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Planning applications in MK3

PlanIndex holds 398 planning applications with MK3 postcodes, the earliest from 2019, the newest from October 2026. 86% of clear-cut decisions were approvals.

398
Applications since 2019
86%
Approved clear-cut outcomes
2
Planning authorities

Applications in MK3

Newest first · page 1 of 8

  • PL/26/08620/NMA Awaiting decision

    Dagnall House Buckingham Road Bletchley Milton Keynes MK3 5LA

    Non material amendment to planning permission 22/03770/AOP (Demolition of the existing Dagnall House and associated outbuildings and erection of up to 34no. dwellings with all matters apart from access reserved) to allow revised access for Conditions 4 & 14

    Submitted 22 Oct 2026 Amendments
  • PLN/2026/2069 Awaiting decision

    Employment Land 2 & 3, Newton Leys, Milton Keynes, MK3 5SD

    Approval of details required by conditions 4 (Surface Water Drainage Scheme), 5 (Surface Water Run-Off), 21 (External Materials), 22 (Secure Compound) of permission ref. PLN/2025/1868

    Submitted 5 Oct 2026 Conditions
  • PLN/2026/2038 Awaiting decision

    ROMANS FIELD SCHOOL, 202-208 SHENLEY ROAD, BLETCHLEY, MILTON KEYNES, MK3 7AW

    The construction of a single storey standalone specialist education building, together with associated parking, access and circulation works, hard and soft landscaping, drainage and other ancillary works (Regulation 3 application under the Town and Country Planning General Regulations 1992)

    Submitted 30 Sep 2026 Full applications
  • PLN/2026/1948 Awaiting decision

    101 COTTINGHAM GROVE, BLETCHLEY, MILTON KEYNES, MK3 5AG

    Proposed erection of single storey rear extension

    Submitted 18 Sep 2026 Householder
  • PLN/2026/1906 Awaiting decision

    68 WHITELEY CRESCENT, BLETCHLEY, MILTON KEYNES, MK3 5DG

    Approval of details required by condition 3 (surface water drainage) of permission ref. PLN/2024/2728

    Submitted 11 Sep 2026 Conditions
  • PLN/2026/1918 Awaiting decision

    74 Church Green Road, Bletchley, MK3 6BY

    Prior approval for the change of use from day nursery ((Class E)(f)) to a dwelling house (Class C3).

    Submitted 10 Sep 2026 Prior approval
  • PLN/2026/1863 Awaiting decision

    THE OLD RECTORY, CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BJ

    Removal of Horse Chestnut (T16) and Sycamore (T24), and removal of dead section of subdominant limb to east over public footpath of Horse Chestnut (T17)

    Submitted 4 Sep 2026 Trees
  • PLN/2026/1854 Granted

    6 ST CATHERINES AVENUE, BLETCHLEY, MILTON KEYNES, MK3 5EE

    Certificate of lawfulness for the proposed loft conversion including the installation of 2no. rooflights to the front roof slope and 2no. rooflights to the rear roof slope

    Submitted 3 Sep 2026 Lawful development
  • PLN/2026/1843 Awaiting decision

    42 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BL

    Erection of a pitched-roof dormer with associated windows, replacement front porch, and installation of additional first-floor windows

    Submitted 2 Sep 2026 Householder
  • PLN/2026/1811 Awaiting decision

    BLETCHLEY HOUSE, BEAVERBROOK COURT, BLETCHLEY, MILTON KEYNES, MK3 7JS

    Approval of details required by condition 6 (Surface water drainage) and condition BNG1 (Biodiversity net gain) of permission ref. PLN/2024/2175

    Submitted 27 Aug 2026 Conditions
  • PLN/2026/1790 Awaiting decision

    24 SAN ANDRES DRIVE, NEWTON LEYS, MILTON KEYNES, MK3 5GG

    Certificate of lawfulness for proposed loft conversion with rooflights to front and rear elevations

    Submitted 25 Aug 2026 Lawful development
  • PLN/2026/1776 Awaiting decision

    18 LUNDY WALK, NEWTON LEYS, MILTON KEYNES, MK3 5FH

    Installation of 2no. air conditioning units and 1no. Air Source Heat Pump unit to existing property

    Submitted 24 Aug 2026 Householder
  • PLN/2026/1783 Awaiting decision

    8 LUDLOW CLOSE, BLETCHLEY, MILTON KEYNES, MK3 6BB

    Prior Approval of single storey rear extension, with eaves of 3m metres and maximum height of 3m metres, extending 4.5 metres from the original rear wall

    Submitted 21 Aug 2026 Prior approval
  • PLN/2026/1719 Awaiting decision

    76 MELROSE AVENUE, BLETCHLEY, MILTON KEYNES, MK3 6PS

    Change of Use of existing dwellinghouse (Class C3) to a specialised residential children's care home (Class C2)

