St Marys College 268 Waldegrave Road Twickenham TW1 4SX

23/1020/GPX13GPD P7M - Ext of School etc and HospitalRefused

Outline / PiP

Refused on 14 June 2023

Council decision: Prior Approval RefusedDelegated (officer decision)

Approximate location: the centre of the postcode, not the exact property.

Proposal

The proposed development comprises of two new extensions, which includes a new entrance foyer and extending the main function with a new raised terrace. The building would be increased in height to provide a new mezzanine floor above the main function room. This new mezzanine mansard roof would be lower than the existing adjoining roof

Received: 14 April 2023
Decision level: Delegated (officer decision)
Council: London Borough of Richmond upon Thames
Ward: South Twickenham Ward [STT]

ReceivedReceived14 Apr
ValidatedValidated19 Apr
Consult.Consultation
TargetTarget Date14 Jun
DecidedDecided14 Jun

Decided in 56 days (council typically 49)

About this application

This is an outline application for an extension at St Marys College 268 Waldegrave Road Twickenham TW1 4SX. Richmond has handled 2,078 applications of this type. This one was decided in 61 days, 12 days longer than Richmond's typical decision time. The site is in 2 listed buildings nearby. There have been 3 other applications at this address. In the past year there have been 161 applications across South Twickenham Ward [STT]. We hold 1,488 applications in total for the TW1 postcode area.

87% of outline applications at London Borough of Richmond upon Thames were approved. Across all application types, the council typically decides in about 7 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: TW1 4SX
Application type: GPD P7M - Ext of School etc and Hospital
Scale / size: Small
Parish: Strawberry Hill Village
District: EN North Team

Planning application dates

Date validated: 19 April 2023
Neighbour consultation start: 19 April 2023
Target decision date: 14 June 2023
Application expires: 10 May 2023

Applicant and agent

Agent address: The Old Library 12 Church Street Warwick CV34 4AB

Planning decision

Statutory period: 56 days

Additional information

Planning Portal ID: PP-12092872
UPRN: 100023392499
Documents: 16

Site constraints

Checking the site

2/3

Council recordsAppealsFlood risk

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

Flood zone 1: Low probability (rivers and sea)

Not published by this council, so not checked: Article 4 directions. Ask the council if these matter.

Possibly incomplete for this council: tree preservation orders.

Also checked, none recorded (22)

flood storage areas, conservation 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.

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.

Planning history at this site

20 other applications at this property, newest first.

Source: Richmond

Contains public sector information from the Planning London Datahub, licensed under the Open Government Licence v3.0.

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