Search Thornhill planning applications
14 applications received or decided in the last 90 days · within 1 km of the centre of Thornhill · updated daily · Southampton City Council
- 46 St Aubins Avenue Southampton SO19 8NWAwaiting decisionErection of single storey rear extension with new steps onto existing patio following demolition of existing conservatory.Received 9 Nov 202626/01228/FUL
- 36 Pine Drive Southampton SO18 5RPAwaiting decisionMature sweet chestnut in rear of property. Approx. 22m high to be reduced to around 15m high Lateral branches to be reduced by around 4m to leave a crown spread of around 6m to keep good form.Received 2 Nov 202626/00308/TPO
- 38 Gladstone Road Southampton SO19 8GTAwaiting decisionErection of a single-storey front porch and outbuilding in rear garden following demolition of existing garage.Received 27 Oct 202626/01236/FUL
- 50 Sunningdale Gardens Southampton SO18 5FHAwaiting decisionErection of an outbuilding.Received 23 Oct 202626/01197/FUL
- 3 Douglas Crescent Southampton SO19 5JPAwaiting decisionNon-material amendment sought to planning permission ref 26/00325/FUL to change rear extension roof from pitched to flat roof.Received 22 Oct 202626/01211/NMA
Planning in Thornhill
- Approved
- 80%
- 20 of 22 decided
- Decision time
- about 8 weeks
- on average
Applications within 1 km of the centre of Thornhill in the last 24 months, from Southampton City Council's planning register.
Decided by Southampton City CouncilCouncil page
Around Thornhill
Postcode districts
SO19 132 applications in the last 12 monthsSO18 95 applications in the last 12 months
Applications in each district in the last 12 months.
Nearby towns and villages
Planning authority: Southampton City 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 Thornhill
Thornhill is a suburban area located on the eastern edge of Southampton, England, bordered by three major roads. As per the 2001 census, it has a population of 11,460, with a notable demographic of 23.4% of residents under 16 years old, surpassing the city average, while 17.4% are aged 65 and over, also higher than the Southampton average. This demographic information may be relevant for those researching planning applications and community services in the area.
Property prices in Thornhill show an average sale price of £985,000, based on 1 recent transaction recorded by HM Land Registry.
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, 50 planning applications were submitted near Thornhill. Of these, 80% were approved, with an average decision time of 58 days.
The most common types were outline applications (6), discharge of conditions (3), amendments (3).
1 planning appeal was lodged, of which 0 were allowed and 1 was dismissed (0% success rate).