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Planning application

20 Forty Avenue, Wembley, HA9 8JP

Awaiting decision Brent 26/2552

Works: Extension 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

Certificate of lawfulness for proposed front porch extension, single-storey rear infill extension...

As published by the council, reference 26/2552

Application record

Reference
26/2552
Status
Registered
Received
8 Oct 2026
Validated
8 Oct 2026
Ward
Preston
Decision by
Delegated Team Manager
Postcode
HA9 8JP

Site history

Applications at this address on the Brent register

This site has had 5 applications since 2025: 1 approved, 3 refused.

  • 26/0880 Granted

    20 Forty Avenue, Wembley, HA9 8JP

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.86m Eaves height - 3.00m

    Decided 11 May 2026 Prior approval
  • 26/0812 Refused

    20 Forty Avenue, Wembley, HA9 8JP

    Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6.00m Maximum height - 3.86m Eaves height - 3.00m

    Decided 1 Apr 2026 Prior approval
  • 26/0589 Refused

    20 Forty Avenue, Wembley, HA9 8JP

    Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.

    Decided 29 Apr 2026 Lawful development
  • 25/3587 Refused

    20 Forty Avenue, Wembley, HA9 8JP

    Certificate of lawfulness for proposed single storey rear infill extension, L-shaped rear dormer window with 2x front rooflights and installation of 2x windows to the gable side elevation of the dwellinghouse.

    Decided 16 Feb 2026 Lawful development

Timeline

Dates from the published record

  1. 8 Oct 2026

    Received by Brent

  2. 12 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 3 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Brent took a median of 56 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Better Building Design Ltd. Agent, a design practice registered in London

Active · incorporated 2017 · London

29 applications on PlanIndex · across 11 councils · 81% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

What happens while it is decided

This application is with Brent for determination, against a statutory target of eight weeks. Over the last year Brent's median decision took 56 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 Brent's portal will say. Our guide explains the common types.

Nearby applications

Within 0.3 miles

  • 30 Forty Avenue, Wembley, HA9 8JP

    20/4071 Submitted 9 Dec 2020 50 yards away

    Proposed ground floor side extension; first floor side and rear extension; loft conversion with dormer window and installation of 3 x front facing rooflights to dwellinghouse

    Withdrawn Householder Extension Loft or dormer +1 2 docs
    Domestic

  • 20 Forty Avenue, Wembley, HA9 8JP

    25/3587 Submitted 24 Dec 2025 50 yards away

    Certificate of lawfulness for proposed single storey rear infill extension, L-shaped rear dormer window with 2x front rooflights and installation of 2x windows to the gable side elevation of the dwellinghouse.

    Refused Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

  • 32 Forty Avenue, Wembley, HA9 8JP

    22/0809 Submitted 2 Mar 2022 50 yards away

    Demolition of existing dwellinghouse and erection of part 3 storey part 4 storey building comprising 7 self-contained flats, creation of basement floor level, private and communal amenity spaces, associated off road parking, waste and cycle storage

    Refused Full applications New dwelling Demolition 31 docs
    Domestic

  • 20 Forty Avenue, Wembley, HA9 8JP

    26/0589 Submitted 9 Mar 2026 50 yards away

    Certificate of lawfulness for proposed single storey rear infill extension, rear dormer extension with dormer to rear outrigger, 2x front rooflights and installation of 2x windows to gable side elevation of the dwellinghouse.

    Refused Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

  • 34 Forty Avenue, Wembley, HA9 8JP

    22/0810 Submitted 2 Mar 2022 50 yards away

    Demolition of existing dwellinghouse and erection of part 3 storey part 4 storey building comprising 7 self-contained flats, creation of basement floor level, private and communal amenity spaces, associated off road parking, waste and cycle storage

    Refused Full applications New dwelling Demolition 29 docs
    Domestic

  • 30 Forty Avenue, Wembley, HA9 8JP

    20/3024 Submitted 24 Sep 2020 50 yards away

    Certificate of lawfulness for proposed hip to gable loft conversion with rear dormer window and installation of 3 x front facing rooflights to dwellinghouse

    Granted Lawful development Loft or dormer Windows or glazing 9 docs
    Domestic