20 The Avenue Chiswick W4 1HT

This site has had 4 applications since 2025: 2 approved, 0 refused.

• 261255HH Granted

  20 The Avenue Chiswick W4 1HT

  Single storey rear extension to the existing rear extension including the enlargement of the existing roof terrace above at first floor level, internal and external alterations and general refurbishment of the house. Alterations to the existing services and the installation of an air conditioning condenser unit in the rear garden.

  Decided 3 Jul 2026 Householder
• 261256LBC Granted

  20 The Avenue Chiswick W4 1HT

  Construction of a single storey rear extension to the existing rear extension including the enlargement of the existing roof terrace above at first floor level, internal and external alterations and general refurbishment of the house. Alterations to the existing services and the installation of an air conditioning condenser unit in the rear garden (Listed Building Consent)

  Decided 3 Jul 2026 Heritage and listed buildings
• 254709LBC Awaiting decision

  20 The Avenue Chiswick W4 1HT

  Construction of single storey garden outbuilding with basement level; and replacement boundary treatment facing Queen Anne's Gardens and the installation of an air conditioning condenser unit (Listed Building Consent)

  Submitted 15 Dec 2025 Heritage and listed buildings

1. 15 Dec 2025

   Received by Ealing

2. 25 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 9 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Ealing took a median of 55 days over the applications it decided in the last year.

This application is with Ealing for determination, against a statutory target of eight weeks. Over the last year Ealing decided householder applications in a median of 61 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 20 The Avenue Chiswick W4 1HT

  261255HH Submitted 23 Mar 2026 0m away

  Single storey rear extension to the existing rear extension including the enlargement of the existing roof terrace above at first floor level, internal and external alterations and general refurbishment of the house. Alterations to the existing services and the installation of an air conditioning condenser unit in the rear garden.

  Granted Householder Extension 24 docs
  Small domestic

• 20 The Avenue Chiswick W4 1HT

  261256LBC Submitted 23 Mar 2026 0m away

  Construction of a single storey rear extension to the existing rear extension including the enlargement of the existing roof terrace above at first floor level, internal and external alterations and general refurbishment of the house. Alterations to the existing services and the installation of an air conditioning condenser unit in the rear garden (Listed Building Consent)

  Granted Heritage and listed buildings Extension 27 docs
  Small domestic

• 20 The Avenue Chiswick W4 1HT

  261255HH Submitted 23 Mar 2026 0m away

  Single storey rear extension to the existing rear extension including the enlargement of the existing roof terrace above at first floor level, internal and external alterations and general refurbishment of the house. Alterations to the existing services and the installation of an air conditioning condenser unit in the rear garden.

  Granted Householder Extension 24 docs
  Small domestic

• 20 The Avenue Chiswick W4 1HT

  261256LBC Submitted 23 Mar 2026 0m away

  Construction of a single storey rear extension to the existing rear extension including the enlargement of the existing roof terrace above at first floor level, internal and external alterations and general refurbishment of the house. Alterations to the existing services and the installation of an air conditioning condenser unit in the rear garden (Listed Building Consent)

  Granted Heritage and listed buildings Extension 27 docs
  Small domestic

• 20 The Avenue Chiswick W4 1HT

  254708HH Submitted 15 Dec 2025 0m away

  87% historically approved · decision due ~9 Feb

  Construction of single storey garden outbuilding with basement level; and replacement boundary treatment facing Queen Anne's Gardens and the installation of an air conditioning condenser unit

  Awaiting decision Householder 13 docs
  Small domestic

• 20 The Avenue Chiswick W4 1HT

  254709LBC Submitted 15 Dec 2025 0m away

  86% historically approved · decision due ~9 Feb

  Construction of single storey garden outbuilding with basement level; and replacement boundary treatment facing Queen Anne's Gardens and the installation of an air conditioning condenser unit (Listed Building Consent)

  Awaiting decision Heritage and listed buildings 13 docs
  Small domestic

• 260841HH Granted

  9 Brentside Close West Ealing W13 0BD

  Part single; part two storey side extension; single storey rear extension; insertion of additional windows to rear elevation first floor level; front porch extension; alterations to fenestration (following partial demolition of existing rear addition)

  26 Feb 2026 Householder
• 262081HH Refused

  101 Gonville Crescent Northolt UB5 4SJ

  Change of use of the existing private garden gym/outbuilding incidental to the main dwellinghouse into ancillary habitable accommodation (granny annexe) for use in connection with the main dwellinghouse (Use Class C3) (Retrospective Application)

  20 May 2026 Householder
• 261692HH Granted

  24 Woodstock Avenue West Ealing W13 9UG

  Single storey rear extension (Following demolition of existing single storey rear); enlargement of existing first floor rear balcony, removal of balcony canopy; alteration to rear fenestration

  22 Apr 2026 Householder
• 262145HH Granted

  58 Wood End Gardens Northolt UB5 4QL

  Conversion of existing outbuilding to Lounge/Gym and shower room with associated external alterations.

  27 May 2026 Householder
• 261138HH Granted

  19 The Common Ealing W5 3TR

  Erection of a single storey rear extension, a front porch extension and a single storey rear outbuilding (following the demolition of existing rear garage), replacement of the existing white uPVC windows with double-glazed composite windows, erection of a brick boundary wall to the front and side boundary, and replacement of the existing side gate with a timber sliding gate

  16 Mar 2026 Householder