33 Onslow Avenue Cheam SM2 7ED

This site has had 4 applications since 2023: 2 approved, 2 refused.

• DM2025/01417 Granted

  33 Onslow Avenue Cheam SM2 7ED

  Retention of a front entrance porch, installation of rooflights to the single storey flank extension, alteration to the single storey rear extension roof detail, installation of an air source heat pump and two air conditioning units to ground floor rear elevation, alterations to front boundary treatment/forecourt and rear terrace with steps leading up to rear garden land, alteration to front, side and rear fenstrations and alteration to external finishes.

  Decided 2 Mar 2026 Householder
• DM2025/01179 Refused

  33 Onslow Avenue Cheam SM2 7ED

  Non material amendment to approved application DM2024/00527 which allowed the 'Erection of a single storey rear extension,' to allow for alterations to rear extension roof eaves and verge and installation of two air conditioning units to rear elevation.

  Decided 7 Oct 2025 Amendments
• DM2023/01094 Granted

  33 Onslow Avenue Cheam SM2 7ED

  Erection of a single storey rear extension, conversion of garage into habitable room and a front entrance porch.

  Decided 6 Sep 2023 Householder

1. 13 Aug 2025

   Received by Sutton

2. 15 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 8 Oct 2025

   Decision issued: Application Refused

4. 13 Aug 2026

   Added to PlanIndex

Sutton refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.

• 33 Onslow Avenue Cheam SM2 7ED

  DM2025/01179 Submitted 15 Sep 2025 50 yards away

  Non material amendment to approved application DM2024/00527 which allowed the 'Erection of a single storey rear extension,' to allow for alterations to rear extension roof eaves and verge and installation of two air conditioning units to rear elevation.

  Refused Amendments Extension 6 docs
  Small domestic

• 33 Onslow Avenue Cheam SM2 7ED

  DM2025/01417 Submitted 14 Nov 2025 50 yards away

  Retention of a front entrance porch, installation of rooflights to the single storey flank extension, alteration to the single storey rear extension roof detail, installation of an air source heat pump and two air conditioning units to ground floor rear elevation, alterations to front boundary treatment/forecourt and rear terrace with steps leading up to rear garden land, alteration to front, side and rear fenstrations and alteration to external finishes.

  Granted Householder Extension Loft or dormer 17 docs
  Small domestic

• 33 Onslow Avenue Cheam SM2 7ED

  DM2023/01094 Submitted 6 Jul 2023 50 yards away

  Erection of a single storey rear extension, conversion of garage into habitable room and a front entrance porch.

  Granted Householder Extension 12 docs
  Small domestic

• 1 Scarborough Close Cheam Surrey SM2 7EA

  A2002/50016 Submitted 6 Dec 2002 50 yards away

  Erection of a conservatory at rear.

  Granted Householder Extension
  Small domestic

• 6 Scarborough Close Cheam SM2 7EA

  A2002/49574 Submitted 21 Aug 2002 50 yards away

  Rebuilding of garage with extension over, erection of a two storey bay extension and enlargement of dormer extension at front.

  Granted Householder Extension Loft or dormer
  Domestic

• 26 High View Cheam SM2 7DY

  DM2021/02244 Submitted 9 Nov 2021 50 yards away

  Demolition of existing rear garage and lean to. Erection of a part one, part two side/rear extension, front entrance porch and installation of a new vehicle crossover to High View.

  Granted Householder Extension Demolition 15 docs
  Small domestic

• DM2026/00585 Withdrawn

  101 Epsom Road Sutton SM3 9EY

  Application to delete condition 5 (installation of solar panels) of planning permission Ref: DM2024/01437 to allow for the omission of solar panels as the energy statement.

  Received 8 May, published by the council 25 Jul 2026 Amendments
• DM2026/00757 Granted

  44 Birchwood Avenue Wallington SM6 7EN

  Application to delete condition 2 (garage use) of planning permission Ref: 86/29540 for the 'Enlargement of existing garage' to allow for flexibility for future garage use.

  Received 23 Jun, published by the council 25 Jul 2026 Amendments
• DM2026/00683 Granted

  34 Link Lane Wallington SM6 9EB

  Application to vary condition 1 (approved drawings) of planning permission Ref: DM2025/01441 for the 'Erection of a part one, part two storey front and side extension including the formation of a front entrance porch, conversion of loft space involving a dormer window and a dormer extension at rear and alteration to the first floor flank fenestration' to allow alterations to the front porch window detail and external material finish of the front elevation.

  Received 4 Jun, published by the council 25 Jul 2026 Amendments
• DM2026/00637 Granted

  70 West Street Carshalton SM5 2PR

  Retention of detached garage.

  Received 22 May, published by the council 25 Jul 2026 Amendments
• DM2026/00435 Granted

  Land To The Rear Of 24-25 Telegraph Track Carshalton SM5 4AU

  Application to vary condition 1 (approved drawings) of planning permission Ref: DM2025/01593 for the 'Demolition of building and erection of a detached single storey dwelling with accommodation in roof space and provision of refuse and cycle storage and parking to front' to allow alterations to roof detail/presentation, including the provision of dormer window extensions to both flanks and the associated reduction of rooflights.

  Received 2 Apr, published by the council 25 Jul 2026 Amendments