MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

This site has had 8 applications since 2022: 4 approved, 2 refused.

• PLN/2026/1464 Granted

  MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  Non-material amendment seeking changes to the location of and addition to approved panels (relating to permission ref. PLN/2025/2099 for the external alterations to building)

  Submitted 9 Jul 2026 Amendments
• PLN/2026/0657 Refused

  MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  Non-material amendment seeking to approve sections and revise internal layout and unit mix (related to permission ref. PLN/2024/2384 for the Prior approval for the change of use from offices to 83 dwellings)

  Decided 14 May 2026 Amendments
• PLN/2026/0219 Granted

  MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  Approval of details required by condition 4 (Contamination investigation) of permission ref. PLN/2024/2384

  Decided 16 Apr 2026 Conditions
• PLN/2025/2099 Granted

  MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  External alterations to building

  Decided 2 Dec 2025 Full applications
• PLN/2025/1985 Refused

  MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  Prior Approval for a two storey roof extension to form 36 apartments

  Decided 18 Nov 2025 Prior approval
• PLN/2024/2384 Granted

  MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  Prior approval for the change of use from offices to 83 dwellings

  Decided 20 Dec 2024 Prior approval
• 22/02562/FUL Withdrawn

  Mercury House Brickhill Street Willen Lake Milton Keynes MK15 0DJ

  New main entrance with curtain wall glazing and revolving door, new single ply membrane roof covering with new skylights, new external doors and PV panels to roof. Replacement of feature external facades comprising vertical rain-screen cladding panels and double glazed windows. Removal of existing wall louvres/vehicle doors, and replacement with new red brickwork and windows walls to match existing building. Alteration to soft and hard landscaping, parking arrangements and installation of external seating. New external 2m high hit and miss timber enclosures for plant areas and for bin stores.

  Decided 5 Jun 2023 Full applications

1. 24 Jun 2026

   Received by Milton Keynes

2. 26 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 21 October 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 57 days over the applications it decided in the last year.

This application is with Milton Keynes for determination, against a statutory target of eight weeks. Over the last year Milton Keynes decided prior approval applications in a median of 43 days. More in our guide to how long planning decisions take.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  PLN/2026/1464 Submitted 9 Jul 2026 50 yards away

  Non-material amendment seeking changes to the location of and addition to approved panels (relating to permission ref. PLN/2025/2099 for the external alterations to building)

  Granted Amendments 23 docs

• MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  PLN/2024/2384 Submitted 30 Oct 2024 50 yards away

  Prior approval for the change of use from offices to 83 dwellings

  Granted Prior approval 30 docs
  Major scheme

• MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  PLN/2026/0219 Submitted 5 Feb 2026 50 yards away

  Approval of details required by condition 4 (Contamination investigation) of permission ref. PLN/2024/2384

  Granted Conditions 4 docs

• MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  PLN/2025/2099 Submitted 3 Oct 2025 50 yards away

  External alterations to building

  Granted Full applications 17 docs

• MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  PLN/2025/1985 Submitted 22 Sep 2025 50 yards away

  Prior Approval for a two storey roof extension to form 36 apartments

  Refused Prior approval New dwelling Extension 28 docs
  Major scheme

• MERCURY HOUSE, BRICKHILL STREET, WILLEN LAKE, MILTON KEYNES, MK15 0DJ

  PLN/2026/0657 Submitted 26 Mar 2026 50 yards away

  Non-material amendment seeking to approve sections and revise internal layout and unit mix (related to permission ref. PLN/2024/2384 for the Prior approval for the change of use from offices to 83 dwellings)

  Refused Amendments 16 docs
  Major scheme

• PLN/2026/1651 Granted

  5 PLP BUSINESS PARK, DICKINSON AVENUE, BOW BRICKHILL, MILTON KEYNES, MK17 9LG

  Prior approval for the installation of solar photovoltaic (PV) panels on roof with a total system capacity of 365.66kWp

  Received 5 Aug, published by the council 15 Aug 2026 Prior approval
• PLN/2026/1153 Granted

  31 THE HIGH STREET, TWO MILE ASH, MILTON KEYNES, MK8 8HA

  Prior Approval for change of use of hair salon (Class E) to dwellinghouse (Class C3)

  Received 25 May, published by the council 10 Aug 2026 Prior approval
• PLN/2026/1463 Granted

  47 NEWPORT ROAD, NEW BRADWELL, MILTON KEYNES, MK13 0AQ

  Prior approval for the Change of use from Commercial, Business and Service (Use Class E) to Mixed Uses of Commercial, Business and Service (Use Class E) and Dwellinghouses (1 unit) (Use Class C3)

  Received 9 Jul, published by the council 4 Aug 2026 Prior approval
• PLN/2026/1972 Awaiting decision

  82 CENTURY AVENUE, OLDBROOK, MILTON KEYNES, MK6 2UH

  Prior Approval of single storey rear extension, with eaves of 3 metres and maximum height of 3.1 metres, extending 3.7 metres from the original rear wall

  Received 22 Sep, published by the council 3 Oct 2026 Prior approval
• PLN/2026/1447 Granted

  14 GRANGE ROAD, BLETCHLEY, MILTON KEYNES, MK3 5HS

  Prior Approval of single storey rear extension, with eaves of 2.95 metres and maximum height of 3.20 metres, extending 4.00 metres from the existing rear wall and 4.00 metres from the original rear wall

  Received 8 Jul, published by the council 27 Jul 2026 Prior approval