Postcode district
Planning applications in MK3
PlanIndex holds 368 planning applications with MK3 postcodes, the earliest from 2019, the newest from August 2026. 85% of clear-cut decisions were approvals.
Applications in MK3
Newest first · page 1 of 8
-
PLN/2026/1706 Awaiting decision
68 SUTHERLAND GROVE, BLETCHLEY, MILTON KEYNES, MK3 7NX
Proposed single storey front and rear extensions with garage conversion
-
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
-
PLN/2026/1626 Awaiting decision
264 WHADDON WAY, BLETCHLEY, MILTON KEYNES, MK3 7JP
Certificate of lawfulness for the proposed single storey front porch
-
PLN/2026/1560 Awaiting decision
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
-
PLN/2026/1533 Awaiting decision
42 COTTINGHAM GROVE, BLETCHLEY, MILTON KEYNES, MK3 5AX
Proposed single storey rear extensions with roof light & part garage conversion
-
PLN/2026/1493 Awaiting decision
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.
-
PLN/2026/1447 Awaiting decision
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
-
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
-
PLN/2026/1442 Awaiting decision
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
-
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
-
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
-
PLN/2026/1323 Awaiting decision
ROYAL OAK CLUB, PORCHESTER CLOSE, BLETCHLEY, MILTON KEYNES, MK3 7DF
Erection of a conservatory within the rear garden (retrospective)
-
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
-
PLN/2026/1302 Granted
18 BYRON CLOSE, BLETCHLEY, MILTON KEYNES, MK3 5BD
Erection of single-storey side and rear extension
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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)
-
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
-
PLN/2026/1035 Granted
102 NEWTON ROAD, BLETCHLEY, MILTON KEYNES, MK3 5BY
Proposed alterations to external materials
-
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
-
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)
-
PLN/2026/0974 Awaiting decision
11 HIGHFIELD CLOSE, BLETCHLEY, MILTON KEYNES, MK3 6JH
Removal of existing conservatory and erection of a single storey rear extension and replacement garage
-
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
-
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)
-
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
-
PLN/2026/0937 Granted
264 WHADDON WAY, BLETCHLEY, MILTON KEYNES, MK3 7JP
Erection of single storey front, side and rear extensions
-
PLN/2026/0918 Granted
61 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BY
Erection of timber-framed greenhouse in rear garden
-
PLN/2026/0905 Granted
53 WINDMILL HILL DRIVE, BLETCHLEY, MILTON KEYNES, MK3 7RE
Proposed construction of single storey front porch, removal of flat roof over garage and provision of new tiled pitched roof
-
PLN/2026/0911 Granted
5 COTTINGHAM GROVE, BLETCHLEY, MILTON KEYNES, MK3 5AA
Erection of a first floor side extension and garage conversion and single storey rear extension
-
PLN/2026/0915 Awaiting decision
35 SANDOWN COURT, BLETCHLEY, MILTON KEYNES, MK3 5LZ
Erection of a two storey side and rear extension and single storey rear extension
-
PLN/2026/0901 Split decision
68 WHITELEY CRESCENT, BLETCHLEY, MILTON KEYNES, MK3 5DG
Approval of details required by conditions 3 (Surface Water) and 4 (Materials) of permission ref. PLN/2024/2728
-
PLN/2026/0866 Granted
42 ARUNDEL GROVE, BLETCHLEY, MILTON KEYNES, MK3 6AX
Certificate of lawfulness for proposed garage conversion
-
PLN/2026/0834 Granted
44 WARWICK ROAD, BLETCHLEY, MILTON KEYNES, MK3 6AN
Erection of a single storey side and rear extension and alterations to front and rear elevation doors and windows
-
PLN/2026/0833 Granted