    Submitted 14 Aug 2026 Full applications
  • PLN/2026/1706 Awaiting decision

    68 SUTHERLAND GROVE, BLETCHLEY, MILTON KEYNES, MK3 7NX

    Proposed single storey front and rear extensions with garage conversion

    Submitted 12 Aug 2026 Householder
  • PLN/2026/1682 Awaiting decision

    21 BUTE BRAE, BLETCHLEY, MILTON KEYNES, MK3 7TA

    Proposed single story extension at rear, two story extension side, front porch

    Submitted 10 Aug 2026 Householder
  • PLN/2026/1704 Awaiting decision

    14 CRAIGMORE AVENUE, BLETCHLEY, MILTON KEYNES, MK3 6HD

    Certificate of lawfulness for proposed erection of a single-storey detached outbuilding in the rear garden to be used as a gym, sauna, and jacuzzi (incidental to the enjoyment of the main dwellinghouse) and front garden alterations to install a new aggregate concrete hardstanding and new brick and steel railing to the front and side fences

    Submitted 10 Aug 2026 Lawful development
  • 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/2026/1654 Awaiting decision

    103 NEWTON ROAD, BLETCHLEY, MILTON KEYNES, MK3 5DH

    Subdivision of existing plot and erection of 2-bedroom class C3 dwellinghouse

    Submitted 5 Aug 2026 Full applications
  • PLN/2026/1626 Granted

    264 WHADDON WAY, BLETCHLEY, MILTON KEYNES, MK3 7JP

    Certificate of lawfulness for the proposed single storey front porch

    Submitted 3 Aug 2026 Lawful development
  • PLN/2026/1592 Awaiting decision

    BLOCK H THE NATIONAL MUSEUM OF COMPUTING, BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB

    Advertisement consent for the display of non-illuminated bronze plaque

    Submitted 30 Jul 2026 Advertising
  • PLN/2026/1560 Granted

    25 WHITELEY CRESCENT, BLETCHLEY, MILTON KEYNES, MK3 5DQ

    Erection of a two storey side and rear extension, single storey rear extension, and single storey front and side extension

    Submitted 24 Jul 2026 Householder
  • PLN/2026/1533 Awaiting decision

    42 COTTINGHAM GROVE, BLETCHLEY, MILTON KEYNES, MK3 5AX

    Proposed single storey rear extensions with roof light & part garage conversion

    Submitted 20 Jul 2026 Householder
  • PLN/2026/1493 Granted

    34 WORDSWORTH DRIVE, BLETCHLEY, MILTON KEYNES, MK3 5HR

    Removal of existing rear sun room and erection of a single storey rear/side extension, removal of chimney stack and extension of existing rear dormer, alterations to front and rear windows and doors, and other internal alterations.

    Submitted 14 Jul 2026 Householder
  • 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

    Submitted 8 Jul 2026 Prior approval
  • PLN/2026/1436 Awaiting decision

    54 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BL

    Erection of two single storey side extensions, two single storey rear extensions, rear roof canopy, installation of external fire place and chimney and a single storey front and side extension, front canopy and alterations to existing roof height

    Submitted 7 Jul 2026 Householder
  • PLN/2026/1442 Withdrawn

    101 COTTINGHAM GROVE, BLETCHLEY, MILTON KEYNES, MK3 5AG

    Prior Approval of single storey rear extension, with eaves of 3.0 metres and maximum height of 3.0 metres, extending 4.0 metres from the existing rear wall and 4.0 metres from the original rear wall

    Submitted 7 Jul 2026 Prior approval
  • PLN/2026/1435 Refused

    139 BUCKINGHAM ROAD, BLETCHLEY, MILTON KEYNES, MK3 5JD

    Approval of details required by condition 3 (door details) of permission ref. PLN/2025/2035

    Submitted 7 Jul 2026 Conditions
  • PLN/2026/1354 Granted

    Employment Land 2 & 3, Newton Leys, Milton Keynes , MK3 5SD

    Approval of details required by condition 6 (Surface water drainage) of permission ref. PLN/2024/2749

    Submitted 25 Jun 2026 Conditions
  • PLN/2026/1323 Awaiting decision

    ROYAL OAK CLUB, PORCHESTER CLOSE, BLETCHLEY, MILTON KEYNES, MK3 7DF

    Erection of a conservatory within the rear garden (retrospective)

    Submitted 22 Jun 2026 Full applications
  • 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

    Submitted 19 Jun 2026 Full applications
  • PLN/2026/1302 Granted

    18 BYRON CLOSE, BLETCHLEY, MILTON KEYNES, MK3 5BD

    Erection of single-storey side and rear extension

    Submitted 19 Jun 2026 Householder
  • 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

    Submitted 19 Jun 2026 Heritage and listed buildings
  • PLN/2026/1309 Granted

    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

    Submitted 19 Jun 2026 Trees
  • 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

