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 56 days over the applications it decided in the last year.

• Application: 254709LBC (Awaiting decision)

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 63 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards away

  88% 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 22 docs
  Small domestic

• 20 The Avenue Chiswick W4 1HT

  254709LBC Submitted 15 Dec 2025 50 yards away

  88% 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

• 262806HH Granted

  46 Minterne Avenue Southall UB2 4HP

  Part two, part single storey side/rear extension; front porch extension; alteration of roof from hip to gable end, rear roof extension; two rear Juliet balconies; installation of four front rooflights and one rear rooflight (following demolition of existing side garage)

  Received 16 Jul, published by the council 21 Aug 2026 Householder
• 262714HH Granted

  94 Cuckoo Avenue Hanwell W7 1BN

  Rear roof extension, and installation of two roof lights to front roofslope

  Received 9 Jul, published by the council 8 Aug 2026 Householder
• 262641HH Granted

  20 Cawdor Crescent Hanwell W7 2DD

  Conversion of garage into a habitable room involving the insertion of a window in lieu of the garage door; single storey side/rear extension (following demolition of part demolition of existing rear/side extension; alteration of roof from hip to gable end; rear roof extension; installation of three rooflights to front roofslope; installation of heat pump to rear elevation; removal of chimney from side and front roof; internal and external alterations

  Received 2 Jul, published by the council 29 Jul 2026 Householder
• 262779HH Refused

  14 Summit Road Northolt UB5 5HJ

  Two storey side extension; part single, part two storey rear extension (following demolition of existing single-storey rear extension); alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony and installation of three rooflights to front roofslope

  Received 15 Jul, published by the council 21 Aug 2026 Householder
• 262778HH Refused

  406 Lady Margaret Road Southall UB1 2NL

  Part single, part two-storey side/rear extension (following demolition of existing single-storey side extension); front porch extension (following demolition of existing front porch); alteration of roof from hip to gable end; rear roof extension, and installation of two rooflights to front roofslope

  Received 14 Jul, published by the council 21 Aug 2026 Householder