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Planning application

3 Cross Deep Gardens Twickenham TW1 4QZ

Granted Richmond upon Thames PA25/4446 Householder Application

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

Single storey rear extension

As published by the council, reference PA25/4446

Application record

Reference
PA25/4446
Type
Householder Application
Status
Decided
Decision
Granted Permission
Received
15 Dec 2025
Validated
18 Dec 2025
Decided
19 Feb 2026
Ward
South Twickenham Ward [STT]
Decision by
Delegated Decision
Postcode
TW1 4QZ

Site history

Applications at this address on the Richmond upon Thames register

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

  • PA26/0072 Granted

    3, Cross Deep Gardens, Twickenham, TW1 4QZ

    Replacement of existing rear dormer, replacement of side bay window with casement window, removal of upper floor side window and insertion of new window on the ground floor with-in existing chimney breast, removal of the single window from front elevation, replacement of all existing windows with new double-glazed white timber windows to match the originals, replacement of garage with new garage, addition of storage and workshop and installation of air heath source pump close to proposed storage room.

    Decided 7 Apr 2026 Prior approval

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Richmond upon Thames

  2. 18 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 19 Feb 2026

    Decision issued: Granted Permission

  4. 13 Aug 2026

    Added to PlanIndex

Documents

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

13 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Richmond upon Thames granted permission on 19 February 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 householder applications

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.

Nearby applications

Within 500 metres

  • 3, Cross Deep Gardens, Twickenham, TW1 4QZ

    PA26/0072 Submitted 8 Jan 2026 0m away

    Replacement of existing rear dormer, replacement of side bay window with casement window, removal of upper floor side window and insertion of new window on the ground floor with-in existing chimney breast, removal of the single window from front elevation, replacement of all existing windows with new double-glazed white timber windows to match the originals, replacement of garage with new garage, addition of storage and workshop and installation of air heath source pump close to proposed storage room.

    Granted Prior approval Loft or dormer Windows or glazing 11 docs

  • 1 Cross Deep Gardens Twickenham TW1 4QZ

    PA26/2049 Submitted 11 Jun 2026 8m away

    Installation of 7 rooflights.

    Granted Prior approval Loft or dormer 13 docs

  • 10 Cross Deep Gardens Twickenham TW1 4QU

    PA26/0001 Submitted 1 Jan 2026 54m away

    Single storey ground floor rear extension (5.03m depth, 3m eave height, 3.9m overall height)

    Granted Prior approval Extension 17 docs
    Small domestic

  • The Music Building And The Lodge St Catherines School Cross Deep Twickenham

    22/3662/FUL Submitted 9 Dec 2022 67m away

    Demolition of existing single storey music building and extension to The Lodge. Creaton of a 2 storey/3 storey infill extension, cycle storage, air source heat pump and landscaping.

    Refused Full applications Extension Demolition 31 docs
    Small domestic

  • 19 Cross Deep Gardens Twickenham Richmond Upon Thames TW1 4QZ

    05/3535/HOT Submitted 28 Nov 2005 71m away

    Proposed ground and first floor rear extension.

    Granted Householder Extension 15 docs
    Domestic

  • 7 Cross Deep Twickenham Richmond Upon Thames TW1 4QJ

    06/0227/FUL Submitted 31 Jan 2006 86m away

    Total demolition of existing property. Erection of two x three bed semi-detached houses and three x one bed apartments at lower ground level. Garden separated centrally to make two gardens.

    Refused Full applications New dwelling Demolition 51 docs

In Richmond upon Thames

  • PA26/2452 Refused

    50 Fairfax Road Teddington TW11 9BZ

    Roof extension to create additional loft storey. Increase in height to eaves and ridge to part of existing roof.

    13 Jul 2026 Householder
  • PA26/3078 Awaiting decision

    64 FIRST AVENUE MORTLAKE LONDON SW14 8SR

    The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension and replacement windows to the rear of the property.

    4 Sep 2026 Householder
  • PA26/3057 Awaiting decision

    23, Manderlea, The Avenue, Hampton, TW12 3RN

    Single storey rear extension, single storey side extension, and the installation of an air conditioning unit

    3 Sep 2026 Householder
  • PA26/3068 Awaiting decision

    27 Ranelagh Avenue Barnes London SW13 0BL

    Single storey side return with a sloping rooflight. Incl replacement windows throughout.

    3 Sep 2026 Householder
  • PA26/3067 Awaiting decision

    27 Ranelagh Avenue Barnes London SW13 0BL

    Rear mansard roof extension.

    3 Sep 2026 Householder