    Submitted 18 Jun 2026 Trees
  • PLN/2026/1278 Awaiting decision

    LAND TO REAR OF 131 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6DE

    Proposed erection of a new dwelling with associated access and parking

    Submitted 16 Jun 2026 Full applications
  • PL/26/04747/NMA Awaiting decision

    New Leys Buckingham Road Bletchley Milton Keynes MK3 5LA

    Non-material amendment to planning permission 24/02481/ADP (Submission of reserved matters (access, landscaping, appearance, scale and layout) for Parcel 1B pursuant to Outline Planning Permission 15/00314/AOP comprising the construction of 234 dwellings with associated parking, garaging, open space and balancing ponds for surface water attenuation and infrastructure) to allow for amendment to parking layout to incorporate extra parking spaces for plots 317 and 320; moving tree at front of plot 321 to front of plot 315 with change to plant species; and reduction of height of brick piers and railings beside plot 321

    Submitted 10 Jun 2026 Amendments
  • 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

    Submitted 3 Jun 2026 Trees
  • PLN/2026/1126 Split decision

    BLETCHLEY HOUSE, BEAVERBROOK COURT, BLETCHLEY, MILTON KEYNES, MK3 7JS

    Approval of details required by conditions 4 (external lighting strategy), 6 (surface water drainage scheme), 7 (faunal enhancement plan) and 8 (Bee Orchid translocation strategy) of permission ref. PLN/2024/2175

    Submitted 28 May 2026 Conditions
  • PLN/2026/1075 Awaiting decision

    REDHOUSE, TATTENHOE LANE, BLETCHLEY, MILTON KEYNES, MK3 7RB

    Outline application (matters of layout and scale to be considered, with matters of access, appearance and landscaping reserved) for erection of two storey extensions, single storey extension and balcony, pergola and garage/ancillary block

    Submitted 22 May 2026 Outline
  • PLN/2026/1191 Granted

    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)

    Submitted 21 May 2026 Trees
  • PLN/2026/1042 Granted

    SITE TO REAR OF 75 FORFAR DRIVE, BLETCHLEY, MILTON KEYNES, MK3 7LX

    Certificate of lawfulness for the confirmation that permission ref. 18/02557/FUL has been commenced by reason of the physical excavation of trenches and the installation of a sub-surface foul water drainage run

    Submitted 19 May 2026 Lawful development
  • PLN/2026/1035 Granted

    102 NEWTON ROAD, BLETCHLEY, MILTON KEYNES, MK3 5BY

    Proposed alterations to external materials

    Submitted 19 May 2026 Householder
  • PLN/2026/1003 Granted

    BUCKINGHAM HOUSE, BUCKINGHAM ROAD, BLETCHLEY, MILTON KEYNES, MK3 5LD

    Approval of details required by condition 27 (Gas assessment) of permission ref. PLN/2025/0702

    Submitted 15 May 2026 Conditions
  • PLN/2026/1005 Granted

    Dagnall House, Buckingham Road, Newton Longville, MK3 5LA

    Construction of access from Buckingham Road to a 34-dwelling housing site approved by Buckinghamshire County Council under ref. 22/03770/AOP (access previously approved by MKCC ref. 22/02682/OUT)

    Submitted 15 May 2026 Full applications
  • PLN/2026/0974 Granted

    11 HIGHFIELD CLOSE, BLETCHLEY, MILTON KEYNES, MK3 6JH

    Removal of existing conservatory and erection of a single storey rear extension and replacement garage

    Submitted 12 May 2026 Householder
  • PLN/2026/0955 Granted

    14 CRAIGMORE AVENUE, BLETCHLEY, MILTON KEYNES, MK3 6HD

    Certificate of lawfulness for the proposed single storey rear extension with roof lights. New ground floor side elevation window. Front porch extension with new front door. Conversion of the garage into living space with window to replace the shutter

    Submitted 11 May 2026 Lawful development
  • PLN/2026/0948 Refused

    Employment Land 2 & 3, Newton Leys, Milton Keynes , MK3 5SD

    Approval of details required by the Statutory Biodiversity Net Gain Condition relating to permission ref. PLN/2025/1868 (Variation of condition 1 (Approved plans) seeking to amend the levels of affordable housing provision from 31% to 100% (an all affordable home scheme) (relating to permission ref. PLN/2024/2749 for the Erection of 113 Residential Dwellings With Access, Parking, Landscaping and Associated Works and the Construction of a Store Ancillary to Taylor Wimpey Offices)

    Submitted 8 May 2026 Conditions
  • PLN/2026/0947 Refused

    Employment Land 2 & 3, Newton Leys, Milton Keynes , MK3 5SD

    Approval of details required by condition 6 (maintenance of surface water drainage system) of permission ref. PLN/2025/1868

    Submitted 8 May 2026 Conditions
  • PLN/2026/0937 Granted

    264 WHADDON WAY, BLETCHLEY, MILTON KEYNES, MK3 7JP

    Erection of single storey front, side and rear extensions

    Submitted 7 May 2026 Householder

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