Live Data London · England

Planning Applications in
Hillingdon

Hillingdon is part of the London region. Search any postcode in Hillingdon to see recent planning applications near you — including extensions, new builds, demolitions, and change of use applications.

update Last updated: 11 July 2026

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Search Hillingdon Planning Applications

Search and save a postcode to check planning applications in Hillingdon. Paid plans add instant email alerts for new applications near a monitored area.

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What Planning Applications Can You Find in Hillingdon?

home

Residential Extensions

Rear extensions, side extensions, loft conversions, and garage conversions in Hillingdon.

apartment

New Builds & Developments

New housing developments, apartment blocks, and commercial buildings proposed in Hillingdon.

storefront

Change of Use

Applications to change building use — shops to flats, offices to restaurants, and more in Hillingdon.

park

Listed Buildings & Conservation

Works to listed buildings and developments in Hillingdon's conservation areas.

demolition

Demolition Notices

Prior approval applications for demolition of buildings in Hillingdon.

nature

Trees & Landscaping

Tree preservation orders, tree works applications, and landscaping schemes in Hillingdon.

Frequently Asked Questions — Hillingdon Planning

How do I check planning applications in Hillingdon? expand_more

Enter your postcode on PlanWatch to instantly see all recent planning applications in Hillingdon. We show applications within a 1-mile radius, including extensions, new builds, and change of use applications.

How do I object to a planning application in Hillingdon? expand_more

To object to a planning application in Hillingdon, you need to submit your comments during the public consultation period (usually 21 days). Visit the Hillingdon council planning portal or write to their planning department. Your objection must be based on material planning considerations such as impact on privacy, traffic, or character of the area.

How long does planning permission take in Hillingdon? expand_more

Most planning applications in Hillingdon are decided within 8 weeks for minor applications and 13 weeks for major developments. However, complex applications or those requiring committee decisions can take longer. You can track the status of any application on PlanWatch.

Can I get alerts for new planning applications in Hillingdon? expand_more

You can search and save a postcode for Hillingdon in PlanWatch. Paid PlanWatch plans add instant email alerts for new applications near a monitored postcode.

What planning applications don't need permission in Hillingdon? expand_more

Some developments in Hillingdon fall under "permitted development rights" and don't need planning permission. This includes certain small extensions, loft conversions, outbuildings, and changes of use. However, if you're in a conservation area, listed building, or AONB, additional restrictions may apply. Always check with Hillingdon council before starting work.

Can planning applications affect my property value in Hillingdon? expand_more

Planning applications near your home in Hillingdon may affect how you use or assess a property. PlanWatch helps you find the application and link to the official council record; check the drawings, consultation dates and planning decision before making any property decision.