15 Marlborough Crescent Chiswick W4 1HE

This site has had 2 applications since 2025.

• 252912LBC Awaiting decision

  15 Marlborough Crescent Chiswick W4 1HE

  Single storey rear infill extension (following demolition of existing conservatory); alterations to existing rear extension incorporating flat roof over new infill extension and existing rear extension; creation of roof terrace with painted timber balustrade and replacement of existing window opening with French doors at rear first floor level; single storey side extension; and associated internal and external alterations and general refurbishment of the house including repairs to existing windows, replacement of existing main roof, brickwork cleaning, repairs and repointing, replacement of existing guttering, RWP's and SVPs; and provision of new bin store to the front garden (Listed Building Consent)

  Submitted 30 Jul 2025 Heritage and listed buildings

1. 30 Jul 2025

   Received by Old Oak and Park Royal Development Corporation

2. 3 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 24 September 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Old Oak and Park Royal Development Corporation took a median of 55 days over the applications it decided in the last year.

This application is with Old Oak and Park Royal Development Corporation for determination, against a statutory target of eight weeks. Over the last year Old Oak and Park Royal Development Corporation decided householder applications in a median of 60 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.

• 15 Marlborough Crescent Chiswick W4 1HE

  252912LBC Submitted 30 Jul 2025 50 yards away

  87% historically approved · decision due ~24 Sep

  Single storey rear infill extension (following demolition of existing conservatory); alterations to existing rear extension incorporating flat roof over new infill extension and existing rear extension; creation of roof terrace with painted timber balustrade and replacement of existing window opening with French doors at rear first floor level; single storey side extension; and associated internal and external alterations and general refurbishment of the house including repairs to existing windows, replacement of existing main roof, brickwork cleaning, repairs and repointing, replacement of existing guttering, RWP's and SVPs; and provision of new bin store to the front garden (Listed Building Consent)

  Awaiting decision Heritage and listed buildings Extension Demolition +1 20 docs
  Small domestic

• 15 Marlborough Crescent Chiswick W4 1HE

  252912LBC Submitted 30 Jul 2025 50 yards away

  86% historically approved · decision due ~24 Sep

  Single storey rear infill extension (following demolition of existing conservatory); alterations to existing rear extension incorporating flat roof over new infill extension and existing rear extension; creation of roof terrace with painted timber balustrade and replacement of existing window opening with French doors at rear first floor level; single storey side extension; and associated internal and external alterations and general refurbishment of the house including repairs to existing windows, replacement of existing main roof, brickwork cleaning, repairs and repointing, replacement of existing guttering, RWP's and SVPs; and provision of new bin store to the front garden (Listed Building Consent)

  Awaiting decision Heritage and listed buildings Extension Demolition +1 20 docs
  Small domestic

• 15 Marlborough Crescent Chiswick W4 1HE

  252911HH Submitted 30 Jul 2025 50 yards away

  89% historically approved · decision due ~24 Sep

  Single storey rear infill extension (following demolition of existing conservatory); alterations to existing rear extension incorporating flat roof over new infill extension and existing rear extension; creation of roof terrace with painted timber balustrade and replacement of existing window opening with French doors at rear of first floor level; single storey side extension; and associated internal and external alterations and general refurbishment of the house including repairs to existing windows, replacement of existing main roof, brickwork cleaning, repairs and repointing, replacement of existing guttering, RWP's and SVPs; and provision of new bin store to the front garden

  Awaiting decision Householder Extension Demolition +1 20 docs
  Small domestic

• 21 Queen Annes Grove Chiswick London W4 1HW

  214768PTT Submitted 15 Jul 2021 50 yards away

  Sycamore (T1) - reshape to last pruning points, approx. 4 metres reduction, lift to 2.5 metres above ground level and to provide 2 metres clearance of garage roof - cyclical maintenance.

  Granted Trees 3 docs

• 21 Queen Annes Grove Chiswick London W4 1HW

  214768PTT Submitted 15 Jul 2021 50 yards away

  Sycamore (T1) - reshape to last pruning points, approx. 4 metres reduction, lift to 2.5 metres above ground level and to provide 2 metres clearance of garage roof - cyclical maintenance.

  Granted Trees 3 docs

• 86 Esmond Road Chiswick Ealing W4 1JF

  230439HH Submitted 2 Feb 2023 50 yards away

  Repair works and associated alterations to the front elevation

  Granted Householder 12 docs
  Domestic

• 262442HH Granted

  46 Perth Close Northolt UB5 4AU

  Single storey rear extension; rear roof extension, and installation of 1 rooflight to front roofslope

  Received 17 Jun, published by the council 27 Jul 2026 Householder
• 262533HH Granted

  19 Lowfield Road Acton W3 0AY

  Alteration of roof from hip to gable end; rear roof extension incorporating a Juliet balcony; installation of three rooflights to the front roofslope; and installation of one rooflight to the rear roofslope.

  Received 25 Jun, published by the council 27 Jul 2026 Householder
• 262675HH Granted

  8 South Avenue Southall UB1 2AH

  Single storey side extension (following demolition of existing)

  Received 6 Jul, published by the council 3 Aug 2026 Householder
• 253503HH Granted

  39 Marlborough Crescent Chiswick W4 1HG

  Replacement of front elevation windows with single glazed timber windows

  Received 15 Sep, published by the council 3 Aug 2026 Householder
• 262142HH Granted

  13 Isambard Road Southall UB2 4GN

  Single storey rear extension

  Received 27 May, published by the council 27 Jul 2026 Householder