), outline applications (3).