Bletchley Park, Sherwood Drive, Bletchley, Milton Keynes, MK3 6EB Data via plota.co.uk

PLN/2026/1368 - Listed building consent (Alt/Ext) Approved
Listed buildings

Proposal

Listed building consent for installation of ASHP and associated equipment across two locations (The Mansion/Hut 4 and Block E) and the removal of the existing oil boilers and oil storage tanks Data via plota.co.uk

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Application progress

✓
Received
19 Jun 2026
✓
Validated
22 Jun 2026
✓
Approved
17 Aug 2026

Approved on 17 Aug 2026 · Delegated Decision · Last checked 22 Aug 2026

Documents 25

Decision & officer reports 2

PDF Decision Notice APPDNOT - Decision Notice · 17 Aug 2026 View ↗ PDF Final Officer Report APPDELRP - Delegated Report · 17 Aug 2026 View ↗

Statements & assessments 9

PDF Combined Design, Access and Heritage Statement 2 of 2 LBCSTATE - Heritage or LBC Statement · 19 Jun 2026 View ↗ PDF 9847 S(0)021 - Survey - Block E ASHP Oil Storage Tank - Elevations APPELVE - Elevations Existing · 19 Jun 2026 View ↗ PDF 9847 S(0)020 - Survey, Block E ASHP Oil Storage Tank - Location Plan APPPRLAY - Proposed Site Layout · 19 Jun 2026 View ↗ PDF Combined Design, Access and Heritage Statement 1 of 2 LBCSTATE - Heritage or LBC Statement · 19 Jun 2026 View ↗ PDF 9847 S(0)010 - Survey, The Mansion & Hut 4 ASHP - Location Plan PLAN-ALL - Plans that contain 2 or more plan types · 19 Jun 2026 View ↗ PDF 9847 S(0)011 - Survey, The Mansion & Hut 4 ASHP - Elevations APPELVE - Elevations Existing · 19 Jun 2026 View ↗ PDF Appendix II - Combined Design, Access and Heritage Statement 2 of 2 - Photographs of ASHP Locations LBCSTATE - Heritage or LBC Statement · 19 Jun 2026 View ↗ PDF Appendix IV - Combined Design, Access and Heritage Statement 2 of 2 - MEP Services Stage 3 Design Report LBCSTATE - Heritage or LBC Statement · 19 Jun 2026 View ↗ PDF Appendix V - Combined Design, Access and Heritage Statement 2 of 2 - Extract from Oliver Hayes Tree Report 2022 LBCSTATE - Heritage or LBC Statement · 19 Jun 2026 View ↗

Plans & drawings 12

PDF P241088-XX-XX-DR-M-1101 Rev C - Proposed Block E Plant Room Layout APPSUPP - Other Supporting Documents/Information · 19 Jun 2026 View ↗ PDF P241088-XX-XX-DR-M-1103 Rev B - Proposed Mansion Plant Room Layout APPSUPP - Other Supporting Documents/Information · 19 Jun 2026 View ↗ PDF 9847 P(0) 011 - Proposed The Mansion & Hut 4 ASHP - Elevations APPELVP - Elevations Proposed · 19 Jun 2026 View ↗ PDF 9847 P(0) 010 - Proposed, The Mansion & Hut 4 ASHP - Site Plan APPPRLAY - Proposed Site Layout · 19 Jun 2026 View ↗ PDF 9847 P(0) 021 - Proposed Block E ASHP Elevations APPELVP - Elevations Proposed · 19 Jun 2026 View ↗ PDF 9847 D(0)020 - Demolition, Block E ASHP Oil Storage Tank - Location Plan APPBLOCK - Block Plans · 19 Jun 2026 View ↗ PDF 9847 D(0)011 - Demolition, The Mansion & Hut 4 ASHP - Elevations APPSUPP - Other Supporting Documents/Information · 19 Jun 2026 View ↗ PDF 9847 D(0)021 - Demolition Block E ASHP Oil Storage Tank - Elevations APPELVE - Elevations Existing · 19 Jun 2026 View ↗ PDF 9847 D(0)010 - Demolition, The Mansion & Hut 4 ASHP - Location Plan APPBLOCK - Block Plans · 19 Jun 2026 View ↗ PDF 9847 L(0)001 - Location Plan APPLOCA - Site/Location Plans · 19 Jun 2026 View ↗ PDF Drawing Issue Sheet APPLIST - Application Plan List · 19 Jun 2026 View ↗ PDF 9847 P(0) 020 - Proposed Block E ASHP - Site Plan APPPRLAY - Proposed Site Layout · 19 Jun 2026 View ↗

