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Planning application

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

Granted Milton Keynes PLN/2026/1191 Notification of proposed works to trees in a conservation area

Works: Trees

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

The crown lifting to 2m above ground level of Crab Apple (E) and Cherry trees (B, C & D), the crown reduction by 2m back from building of Willow (A), and the coppicing to ground level of self set trees and regrowth from old stump of Sycamores (G27)

As published by the council, reference PLN/2026/1191

Application record

Reference
PLN/2026/1191
Type
Notification of proposed works to trees in a conservation area
Status
Decision Made
Decision
Granted As published: Approved
Received
21 May 2026
Validated
23 Jun 2026
Decided
31 Jul 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 4 applications since 2019: 4 approved, 0 refused.

  • PLN/2026/1306 Granted

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

    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

    Decided 11 Aug 2026 Trees
  • PLN/2026/0321 Granted

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

    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

    Decided 9 Apr 2026 Heritage and listed buildings
  • 19/02549/FUL Granted

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

    To install a temporary modular single story classroom block.

    Decided 12 Nov 2019 Full applications

Timeline

Dates from the published record

  1. 21 May 2026

    Received by Milton Keynes

  2. 23 Jun 2026

    Validated

    Checked as complete and ready for consideration.

  3. 27 Jul 2026

    Added to PlanIndex

  4. 31 Jul 2026

    Decision issued: Approved

Documents

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

6 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Milton Keynes granted permission on 31 July 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About tree works applications

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

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

    PLN/2026/1676 Submitted 6 Aug 2026 50 yards away

    95% 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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
  • BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    PLN/2026/1307 Submitted 19 Jun 2026 50 yards away

    77% historically approved · decision due ~17 Aug

    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

    Awaiting decision Full applications 23 docs

In Milton Keynes

  • PLN/2026/2074 Awaiting decision

    ST ANDREWS CHURCH, PARKLANDS, GREAT LINFORD, MILTON KEYNES, MK14 5DZ

    The reduction in height by 10m and sides by 8m (Repollard to main stem) on Horse Chestnut trees (T1,T2 & T3)

    Received 6 Oct, published by the council 11 Oct 2026 Trees
  • PLN/2026/1754 Granted

    8 CROFTS END, SHERINGTON, NEWPORT PAGNELL, MK16 9NE

    The removal of (Tree 1) Crab Apple and (Tree 5) Cherry Plum. The 2,5m top and side crown reduction of (Tree 2) Sweet Cherry and (Tree 3) Cherry Plum. The 2,5m top and side crown reduction and removal of one bough for (Tree 4) Greengage Plum.

    Received 20 Aug, published by the council 9 Sep 2026 Trees
  • PLN/2026/1809 Granted

    3 THE MALTINGS, SILVER END, OLNEY, MK46 4AT

    The removal of an elderflower tree and 2 x laurel bushes

    Received 27 Aug, published by the council 9 Sep 2026 Trees
  • PLN/2026/1713 Granted

    CHURCH FARM HOUSE, CHEQUERS LANE, NORTH CRAWLEY, NEWPORT PAGNELL, MK16 9LJ

    Fell 1x Scots Pine tree

    Received 13 Aug, published by the council 1 Sep 2026 Trees
  • PLN/2026/1489 Granted

    1-16 STANLEY COURT, OLNEY, MK46 5NH

    The removal of lower branch of Holm Oak tree protected by Milton Keynes Council Tree Preservation Order no. PS/540/15/52

    Received 14 Jul, published by the council 31 Jul 2026 Trees