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Planning application

27 Cotsford Avenue New Malden KT3 5EU

Granted Kingston upon Thames 26/00015/HOU Householder

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

Alterations to rear conservatory with installation of double pitched roof, thermal wall insulation and changes to fenestrations

As published by the council, reference 26/00015/HOU

Application record

Reference
26/00015/HOU
Type
Householder
Status
Granted
Decision
Granted As published: Application Granted
Received
6 Jan 2026
Validated
30 Mar 2026
Decided
21 May 2026
Ward
Green Lane & St James
Parish
New And Old Malden
Decision by
Delegated Decision
Postcode
KT3 5EU

Site history

Applications at this address on the Kingston upon Thames register

This site has had 2 applications since 2024: 1 approved, 0 refused.

  • 24/01819/TPO Decided

    27 Cotsford Avenue New Malden KT3 5EU

    T1 - Willow Pollard to new points bellow previous ones, the tree has suffered a very large tear out at crown break and now has substantial weight left above wound.

    Decided 18 Sep 2024 Trees

Timeline

Dates from the published record

  1. 6 Jan 2026

    Received by Kingston upon Thames

  2. 30 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 May 2026

    Decision issued: Application Granted

  4. 12 Aug 2026

    Added to PlanIndex

Documents

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

18 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

Kingston upon Thames granted permission on 21 May 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 0.3 miles

  • 27 Cotsford Avenue New Malden KT3 5EU

    24/01819/TPO Submitted 22 Jul 2024 50 yards away

    T1 - Willow Pollard to new points bellow previous ones, the tree has suffered a very large tear out at crown break and now has substantial weight left above wound.

    Decided Trees 2 docs

  • 31 Cotsford Avenue New Malden KT3 5EU

    25/01770/PAEXT Submitted 3 Jul 2025 50 yards away

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

    Granted Householder Extension 15 docs
    Small domestic

  • 23 Cotsford Avenue New Malden KT3 5EU

    26/00246/CPU Submitted 4 Feb 2026 50 yards away

    Erection of rear outbuilding for garden office and storage

    Granted Lawful development 8 docs

  • 23 Cotsford Avenue New Malden KT3 5EU

    25/02550/CPU Submitted 30 Sep 2025 50 yards away

    Erection of a single storey rear detached outbuilding to be used as a home office/garden room.

    Refused Lawful development 7 docs
    Small domestic

  • 49 Windsor Avenue New Malden KT3 5HE

    25/01297/PAEXTF Submitted 14 May 2025 100 yards away

    Erection of single storey rear extension (Maximum 4.05m in depth, maximum height of 3.0m and eaves height of 2.70m)

    Refused Householder Extension 10 docs
    Small domestic

  • Lse Sports Ground Windsor Avenue New Malden KT3 5HB

    21/02662/NMA Submitted 17 Aug 2021 100 yards away

    Application for Non-Material Amendment to Planning Permission ref: 19/01336/FUL (Installation of a new cold water storage tank and pumps). Amendments to include forming separate housing enclosure units

    Granted Amendments 4 docs

In Kingston upon Thames

  • 26/02160/HOU Awaiting decision

    33 Cardinal Crescent New Malden KT3 3EF

    Removal of shed and erection of single storey outbuilding to rear

    Received 9 Oct, published by the council 22 Oct 2026 Householder
  • 26/01662/HOU Granted

    30 The Ridings Surbiton KT5 8HQ

    Demolition of front porch and erection of single storey front porch extension. Changes to ground floor front and first floor rear fenestrations.

    Received 29 Jul, published by the council 1 Sep 2026 Householder
  • 26/01696/HOU Granted

    1 Wolsey Drive Kingston Upon Thames KT2 5DP

    Erection of single storey side and rear extension.

    Received 31 Jul, published by the council 3 Sep 2026 Householder
  • 26/01711/HOU Granted

    230 Canbury Park Road Kingston Upon Thames KT2 6LF

    Demolition of an existing rear extension and erection of a single storey rear extension.

    Received 4 Aug, published by the council 1 Sep 2026 Householder
  • 26/02154/HOU Awaiting decision

    36 Norbiton Avenue Kingston Upon Thames KT1 3QR

    Erection of single storey rear/side extension

    Received 8 Oct, published by the council 21 Oct 2026 Householder