Land North and South of Galapagos Grove, Newton Leys, Bletchley, MK3 5RP
Non-material amendment seeking changes to Employment Land 2 consisting of Block A 13-18 moved 1m closer toward Sark Drive, several front entrance paths amended to comply with Part M4(2) level access, adoptable road turning head outside of Plot 22/23 is made deeper to comply with Section 38 approval requirements - subsequent parking spaces have been moved backwards slightly to suit new turning head alignment, T8 & T9 proposed retained trees now proposed as trees to be removed due to proximity to Block A 13-18 car park and EMAW32 Plots 7 & 29 handings amended to comply with ramped access requirements for Part M4(3a) requirements along with changes to Employment Land 3 consisting of Public Right of Way to Southwest of Employment Land 3 has been realigned to reduce number of steps onto the adjacent bund on the development (to provide a safer access approach), Plot 110 EMB31 house type has had added proposed gable end windows - to improve the street scene and minimise the blank gable end on the street corner, Several front entrance paths amended to comply with Part M4(2) level access and storm water drainage ditch to the Northwest has been realigned in accordance with the LLFA surface water drainage consent (DISCON approval ref. PLN/2025/2314) (relating to permission ref. PLN/2025/1868 for the 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)
-
PLN/2026/0813 Awaiting decision
1-28 KNARESBOROUGH COURT, BLETCHLEY, MILTON KEYNES, MK3 7DS
Proposed creation of a bin store space
-
PLN/2026/0810 Granted
97 BUCKINGHAM ROAD, BLETCHLEY, MILTON KEYNES, MK3 5HP
First floor front extension over existing garage and porch and insertion of window to side elevation
-
PLN/2026/0774 Granted
1 MIDDLESEX DRIVE, BLETCHLEY, MILTON KEYNES, MK3 7JB
Proposed loft conversion
-
PLN/2026/0733 Granted
90 WINDMILL HILL DRIVE, BLETCHLEY, MILTON KEYNES, MK3 7RR
Removal of existing conservatory and erection of a single storey rear extension
-
PLN/2026/0727 Granted
4 Home Close, Bletchley, Milton Keynes, MK3 6JE
The erection of a single storey side extension with roof lights and extension of vehicle hardstanding
-
PLN/2026/0687 Granted
BLETCHLEY PARK, SHERWOOD DRIVE, BLETCHLEY, MILTON KEYNES, MK3 6EB
Crown reduction by 3m of Cherry (T108)
-
PLN/2026/0610 Refused
128 BUCKINGHAM ROAD, BLETCHLEY, MILTON KEYNES, MK3 5HX
Approval of details required by condition 4 (thatched roof) of permission ref. PLN/2025/2373
-
PLN/2026/0594 Granted
54 CHURCH GREEN ROAD, BLETCHLEY, MILTON KEYNES, MK3 6BL
Certificate of lawfulness for proposed single storey side and rear extensions, alteration to existing windows
-
PLN/2026/0600 Granted
Dagnall House, Buckingham Road, Newton Longville, Buckinghamshire, MK3 5LA
Variation of condition(s) 1 (Approved plans) and 4 (Highways) seeking to amend the access design (relating to permission ref. 22/02682/OUT Outline application (matters of access to be considered, with matters of layout, scale, appearance and landscaping reserved) for the erection of up to 34no. dwellings following the demolition of the existing Dagnall House and associated outbuildings (cross-boundary application with matters of access to be determined by Milton Keynes Council and all other matters to be determined by Buckinghamshire Council, Aylesbury Vale area))
-
PLN/2026/0550 Granted
13 HONDURAS GARDENS, NEWTON LEYS, MILTON KEYNES, MK3 5LY
Proposed garage conversion & double storey extension above garage
-
PLN/2026/0545 Granted
The Old Swan, 8 Shenley Road, Bletchley, Milton Keynes, MK3 6EZ
Advertisement consent for display of 1x pictorial projecting sign, 1x fascia sign, 2 set of sign written text and logo, 3x welcome signs, 1x directional panel to existing post, and 1x car park directional sign