Application forms 1

PDF Application Form APPFRWEB - Application Form - Web Form · 19 Jun 2026 View ↗

Other documents 1

PDF P241088-XX-XX-DR-ME-2002 Rev C - Proposed Site Wide heating Strategy APPSUPP - Other Supporting Documents/Information · 19 Jun 2026 View ↗

All documents on the council site ↗

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Important details

Council
Milton Keynes
Application type
Listed building consent (Alt/Ext)
Postcode
MK3 6EB
Received
19 Jun 2026
Validated
22 Jun 2026
Ward
Bletchley Park & Fenny Stratford
Parish
West Bletchley
Case officer
Show
Target decision
17 Aug 2026
Decision
Approved with Conditions
Decision date
17 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
The Bletchley Park Trust

Public comments

2comments received
2 neutral

Last counted 22 Aug 2026

Read the comments on the council site ↗

Historical activity at this location

48 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
The pollarding to previous points (by up to 6m) of Willow Trees (T76 & T68) protected by…
PLN/2025/1380
2025 Approved
The crown reduction by 3m of Horse Chestnut (T51) protected by Milton Keynes Council Tree…
PLN/2025/0024
2024 Approved
Listed Building Consent for 2 wayfinding blade post mounted signs, and 6 wall mounted sig…
24/01962/LBC
2024 Approved
Advertisement consent for 2 wayfinding blade post mounted signs, and 6 wall mounted signs
24/01374/ADV
2024 Approved
The crown reduction by 1/3 of Green Beech (T1), felling to the ground of Silver Birches (…
24/00390/TPO
2024 Approved
The felling to the ground of Rowan (T44) and Box Elder (T175), the reduction by 1.5m from…
24/00484/TCA
2023 Approved
Advertisement consent for the display of x4 non-illuminated fascia signs, x4 non-illumina…
23/01420/ADV
2022 Approved
The lifting of the crown to 5.5 metres to Common Beech (T47) tree protected by Milton Key…
22/02182/TPO
2021 Approved
Listed Building Consent for improved access between Block A, Teleprinter Annex and Block…
21/02631/LBC
2021 Approved
Improved access between Block A, Teleprinter Annex and Block E with associated landscape…
21/02630/FUL
2021 Refused
Confirmation that all conditions relating to application 04/01858/FUL have been discharge…
21/01626/DISCON
2021 Approved
Alterations to Block A as approved under 20/01278/LBC, for improvements to access, enviro…
21/00738/LBC
2021 Approved
Sycamore T8, T169, T172, T180 Black Pine T179, Lawson Cypress T184, T165 G9 x 1 Laburnum…
21/00128/TPO
2020 Approved
Proposed Learning and Collection Centre, staff offices and exhibition spaces in Blocks A…
20/01277/FUL
2020 Approved
Listed building consent for a proposed Learning and Collection Centre, staff offices and…
20/01278/LBC
2019 Refused
Details submitted pursuant to discharge of conditions 2, 3, 4, 5, 7, 8, 10, 11, 16, 21, 2…
19/02757/DISCON
2019 Approved
Tree Preservation order for 137 (Ash)- Fell to ground level; T78 (Atlas Cedar)-Crown lift…
19/01831/TPO
2019 Approved
Notification of intention to pollard to previous pollard points T134 & T135 Lombardy popl…
19/01619/TCA
2019 Approved
Listed building consent for the change of use from office (B1) to museum (D1) with associ…
19/00664/LBC
2019 Approved
Change of use from office (B1) to museum (D1) with associated works to facilitate the new…
19/00663/FUL
2019 Approved
Advertisement consent to erect a freestanding, powder coated white, steel sign depicting…
19/00514/ADV
2017 Approved
Tree preservation order consent to reduce and reshape crown by 1m to Group of Holly trees…
17/03027/TPO
2017 Approved
Work to Block H; to replace asbestos cement roof sheeting with Marley Eternit Profile 6 f…
17/02485/FUL
2017 Approved
Listed building consent for work to Block H; to replace asbestos cement roof sheeting wit…
17/02486/LBC
Within ~100m

