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The Mansion, Bletchley Park, Sherwood Drive, Bletchley, Milton Keynes, MK3 6EB

PLN/2026/0321Listed building consent (alterations or extension)Approved
Listed building consent

Approved

Council decision: Approved with ConditionsDelegated (officer decision)

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

Proposal

Listed building consent for the repair and restoration of The Bletchley Park Mansion external fabric, including brick and stone replacements, full reroofing and lead repairs, overhaul of the rainwater goods to increase capacity, the structural repair of chimneys and flues, the restoration and redecoration of the timber and crittall windows, the removal of asbestos insulation in the roof voids and the replacement of the failed condemned mansafe system

Received
18 February 2026
Decision level
Delegated (officer decision)
Ward
Bletchley Park
  1. Received18 Feb
  2. Validated18 Feb
  3. Consult.
  4. Target
  5. Decided

About this application

This is a heritage application for a roof replacement at The Mansion, Bletchley Park, Sherwood Drive, Bletchley, Milton Keynes, MK3 6EB. Milton Keynes has handled 104 applications of this type. It has been with the council since 18 February 2026 and is still awaiting a decision. The site is in the Bletchley conservation area, with 11 listed buildings nearby. There are no previous applications recorded at this address. In the past year there have been 32 applications across Bletchley Park. We hold 98 applications in total for the MK3 postcode area.

93% of heritage applications at Milton Keynes City Council 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
MK3 6EB
Application type
Listed building consent (alterations or extension)
Scale / size
Small
Parish
West Bletchley

Planning application dates

Date validated
18 February 2026
Application expires
15 April 2026

Planning decision

Decision
Approved with Conditions
Statutory period
56 days

Additional information

Planning Portal ID
PP-14703808
Documents
30

Site constraints

Checking the site
2/3
Council recordsAppealsFlood risk

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

  • Conservation area: Bletchley
  • Listed building: Grade II: Cottages 1, 2 and 3On or next to this site
  • Article 4 direction: Article 4 Direction relating to Houses in Multiple Occupation (HIMO) - Immediate direction+1 more
  • Flood zone 1: Low probability (rivers and sea)
Also checked, none recorded (21)

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, 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.

Source: Milton Keynes

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