65A Cromwell Avenue New Malden KT3 6DN

1. 31 Aug 2026

   Received by Kingston upon Thames

2. 12 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 7 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Kingston upon Thames took a median of 63 days over the applications it decided in the last year.

This application is with Kingston upon Thames for determination, against a statutory target of eight weeks. Over the last year Kingston upon Thames decided full applications in a median of 96 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 65B Cromwell Avenue New Malden KT3 6DN

  26/01769/PAEXT Submitted 13 Aug 2026 50 yards away

  Erection of single storey rear extension (5m in depth, maximum height of 3m and eaves height of 2.8m)

  Refused Extension
  Small domestic

• 53 Cromwell Avenue New Malden KT3 6DN

  21/01120/CPU Submitted 12 Apr 2021 50 yards away

  Erection of hip to gable and rear dormer roof extensions and installation of 3no. rooflights to front roofslope

  Granted Lawful development Extension Loft or dormer 12 docs

• 59 Cromwell Avenue New Malden KT3 6DN

  25/02246/PAEXT Submitted 27 Aug 2025 50 yards away

  Erection of single storey rear extension (6m in depth, maximum height of 4m and eaves height of 3m)

  Refused Householder Extension 11 docs
  Small domestic

• 59 Cromwell Avenue New Malden KT3 6DN

  25/02636/PAEXT Submitted 9 Oct 2025 50 yards away

  Erection of single storey rear extension (Maximum 6.0m in depth, maximum height of 4.0m and eaves height of 3.0m)

  Granted Householder Extension 11 docs
  Small domestic

• 59 Cromwell Avenue New Malden KT3 6DN

  25/02247/CPU Submitted 27 Aug 2025 50 yards away

  Erection of hip to gable roof extension with rear dormer and installation of 2nos front rooflights.

  Granted Lawful development Extension Loft or dormer 13 docs

• 63 Cromwell Avenue New Malden KT3 6DN

  21/01160/CPU Submitted 15 Apr 2021 50 yards away

  Erection of rear dormer roof extension and installation of 2no. rooflights to front roofslope

  Granted Lawful development Extension Loft or dormer 10 docs

• 26/01675/FUL Refused

  40B And 40C Clarence Street Kingston Upon Thames KT1 1NR

  Conversion of commercial floorspace (Use Class E) at first floor level and house in multiple occupation unit (Use Class C4) at second and third floor levels to 3nos. residential dwellings (Use Class C3). Erection of 3nos. front dormer roof extensions and alterations to existing rear dormers. Installation of first floor rear terrace and 2nos. second floor rear balconies. Changes to fenestrations.

  Received 30 Jul, published by the council 3 Sep 2026 Full applications
• 26/01693/FUL Granted

  63 - 69 Kingston Road New Malden KT3 3PB

  Repair and reinstatement of the external envelope including brickwork reconstruction, rendered band, parapet replacement, gas main enclosure and window alterations (Part retrospective)

  Received 31 Jul, published by the council 1 Sep 2026 Full applications
• 26/02148/FUL Awaiting decision

  County Hall Developemnt Site Penrhyn Road Kingston Upon Thames KT1 2EA

  Application under Section 19 of the Planning (Listed Buildings and Conservation Areas) Act 1990 to vary Condition 15 (Conservation Management Plan) of application reference 21/03970/LBC (Listed Building Consent for the refurbishment, restoration and extension of the County Hall (Grade II*) to provide flexible commercial use (class E) and residential use (class C3), demolition of The Canteen Building and The Computer Wing Building, erection of replacement buildings of between 2 and 6 storeys for residential use (class C3), alterations to the existing boundary including Nos. 5 & 7 Milner Road, new means of access, associated public realm and landscaping, highway works, car and cycle parking and all ancillary and associated work (Amended Description, Amended Plans and Additional Information Received)) dated 22/09/2023. Variation to amend the trigger for the submission and approval of the Conservation Management Plan.

  Received 8 Oct, published by the council 21 Oct 2026 Full applications
• 26/02145/FUL Awaiting decision

  1 Fassett Road Kingston Upon Thames KT1 2TD

  Enlargement of the existing large House in Multiple Occupation (Use Class Sui generis) through erection of part first and second floor rear extensions and upwards roof extension with dormers and rooflights to create additional floor with associated internal alterations.

  Received 7 Oct, published by the council 21 Oct 2026 Full applications
• 26/02135/FUL Awaiting decision

  18 The Mount New Malden KT3 4HU

  Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved drawings) for Application Reference Number: 26/01548/HOU (Erection of a single storey rear extension.) dated 17/09/2026. Variation to add a window to the right side elevation of the proposed extension.

  Received 6 Oct, published by the council 20 Oct 2026 Full applications