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Planning application

BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

Awaiting decision Milton Keynes PLN/2026/1307 Full planning permission

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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

As published by the council, reference PLN/2026/1307

Application record

Reference
PLN/2026/1307
Type
Full planning permission
Status
Under Consultation
Received
19 Jun 2026
Validated
22 Jun 2026
Ward
Bletchley Park & Fenny Stratford
Parish
West Bletchley
Decision by
Delegated Decision
Postcode
MK3 6EB

Site history

Applications at this address on the Milton Keynes register

This site has had 8 applications since 2020: 6 approved, 0 refused.

  • PLN/2026/1676 Awaiting decision

    BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    Listed building consent for extensions, alterations & revised access to Block B

    Submitted 6 Aug 2026 Heritage and listed buildings
  • PLN/2026/1368 Granted

    BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    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

    Decided 17 Aug 2026 Heritage and listed buildings
  • PLN/2026/1196 Granted

    BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    To crown lift lower branches/limbs overhanging road to 3.5m above ground of 1x Copper Beech tree (T83) protected by Milton Keynes Council Tree Preservation Order PS/540/15/139

    Decided 31 Jul 2026 Trees
  • PLN/2026/0687 Granted

    BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    Crown reduction by 3m of Cherry (T108)

    Decided 15 May 2026 Trees
  • PLN/2026/0471 Granted

    BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    The crown reduction by 5m of 2x Blue Atlas Cedar (T74-75), and reduction to previous points (approx 5m) of Lime (T104), protected by Milton Keynes Council Tree Preservation Order no. PS/450/15/139

    Decided 19 May 2026 Trees
  • 20/01277/FUL Granted

    Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB

    Proposed Learning and Collection Centre, staff offices and exhibition spaces in Blocks A and E and Teleprinter Annex. (Previous applications 19/00663/FUL and 19/00664/LBC)

    Decided 4 Aug 2020 Full applications
  • 20/01278/LBC Granted

    Bletchley Park Sherwood Drive Bletchley Milton Keynes MK3 6EB

    Listed building consent for a proposed Learning and Collection Centre, staff offices and exhibition spaces in Blocks A and E and Teleprinter Annex. (Previous applications 19/00663/FUL and 19/00664/LBC)

    Decided 4 Aug 2020 Heritage and listed buildings

Timeline

Dates from the published record

  1. 19 Jun 2026

    Received by Milton Keynes

  2. 22 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 27 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 17 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Milton Keynes took a median of 56 days over the applications it decided in the last year.

Documents

Plans, drawings, consultee responses and the officer's report

23 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Milton Keynes for determination, against a statutory target of eight weeks. Over the last year Milton Keynes decided full applications in a median of 88 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/1676 Submitted 6 Aug 2026 0m away

    96% historically approved · decision due ~5 Oct

    Listed building consent for extensions, alterations & revised access to Block B

    Awaiting decision Heritage and listed buildings Extension 16 docs

  • BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/0471 Submitted 9 Mar 2026 0m away

    The crown reduction by 5m of 2x Blue Atlas Cedar (T74-75), and reduction to previous points (approx 5m) of Lime (T104), protected by Milton Keynes Council Tree Preservation Order no. PS/450/15/139

    Granted Trees 6 docs

  • BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/1196 Submitted 3 Jun 2026 0m away

    To crown lift lower branches/limbs overhanging road to 3.5m above ground of 1x Copper Beech tree (T83) protected by Milton Keynes Council Tree Preservation Order PS/540/15/139

    Granted Trees 5 docs

  • BLETCHLEY PARK, WILTON AVENUE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/1309 Submitted 19 Jun 2026 0m away

    The crown lift of secondary branches up to 25mm diameter to 2.5m above ground of Oak Tree (T29) protected by Milton Keynes Council Tree Preservation Order no. PS/540/15/139

    Granted Trees 5 docs

  • BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/1368 Submitted 19 Jun 2026 0m away

    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

    Granted Heritage and listed buildings 25 docs

  • THE MANSION, BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/1306 Submitted 18 Jun 2026 0m away

    The crown lift to 2m above ground over footpath of Cedar (T102) protected by Milton Keynes Council Tree Preservation Order no. PS/540/15/139 and the crown lift to 4m above ground along boundary by parking bays/kerbs and prune back by 2m from street lights of mixed trees in Group E protected by Milton Keynes Council Tree Preservation Order no. PS/540/15/136

    Granted Trees 6 docs

In Milton Keynes

  • PLN/2026/0640 Granted

    120 QUEENSWAY, BLETCHLEY, MILTON KEYNES, MK2 2RU

    Part two storey rear extension, part single storey rear extension and first floor extension to provide 3 x Studio Flats & 1 x 1 Bed flat on first floor with new external staircase to flats and roof top amenity space, ground floor extension to provide additional storage and commercial use, associated cycle and refuse storage

    24 Mar 2026 Full applications
  • PLN/2026/0642 Refused

    106 QUEENSWAY, BLETCHLEY, MILTON KEYNES, MK2 2RU

    Change of use of ground floor from shop to bingo hall (sui generis), including alteration to front elevation at ground floor level

    24 Mar 2026 Full applications
  • PLN/2025/2390 Granted

    65 HIGH STREET, NEWPORT PAGNELL, MK16 8AB

    Change of use for the two upper floors (first and second) from pharmacy shop storage (Class E) to a two-bedroom flat (Class C3) with roof, windows and door refurbishment and replacement

    10 Nov 2025 Full applications
  • PLN/2025/1999 Granted

    67 HIGH STREET, STONY STRATFORD, MILTON KEYNES, MK11 1AY

    Change of use of ground floor from bank (use class E) to a wine bar (use class sui generis)

    23 Sep 2025 Full applications
  • PLN/2026/0880 Refused

    11 GARNER LANE, GLEBE FARM, MILTON KEYNES, MK17 8JE

    Change of use from dwelling (Class C3) to children home (Class C2).

    29 Apr 2026 Full applications