The Mansion, Bletchley Park, Sherwood Drive, Bletchley, Milton Keynes, MK3 6EB
Under Consultation
PLN/2026/0321 - Listed building consent (alterations or extension)
Description
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
Other new applications on this street
Nearby new applications
61 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BY
Erection of timber-framed greenhouse in rear garden
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BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB
Crown reduction by 3m of Cherry (T108)
54 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BL
Prior approval of rear/side extension with eaves of 3 metres and maximum height ...
54 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BL
Certificate of lawfulness for proposed single storey side and rear extensions, a...
Historical activity at this location
34 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
2021
Approved
Variation of condition 2 (Temporary period) of permission ref. 19/02549/FUL seeking to al…
2019
Approved
To install a temporary modular single story classroom block.
2017
With conditions
Details submitted pursuant to discharge of condition 3 (external materials) attached to p…
2016
Approved
Listed building consent for the demolition and rebuilding of the sentry box
2016
Approved
Demolition and rebuilding of the sentry box (part retrospective)
2016
Approved
Listed building consent to refurbish the larder, game larder, servants WC, maid's workroo…
2016
Approved
To refurbish the larder, game larder, servants WC, maid's workroom, kitchen and scullery…
2016
Approved
Tree preservation order consent to prune back all branches overhanging garden of 16 Welch…
2016
Approved
Notification of intention to prune back all branches overhanging garden of 16 Welchman Co…
Within ~100m
Nearby activity
2025
With conditions
BLOCK H THE NATIONAL MUSEUM OF COMPUTING, BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB
Advertisement consent for the proposed re-location of a Tommy Flowers Mural
2025
With conditions
BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB
The pollarding to previous points (by up to 6m) of Willow Trees (T76 & T68) protected by…
2025
With conditions
BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB
The crown reduction by 3m of Horse Chestnut (T51) protected by Milton Keynes Council Tree…
2024
With conditions
Bletchley Park, Sherwood Drive, Bletchley, Milton Keynes, MK3 6EB
Listed Building Consent for 2 wayfinding blade post mounted signs, and 6 wall mounted sig…
2023
Withdrawn
Land At Park Gardens Bletchley Milton Keynes MK3 6HT
28 day notification for the proposed installation of a 9m lightpole
2019
Approved
17 Roche Gardens Bletchley Milton Keynes MK3 6HR
Retention of single storey rear conservatory
2019
Approved
Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Notification of intention to pollard to previous pollard points T134 & T135 Lombardy popl…
2019
Withdrawn
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Erection of two one bedroom semi - detached houses with associated parking spaces
2019
Approved
Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Listed building consent for the change of use from office (B1) to museum (D1) with associ…
2019
Approved
Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Change of use from office (B1) to museum (D1) with associated works to facilitate the new…
2019
Approved
Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Advertisement consent to erect a freestanding, powder coated white, steel sign depicting…
2018
Approved
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Erection of a four bedroom detached house with associated parking spaces
2018
Approved
Bletchley Park Trust Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Listed building consent for redecoration of Blocks A, B and E and the Annex
2018
Bletchley Park Trust Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Redecoration of Blocks A, B and E and the Annex
2018
Withdrawn
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Erection of 2no. one bedroom houses with associated parking spaces.
2018
Between Bletchley Park And Wilton Avenue Bletchley Milton Keynes MK3 6EB
Tree preservation order consent for the installation of a gas pipline within a convervati…
2017
Approved
Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Work to Block H; to replace asbestos cement roof sheeting with Marley Eternit Profile 6 f…
2017
Approved
Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Listed building consent for work to Block H; to replace asbestos cement roof sheeting wit…
2017
Approved
Hut 11A Bletchley Park Sherwood Drive Bletchley
Installation of; mechanical ventilation, insulation in roof, lighting and heating control…
2016
Approved
Fennella Park Gardens Bletchley Milton Keynes MK3 6HT
Demolition of outbuilding and erection of new bungalow
2016
Approved
Museum Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Listed building consent for the installation of security screens to doors and windows on…
2016
Approved
Museum Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Installation of security screens to doors and windows on block D, Installation of 1800mm…
2016
Approved
The Mansion Bletchley Park Wilton Avenue Bletchley Milton Keynes MK3 6EB
Tree preservation order consent for partial crown reduction to clear highway trees, 1m fr…
2020
Approved
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Variation of condition 1 (Approved plans) attached to planning application 18/01535/FUL t…
2020
With conditions
Fennella Park Gardens Bletchley Milton Keynes MK3 6HT
Details submitted pursuant to discharge of conditions 3 (external materials), 5 (ground c…
Milton Keynes
Planning Authority Score
5.4/10
Average
#126 of 292 councils
Relevant to this application:
Other decisions
Milton Keynes ranks #160 out of 292 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).
These figures are council-wide context, not a prediction for this application.
View full council performance
Milton Keynes decision performance
Based on MHCLG data, 2025
87%
Overall approval rate
Above avg (87%) #168 of 292
92%
Householder approved
Above avg (90%) #149 of 292
63%
Decided in 8 weeks
Below avg (64%) #160 of 292
35%
Extended time limit
Below avg (40%) #99 of 292
46%
Minor dwellings approved
80 decided (1-9 homes)
75%
Major dwellings approved
24 decided (10+ homes)
65%
Change of use approved
52 decided
1,290
Total decisions
173 refused in 2025