12, Overdale, Ashtead, Surrey, KT21 1PW

1. 23 Nov 2022

   Received by Mole Valley

2. 18 Jan 2023

   Decision issued: APPROVED WITH CONDITIONS

3. 19 Aug 2026

   Added to PlanIndex

Mole Valley granted permission on 18 January 2023, 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.

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.

• 5 OVERDALE ASHTEAD KT21 1PW

  MO/2026/01119 Submitted 6 Aug 2026 50 yards away

  Demolition of existing conservatory, erection of two storey rear/side extension, part-conversion of existing garage and alterations to fenestration.

  Granted Householder Extension Demolition +1 31 docs
  Small domestic

• 22, Overdale, Ashtead, Surrey, KT21 1PW

  MO/2021/1401 Submitted 27 Jul 2021 50 yards away

  Prior notification for the erection of a single storey rear extension of 3.90 metres deep by 3 metres high and a height at the eaves of 3 metres.

  Granted Householder Extension 9 docs
  Small domestic

• 21, St Stephens Avenue, Ashtead, Surrey, KT21 1PJ

  MO/2024/1412 Submitted 27 Aug 2024 100 yards away

  Erection of single storey side and rear extensions.

  Granted Householder Extension 10 docs
  Small domestic

• 21, Overdale, Ashtead, Surrey, KT21 1PW

  MO/2024/1387 Submitted 22 Aug 2024 100 yards away

  Certificate of Lawfulness for a proposed development in respect of a hip to gable loft conversion with rear dormer.

  Refused Lawful development Loft or dormer 5 docs

• 21, Overdale, Ashtead, Surrey, KT21 1PW

  MO/2024/1768 Submitted 21 Oct 2024 100 yards away

  Certificate of lawfulness for a proposed development in respect of the change of the roof from hip to gable, erection of 1 No. rear dormer window and insertion of 2 No. rooflights on front roof slope.

  Granted Lawful development Loft or dormer Windows or glazing 7 docs

• 16 ST STEPHENS AVENUE ASHTEAD KT21 1PL

  MO/2026/00401 Submitted 23 Feb 2026 150 yards away

  Certificate of Lawfulness for a proposed development in respect of the erection of a hip to gable rear roof dormer extension with the addition of two rooflights to the front roof slope.

  Withdrawn Lawful development Extension Loft or dormer 19 docs

• MO/2026/01075 Granted

  18 POPLAR AVENUE LEATHERHEAD KT22 8SH

  Installation of 100mm external wall insulation to all elevations and installation of solar panels to rear roof slope.

  Received 1 Jul, published by the council 11 Aug 2026 Householder
• MO/2026/01119 Granted

  5 OVERDALE ASHTEAD KT21 1PW

  Demolition of existing conservatory, erection of two storey rear/side extension, part-conversion of existing garage and alterations to fenestration.

  Received 6 Aug, published by the council 16 Aug 2026 Householder
• MO/2026/01000 Granted

  HIGHLANDS THE DOWNS LEATHERHEAD KT22 8LF

  Demolition of first floor element on eastern elevation and erection of first floor extensions to both sides and conversion of garage to habitable accommodation.

  Received 16 Jun, published by the council 30 Jul 2026 Householder
• MO/2026/01125 Granted

  11 POPLAR AVENUE LEATHERHEAD KT22 8SH

  Installation of 100mm external wall insulation to all elevations and to also include the installation of solar PV panels.

  Received 1 Jul, published by the council 19 Aug 2026 Householder
• MO/2026/01077 Granted

  DUNCANNON HEADLEY HEATH APPROACH BOX HILL KT20 7LL

  Retention of an 18 metre high telescopic guyed amateur radio mast.

  Received 3 Aug, published by the council 11 Aug 2026 Householder