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9 Robert Adam Street London W1U 3HN

25/00755/LBCListed Building Consent ApplicationRefused
Listed building consent

Refused on 28 March 2025

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

Installation of an overflow pipe from existing roof, including new rainwater hopper and downpipe to front elevation. (Linked with 25/00754/FULL)

Received
5 February 2025
Ward
Marylebone
Agent
MDB Associates
  1. Received5 Feb
  2. Validated5 Feb
  3. Consult.
  4. Target2 Apr
  5. Decided28 Mar

Decided in 51 days (council typically 49)

About this application

This is a heritage application at 9 Robert Adam Street London W1U 3HN. Westminster has handled 2,677 applications of this type. This one was decided in 51 days. The site is in the Portman Estate conservation area, with 7 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 171 applications across Marylebone. We hold 1,068 applications in total for the W1U postcode area.

93% of heritage applications at City of Westminster 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.See what's approved near your address

Application details

Postcode
W1U 3HN
Application type
Listed Building Consent Application
Scale / size
Small

Planning application dates

Date validated
5 February 2025
Target decision date
2 April 2025

Applicant and agent

Agent
MDB Associates
Agent address
Ladysden Farm Winchet Hill Goudhurst Kent TN17 1JX

Planning decision

Statutory period
56 days

Additional information

Planning Portal ID
PP-13635385
Comments
0
Documents
9

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

Designations that overlap or adjoin the site outline.

  • Conservation area: Portman Estate
  • Listed building: Grade II: 2-5, Fitzhardinge Street W1On this site · +3 more
  • Article 4 direction: Article 4 Basement Development Permitted Rights Removed
  • Brownfield land register: 14-15 Fitzhardinge Street London W1H 6DHRegister site at or near this address
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (20)

flood storage areas, tree preservation orders, 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 and heritage coasts.

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. 2025
    5 Feb

    Installation of an overflow pipe from existing roof, including new rainwater hopper and downpipe to front…

    RefusedListed building consentPart of25/00754/FULL
  2. 2025
    5 Feb

    Installation of an overflow pipe from existing roof, including new rainwater hopper and downpipe to front…

    This applicationRefusedListed building consent25/00755/LBC

Source: Westminster

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

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