1 Grange Lane Cookham Maidenhead SL6 9RP

This site has had 5 applications since 2026: 3 approved, 2 refused.

• 26/01894/PDXL Granted

  1 Grange Lane Cookham Maidenhead SL6 9RP

  1No. single storey rear extension and 1No. single storey side/rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

  Decided 3 Sep 2026 Prior approval
• 26/01067/PDXL Refused

  1 Grange Lane Cookham Maidenhead SL6 9RP

  1no. single storey rear extension and 1no. single storey side/rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

  Decided 29 May 2026 Prior approval
• 26/00634/PDXL Refused

  1 Grange Lane Cookham Maidenhead SL6 9RP

  2no. single storey side/rear extensions no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m following demolition of existing garage.

  Decided 22 Apr 2026 Prior approval
• 26/00632/PDXL Granted

  1 Grange Lane Cookham Maidenhead SL6 9RP

  Single storey rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

  Decided 20 Apr 2026 Prior approval

1. 10 Mar 2026

   Received by Windsor and Maidenhead

2. 13 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 18 Mar 2026

   Decision issued: Permitted Development

4. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 18 March 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 1 Grange Lane Cookham Maidenhead SL6 9RP

  26/01067/PDXL Submitted 30 Apr 2026 0.1 miles away

  1no. single storey rear extension and 1no. single storey side/rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

  Refused Prior approval Extension 11 docs
  Small domestic

• 1 Grange Lane Cookham Maidenhead SL6 9RP

  26/00634/PDXL Submitted 10 Mar 2026 0.1 miles away

  2no. single storey side/rear extensions no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m following demolition of existing garage.

  Refused Prior approval Extension Demolition 11 docs
  Small domestic

• 1 Grange Lane Cookham Maidenhead SL6 9RP

  26/01894/PDXL Submitted 3 Aug 2026 0.1 miles away

  1No. single storey rear extension and 1No. single storey side/rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

  Granted Prior approval Extension 11 docs
  Small domestic

• 1 Grange Lane Cookham Maidenhead SL6 9RP

  26/00632/PDXL Submitted 10 Mar 2026 0.1 miles away

  Single storey rear extension no greater than 8.00m in depth, 3.50m high with an eaves height of 2.50m.

  Granted Prior approval Extension 11 docs
  Small domestic

• 2 Grange Lane Cookham Maidenhead SL6 9RP

  26/00982/CPD Submitted 21 Apr 2026 0.1 miles away

  Certificate of lawfulness to determine whether the proposed replacement front porch, two storey rear extension, single storey side extension, 1no. rear Juliet balcony and alterations to fenestration following demolition of existing front porch and garage are lawful.

  Granted Lawful development Extension Demolition +1 16 docs
  Small domestic

• 2 Grange Lane Cookham Maidenhead SL6 9RP

  25/03276/PDXL Submitted 10 Dec 2025 0.1 miles away

  Single storey rear extension no greater than 8.00m in depth, 3.60m high with an eaves height of 2.80m.

  Granted Prior approval Extension 7 docs
  Small domestic

• 26/01743/CPD Refused

  1 Aston Mead Windsor SL4 5PW

  Certificate of lawfulness to determine whether the proposed replacement single storey rear extension is lawful.

  Received 16 Jul, published by the council 31 Jul 2026 Lawful development
• 26/01828/CPU Granted

  Concorde Park Concorde Road Maidenhead SL6 4FJ

  Certificate of lawfulness to determine whether a private hire operators licence for taxi services is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01853/CPU Granted

  20 Craufurd Rise Maidenhead SL6 7LS

  Certificate of lawfulness to determine whether the proposed use of a room on the ground floor as private hire operators licence is lawful.

  Received 27 Jul, published by the council 24 Aug 2026 Lawful development
• 26/01781/CPD Refused

  163 Arthur Road Windsor SL4 1RZ

  Certificate of lawfulness to determine whether the proposed rear L shaped dormer with Juliet balcony and new air source heat pump are lawful.

  Received 21 Jul, published by the council 27 Jul 2026 Lawful development
• 26/01553/CLU Granted

  64 Priors Way Maidenhead SL6 2EN

  Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.

  Received 24 Jun, published by the council 25 Jul 2026 Lawful development