Search Thornhill planning applications
4 applications on record · within 1 km of the centre of Thornhill · updated daily · Caerphilly County Borough Council
Only 0 applications in the last 90 days, so this shows every one we hold.
- Ty Rhos Waunwaelod Way Caerphilly CF83 1BDAwaiting decisionObtain a Lawful Development Certificate for proposed side extension, rear extension, and ancillary domestic outbuildingCertificate Lawful Proposed Use/DevReceived 1 May 202626/0324/CLPU
- Land At Grid Ref 315956 184975 Cefn Carnau Lane Thornhill CaerphillyApprovedSeek approval of a non-material amendment to planning consent 25/0453/FULL (Erect agricultural storage building and facility for farm holding) to raise the ridge and eve heightsNon-Material AmendmentsReceived 30 Jan 2026Decided 20 Feb 202626/0069/NMA
- Ty Rhos Waunwaelod Way Caerphilly CF83 1BDRefusedErect two storey extensionHouseholder ApplicationReceived 2 Dec 2024Decided 1 May 202524/0880/HH
- Cefn Carnau Hospital Cefn Carnau Lane Thornhill Caerphilly CF83 1LXApprovedSeek approval of a non-material amendment to planning consent 22/0130/NCC (Vary condition 2 (Approved Plans) of planning consent 18/0571/FULL (Erect a 22 bed, low secure, locked rehabilitation facility on land to the rear of the existing buildings together with the re-configuration of the car park to create 60 spaces and associated landscaping) to move the building 1 metre to the west and reconfigure the internal building layoutNon-Material AmendmentsReceived 9 Aug 2023Decided 31 Aug 202323/0538/NMA
Planning in Thornhill
Only 2 decisions near Thornhill in the last 2 years, too few to judge an approval rate.
Applications within 1 km of the centre of Thornhill in the last 24 months, from Caerphilly County Borough Council's planning register.
Decided by Caerphilly County Borough CouncilCouncil page
Around Thornhill
Postcode districts
CF83 180 applications in the last 12 months
Applications in each district in the last 12 months.
Nearby towns and villages
Planning authority: Caerphilly County Borough Council
For home projects and trades
- Architects in ThornhillFor planning applications, extensions and new builds.
- Building contractors in ThornhillLocal builders for approved plans and permitted development.
Builders and trades: get new Thornhill jobs that match your work. See Leads
Application types: Rear extensionsLoft conversionsHouseholder applicationsTree works & TPOListed building consentChange of useAnnexes & granny flatsSolar panelsBarn conversionsBasement extensions
About Thornhill
Thornhill is a settlement located in Caerphilly, Wales.
Property prices in Thornhill show an average sale price of £985,000, based on 1 recent transaction recorded by HM Land Registry. There are currently no active flood warnings for the Thornhill 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 Thornhill 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, Thornhill 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 Thornhill, 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, 3 planning applications were submitted near Thornhill.
The most common types were full planning applications (1), outline applications (1), amendments (1).