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Planning application

20 The Avenue Chiswick W4 1HT

Granted Old Oak and Park Royal Development Corporation 261256LBC Listed Building Consent

Works: Extension Small domestic

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

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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)

As published by the council, reference 261256LBC

Application record

Reference
261256LBC
Type
Listed Building Consent
Status
Granted with Conditions
Decision
Granted As published: Grant with Conditions
Received
23 Mar 2026
Validated
23 Mar 2026
Decided
3 Jul 2026
Ward
Southfield
Decision by
Delegated Decision
Postcode
W4 1HT

Site history

Applications at this address on the Old Oak and Park Royal Development Corporation register

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
  • 254708HH 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

    Submitted 15 Dec 2025 Householder
  • 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

Timeline

Dates from the published record

  1. 23 Mar 2026

    Received by Old Oak and Park Royal Development Corporation

  2. 3 Jul 2026

    Decision issued: Grant with Conditions

  3. 3 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Alice Poole Architects Agent, an architecture practice

25 applications on PlanIndex · across 2 councils · 69% 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

Documents

Plans, drawings, consultee responses and the officer's report

27 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Old Oak and Park Royal Development Corporation granted permission on 3 July 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 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

    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

    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 50 yards 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

  • 20 The Avenue Chiswick W4 1HT

    254708HH Submitted 15 Dec 2025 50 yards away

    89% 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

In Old Oak and Park Royal Development Corporation

  • 262521LBC Granted

    27 -29 Queen Annes Grove Chiswick W4 1HW

    Cyclical maintenance and external decorations; changes and replacements to the rainwater goods from roofs; removal of felt flat roof coverings to be replaced with new lead flat roofs; external alterations (Listed Building Consent)

    Received 24 Jun, published by the council 27 Jul 2026 Heritage and listed buildings
  • 262586LBC Withdrawn

    St Marys Church St Marys Road Ealing W5 5RH

    Proposed installation of New External Handrails to External Side Doors D.11 and D.15. (Listed Building Consent)

    Received 29 Jun, published by the council 27 Jul 2026 Heritage and listed buildings
  • 262876LBC Awaiting decision

    Acton Town Underground Station Gunnersbury Lane Acton W3 8HN

    Works to Platform 2, including removal of 3 existing cameras; installation of six cameras and associated trunking; installation of two Monitor Display Arrays (MDAs) (Listed Building Consent)

    Received 23 Jul, published by the council 10 Sep 2026 Heritage and listed buildings
  • 262908CPLB Awaiting decision

    25 Queen Annes Grove Chiswick W4 1HW

    Internal alterations (Lawful Development Certificate for a Proposed Works to a Listed Building)

    Received 16 Jul, published by the council 20 Aug 2026 Heritage and listed buildings
  • 253995LBC Refused

    18 Queen Annes Grove Chiswick W4 1HN

    Single storey rear/side extension with a flat roof incorporating a glazed lantern light with timber and framed sliding/folding doors with fully glazed panels (following demolition of existing pergola and conservatory); and associated alterations including raising of parapet wall alongside boundary (Listed Building Consent)

    Received 21 Oct, published by the council 3 Aug 2026 Heritage and listed buildings