Nearby activity

2025 Approved
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
PLN/2025/1321
2023 Withdrawn
Land At Park Gardens Bletchley Milton Keynes MK3 6HT
28 day notification for the proposed installation of a 9m lightpole
23/02462/NOTTEL
2020 Approved
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Variation of condition 1 (Approved plans) attached to planning application 18/01535/FUL t…
20/01469/FULMMA
2020 Approved
Fennella Park Gardens Bletchley Milton Keynes MK3 6HT
Details submitted pursuant to discharge of conditions 3 (external materials), 5 (ground c…
20/00342/DISCON
2020 Withdrawn
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Variation of conditions 1 (Approved Drawings), 2 (Expiry of Permission), 3 (Materials), 4…
20/00118/FULMMA
2019 Approved
17 Roche Gardens Bletchley Milton Keynes MK3 6HR
Retention of single storey rear conservatory
19/02122/FUL
2019 Withdrawn
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Erection of two one bedroom semi - detached houses with associated parking spaces
19/01402/FUL
2018 Approved
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Erection of a four bedroom detached house with associated parking spaces
18/01535/FUL
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
18/01647/LBC
2018
Bletchley Park Trust Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Redecoration of Blocks A, B and E and the Annex
18/01646/FUL
2018 Withdrawn
13 Roche Gardens Bletchley Milton Keynes MK3 6HR
Erection of 2no. one bedroom houses with associated parking spaces.
18/00190/FUL
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…
18/00546/TPO
2017 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Details submitted pursuant to discharge of condition 3 (external materials) attached to p…
17/02644/DISCON
2017 Approved
Hut 11A Bletchley Park Sherwood Drive Bletchley
Installation of; mechanical ventilation, insulation in roof, lighting and heating control…
17/01394/FUL
2016 Approved
Fennella Park Gardens Bletchley Milton Keynes MK3 6HT
Demolition of outbuilding and erection of new bungalow
16/03355/FUL
2016 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Listed building consent for the demolition and rebuilding of the sentry box
16/03581/LBC
2016 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Demolition and rebuilding of the sentry box (part retrospective)
16/03580/FUL
2016 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Listed building consent to refurbish the larder, game larder, servants WC, maid's workroo…
16/03261/LBC
2016 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
To refurbish the larder, game larder, servants WC, maid's workroom, kitchen and scullery…
16/03191/FUL
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…
16/03056/LBC
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…
16/03055/FUL
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…
16/02806/TPO
2016 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Tree preservation order consent to prune back all branches overhanging garden of 16 Welch…
16/02253/TPO
2016 Approved
The Mansion Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB
Notification of intention to prune back all branches overhanging garden of 16 Welchman Co…
16/02214/TCA
Milton Keynes
Planning Authority Score
7.1/10
Good
#59 of 296 councils
Relevant to this application:
Other decisions

Milton Keynes is faster than most councils at deciding householder applications, ranking #52 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Milton Keynes decision performance
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #156 of 296
92%
Householder approved
Above avg (90%) #159 of 296
78%
Decided in 8 weeks
Above avg (63%) #52 of 296
28%
Extended time limit
Below avg (41%) #45 of 296
55%
Minor dwellings approved
66 decided (1-9 homes)
83%
Major dwellings approved
23 decided (10+ homes)
71%
Change of use approved
49 decided
1,088
Total decisions
134 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings