Thornhill, Cardiff Planning Applications
Track every planning application and planning permission decision near Thornhill, Cardiff. Browse by postcode, view live status and get free email alerts for new developments.
Planning data sourced from Cardiff council planning portal · Statistics based on the last 24 months
Proposed Non-Material Amendment to Planning Permission 26/01218/HSE - increase the approved rear extension by 400mm.
Proposed Non-Material Amendment to Planning Permission 26/01218/HSE - increase the approved rear extension by 400mm.
Proposed Non-Material Amendment to Planning Permission 01/01198/N - To restrict the opening of the first-floor window on the west elevation to a maximum of 75 mm and require obscurity to a height of 1.7 metres above internal floor level (instead of the requirement that the relevant window be "non opening below a height of 1.8 metres above internal floor level and glazed with obscure glass" as required by Condition 4).
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About Thornhill - Planning Applications & Local Development
Thornhill is a vibrant community located in the northern part of Cardiff, Wales, positioned just south of Caerphilly. This area is notable for its residential developments and proximity to green spaces, making it an attractive location for planning applications related to housing and community infrastructure.
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.
To comment on or object to a planning application near Thornhill, visit the local authority's planning portal directly. Planning Signal links to the original council submission for every application listed above.