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Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB

26/01170/PDXLAwaiting decision
Approximate location: the centre of the postcode, not the exact property.

Proposal

Single storey rear extension no greater than 8.00m in depth, 3.84m high with an eaves height of 2.78m.

Submitted
11 May 2026
  1. Received11 May
  2. Validated
  3. Consult.
  4. Target
  5. Decided

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About this application

This is a planning application for a single storey rear extension at Highwood Corner Grubwood Lane Cookham Maidenhead SL6 9UB. Windsor has handled 5,190 applications of this type. It has been with the council since 11 May 2026 and is still awaiting a decision. The site is in a conservation area. There have been 4 other applications at this address. We hold 2,124 applications in total for the SL6 postcode area.

Application details

Postcode
SL6 9UB

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations at the address point. Ones next to the site may also apply.

  • Green belt: Windsor and Maidenhead
  • Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: conservation areas, Article 4 directions and tree preservation orders. Ask the council if these matter.

Also checked, none recorded (20)

flood storage areas, listed buildings, scheduled monuments, World Heritage Sites, World Heritage Site buffer zones, registered parks and gardens, registered battlefields, Heritage at Risk entries, nutrient neutrality catchments, national parks, National Landscapes, SSSIs, Special Areas of Conservation, Special Protection Areas, Ramsar sites, ancient woodland, national nature reserves, local nature reserves, heritage coasts and brownfield registers.

A guide only, from official open data; it is not a planning search. Flood zones cover rivers and sea, not surface water.

Data © Crown copyright and others · sources and licences

Contains public sector information from planning.data.gov.uk (MHCLG and local planning authorities), licensed under the Open Government Licence v3.0. © Crown copyright and database right 2026.

© Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. The Historic England GIS Data contained in this material was obtained on 2026-11-03. The most publicly available up to date Historic England GIS Data can be obtained from HistoricEngland.org.uk.

© Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right 2026.

© Environment Agency copyright and/or database right 2026. All rights reserved. Flood Map for Planning, Open Government Licence v3.0.

Contains Ordnance Survey data © Crown copyright and database right 2026.

Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2026.

Associated applications

  1. 2026
    11 May

    Certificate of lawfulness to determine whether the proposed garage conversion, single storey side/rear…

    PendingApplicationFiled alongside26/01169/CPD
  2. 2026
    11 May

    Single storey rear extension no greater than 8.00m in depth, 3.84m high with an eaves height of 2.78m.

    This applicationPendingApplication26/01170/PDXL

Source: Windsor

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