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Planning application

1 TREETOPS CLOSE NORTHWOOD

Awaiting decision Hillingdon 31772/APP/2026/430

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of single-storey wrap-around extension with a pitched roof, extension to the rear of the existing habitable loft space, amendments to the existing front window dormer, and fenestrations as well as new porch, 12 x PV panels to the rear roof. All following the demolition of the existing attached garage and rear extension.

As published by the council, reference 31772/APP/2026/430

Application record

Reference
31772/APP/2026/430
Status
Approval
Received
19 Feb 2026

Site history

Applications at this address on the Hillingdon register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 31772/APP/2025/3070 Granted

    1 TREETOPS CLOSE NORTHWOOD

    Erection of single-storey wrap-around extension with a pitched roof, extension to the rear of the existing habitable loft space, amendments to the existing front window dormer, and fenestrations, and shrub fencing along the curtilage. All following the demolition of the existing attached garage and rear extension

    Decided 4 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 19 Feb 2026

    Received by Hillingdon

  2. 7 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 16 April 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Hillingdon took a median of 58 days over the applications it decided in the last year.

What happens while it is decided

This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 58 days. More in our guide to how long planning decisions take.

About this record

The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.