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3 Truss Hill Road Ascot SL5 9AJ

14/00709/CPDCert of Lawfulness of Proposed DevApproved
Outline / PiP

Approved on 7 April 2014

Council decision: Permitted DevelopmentDelegated (officer decision)

Approximate site (title boundary)
Boundary © HM Land Registry, © Ordnance Survey · details

This information is subject to Crown copyright and database rights 2026 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2026 Ordnance Survey AC0000851063. Conditions of use.

Proposal

Certificate of Lawfulness to determine whether the proposed dormer extension to loft is lawful

Received
5 March 2014
Decision level
Delegated (officer decision)
  1. Received5 Mar
  2. Validated5 Mar
  3. Consult.4 Apr
  4. Target30 Apr
  5. Decided7 Apr

Decided in 33 days (council typically 56)

About this application

This is an outline application for a dormer extension at 3 Truss Hill Road Ascot SL5 9AJ. Windsor has handled 644 applications of this type. This one was decided in 33 days, 3 weeks quicker than Windsor's typical decision time. The site is in a conservation area. There have been 2 other applications at this address. We hold 1,448 applications in total for the SL5 postcode area.

67% of outline applications at Royal Borough of Windsor and Maidenhead were approved. Across all application types, the council typically decides in about 8 weeks (median).

Based on decided applications received in the last 3 years.Planning something similar? See what gets approved on your street

Application details

Postcode
SL5 9AJ
Application type
Cert of Lawfulness of Proposed Dev
Scale / size
Small
Parish
Sunninghill And Ascot Parish

Planning application dates

Date validated
5 March 2014
Consultation expiry
4 April 2014
Consultation end
4 April 2014
Neighbour consultation end
4 April 2014
Target decision date
30 April 2014
Committee meeting
19 March 2017

Applicant and agent

Agent address
50 White Horse Road Windsor SL4 4PQ

Planning decision

Statutory period
56 days

Additional information

Documents
8
Constraints
3

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • 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 (21)

flood storage areas, listed buildings, green belt, 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. 2014
    5 Mar

    Single storey rear extension and front porch

    ApprovedFullFiled alongside14/00708/FULL
  2. 2014
    5 Mar

    Certificate of Lawfulness to determine whether the proposed dormer extension to loft is lawful

    This applicationApprovedOutline14/00709/CPD

Source: Windsor

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