Record from the Hillingdon planning register as captured; documents link to the council's own files. Nearby applications are context, not part of this application.
Application
What is it?
Conversion of roof space into habitable use, including the construction of a replacement roof with increase in ridge height, hip to gable roof extensions, and a rear dormer, removal of three chimney stacks, and installation of two front roof lights
Refused on 3 Oct 2025, delegated decision by Alan Corcoran — 12 weeks from submission (4 over the 8-week target).
Timeline
Date
Event
14 Jul 2025
Application received
2 Oct 2025
Statutory target date
3 Oct 2025
Delegated decision: Refused · Alan Corcoran
14 Jul 2025
Application received
2 Oct 2025
Statutory target date
3 Oct 2025
Delegated decision: Refused · Alan Corcoran
Why it was refused
Reason
As stated on the decision notice
1
reasons for refusal, you may be able to amend
your application and submit it again.
Amending your planning application
If you think you could change your application to respond to the reasons for refusal,
contact us about what to do next. We can give you more information about
deadlines and any fees for submitting an amended application
Residents Services
London Borough of Hillingdon
3 North, Civic Centre,
High Street, Uxbridge UB8 1UW
Email: planning@hillingdon.gov.uk
www.hillingdon.gov.uk
Appealing to the Planning Inspectorate
If you think the decision to refuse your application was incorrect, you may want to
appeal to the Planning Inspectorate, which is an independent and impartial body.
If you want to appeal, the deadline is 12 weeks from the date on the decision letter,
or 4 weeks if you've received an enforcement notice. Around 1 in 3 appeals is
successful.
You'll need some documents to hand, so before you start, read the guidance and
access the service at:
https://appeal-planning-decision.planninginspectorate.gov.uk
If you're unable to complete your appeal online call the Planning Inspectorate
helpline on 0303 444 5000 (charges at a local rate).
5 of 5
PDECHHODB (ODB) 54287/APP/2025/1898
1
reasons for refusal, you may be able to amend
your application and submit it again.
Amending your planning application
If you think you could change your application to respond to the reasons for refusal,
contact us about what to do next. We can give you more information about
deadlines and any fees for submitting an amended application
Residents Services
London Borough of Hillingdon
3 North, Civic Centre,
High Street, Uxbridge UB8 1UW
Email: planning@hillingdon.gov.uk
www.hillingdon.gov.uk
Appealing to the Planning Inspectorate
If you think the decision to refuse your application was incorrect, you may want to
appeal to the Planning Inspectorate, which is an independent and impartial body.
If you want to appeal, the deadline is 12 weeks from the date on the decision letter,
or 4 weeks if you've received an enforcement notice. Around 1 in 3 appeals is
successful.
You'll need some documents to hand, so before you start, read the guidance and
access the service at:
https://appeal-planning-decision.planninginspectorate.gov.uk
If you're unable to complete your appeal online call the Planning Inspectorate
helpline on 0303 444 5000 (charges at a local rate).
5 of 5
PDECHHODB (ODB) 54287/APP/2025/1898
Public response
Comment counts were not captured for this application.
Context around the site — not part of this application. Designations over the site: use the map's designations filter (conservation areas, listed buildings, Article 4, flood risk …). Decisions within 250 metres of the site are listed below — context, not this application.
Other applications within 250 metres (context — nearby, not this application)
No other geocoded decision is recorded within 250 metres.