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Planning application

PLN/2026/1368

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

Awaiting decision Milton Keynes Listed building consent (alterations or extension)

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

As published by the council, reference PLN/2026/1368

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

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Milton Keynes for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About heritage and listed buildings applications

How this application type works

Heritage applications concern listed buildings and conservation areas. Listed building consent is needed for works, inside or out, that affect the special interest of a listed building, and carrying out such works without consent is a criminal offence. The council weighs harm to the heritage asset against any public benefit of the proposal.

More on heritage and listed buildings applications in our guide

Nearby applications

Within 500 metres

  • PLN/2026/1196 Awaiting decision

    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

    3 Jun 2026 0m away Trees
  • PLN/2026/1309 Awaiting decision

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

    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

    19 Jun 2026 0m away Trees
  • PLN/2026/1307 Awaiting decision

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

    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

    19 Jun 2026 0m away Full applications
  • PLN/2026/1306 Awaiting decision

    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

    18 Jun 2026 0m away Trees
  • PLN/2026/1191 Awaiting decision

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

    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)

    21 May 2026 0m away Trees
  • PLN/2026/0918 Granted

    61 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BY

    Erection of timber-framed greenhouse in rear garden

    5 May 2026 456m away Householder

In Milton Keynes

  • PLN/2026/1163 Granted

    HAVERSHAM GRANGE, 30 HIGH STREET, HAVERSHAM, MILTON KEYNES, MK19 7DX

    Listed building consent for the installation of 5no. oak stair treads to overlay existing treads

    2 Jun 2026 Heritage and listed buildings
  • PLN/2026/1548 Awaiting decision

    44-46 Midsummer Arcade, Central Milton Keynes, Milton Keynes, MK9 3BB

    Listed Building Consent for the external alterations to Boulevard elevation to facilitate relocation of double set doors and replacement of glazing & surrounds, and internal alterations to include a new shopfront (squared corner) to align with the Arcade shopfront line necessitating fixing to the travertine flooring

    22 Jul 2026 Heritage and listed buildings
  • PLN/2026/1000 Granted

    THE MANOR HOUSE, THE GREEN, WOUGHTON ON THE GREEN, MILTON KEYNES, MK6 3BE

    Listed Building Consent for the installation of stairlift to main internal staircase

    14 May 2026 Heritage and listed buildings
  • PLN/2026/1099 Granted

    14 HIGH STREET, OLNEY, MK46 4BB

    Listed building consent for the installation of defibrillator and bleed kit cabinets to external front elevation

    26 May 2026 Heritage and listed buildings
  • PLN/2026/1222 Granted

    11 COMMON STREET, RAVENSTONE, OLNEY, MK46 5AR

    Listed Building Consent for the proposed minor internal layout amendments and minor external refurbishments including replacement of the front entrance door, and a new rear door replacing the existing window and EV charging point to front elevation

    26 May 2026 Heritage and listed buildings