Planning Applications in MK3

Planning authorities: Milton Keynes Council, Buckinghamshire Council

Search current and historic planning applications in the MK3 postcode district across Milton Keynes and Buckinghamshire - 24 in the last 90 days. Filter applications by date, status, development type, or number of homes, view them on the map, or create a free alert for new applications.

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Showing 24 of 24 applications
PLN/2026/1278 19 Aug 2026 Under Consultation

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

Proposed erection of a new dwelling with associated access and parking

Full planning permission Milton Keynes 19 Aug 2026
PLN/2026/1493 5 Aug 2026 Under Consultation

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,...

Householder planning permission Milton Keynes 5 Aug 2026
PLN/2026/1436 4 Aug 2026 Under Consultation

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 an...

Householder planning permission Milton Keynes 4 Aug 2026
PLN/2026/1533 31 Jul 2026 Under Consultation

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

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

Householder planning permission Milton Keynes 31 Jul 2026
PLN/2026/1447 22 Jul 2026 Valid

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 r...

Prior approval Part 1 Class A.1(ea) Milton Keynes 22 Jul 2026
PLN/2026/1431 20 Jul 2026 Under Consultation

GALAPAGOS GROVE, NEWTON LEYS, MILTON KEYNES

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

Approval of details reserved by a condition Milton Keynes 20 Jul 2026
PLN/2026/1432 20 Jul 2026 Under Consultation

GALAPAGOS GROVE, NEWTON LEYS, MILTON KEYNES

Approval of details required by condition 7 (boundary treatments) of permission ref. PLN/2025/1868

Approval of details reserved by a condition Milton Keynes 20 Jul 2026
PLN/2026/1433 20 Jul 2026 Under Consultation

GALAPAGOS GROVE, NEWTON LEYS, MILTON KEYNES

Approval of details required by condition 8 (Hard & Soft Landscaping) of permission ref. PLN/2025/1868

Approval of details reserved by a condition Milton Keynes 20 Jul 2026
PLN/2026/1323 13 Jul 2026 Under Consultation

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

Erection of a conservatory within the rear garden (retrospective)

Full planning permission Milton Keynes 13 Jul 2026
PLN/2026/1442 10 Jul 2026 Under Consultation

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...

Prior approval Part 1 Class A.1(ea) Milton Keynes 10 Jul 2026
PLN/2026/1435 7 Jul 2026 Refused

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

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

Approval of details reserved by a condition Milton Keynes 7 Jul 2026
PLN/2026/1354 25 Jun 2026 Approved

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

Approval of details reserved by a condition Milton Keynes 25 Jun 2026
PLN/2026/1191 23 Jun 2026 Approved

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), ...

Notification of proposed works to trees in a conservation area Milton Keynes 23 Jun 2026
PLN/2026/1307 22 Jun 2026 Under Consultation

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...

Full planning permission Milton Keynes 22 Jun 2026
PLN/2026/1368 22 Jun 2026 Approved

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 ...

Listed building consent (Alt/Ext) Milton Keynes 22 Jun 2026
PLN/2026/1302 19 Jun 2026 Under Consultation

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

Erection of single-storey side and rear extension

Householder planning permission Milton Keynes 19 Jun 2026
PLN/2026/1309 19 Jun 2026 Approved

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 O...

Consent under Tree Preservation Orders Milton Keynes 19 Jun 2026
PLN/2026/1306 18 Jun 2026 Approved

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 c...

Consent under Tree Preservation Orders Milton Keynes 18 Jun 2026
PLN/2026/0915 16 Jun 2026 Under Consultation

35 SANDOWN COURT, BLETCHLEY, MILTON KEYNES, MK3 5LZ

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

Householder planning permission Milton Keynes 16 Jun 2026
PLN/2026/0974 15 Jun 2026 Under Consultation

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

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

Householder planning permission Milton Keynes 15 Jun 2026
PL/26/04747/NMA 10 Jun 2026 Decided

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 Par...

Non Material Amendment Buckinghamshire 10 Jun 2026
PLN/2026/0813 10 Jun 2026 Under Consultation

1-28 KNARESBOROUGH COURT, BLETCHLEY, MILTON KEYNES, MK3 7DS

Proposed creation of a bin store space

Full planning permission Milton Keynes 10 Jun 2026
PLN/2026/1196 8 Jun 2026 Approved

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 Preserv...

Consent under Tree Preservation Orders Milton Keynes 8 Jun 2026
PLN/2026/1142 29 May 2026 Approved

GALAPAGOS GROVE, NEWTON LEYS, MILTON KEYNES

Approval of details required by condition 16 (Management & maintenance of unadopted roads) of permission ref. PLN/2025/1868

Approval of details reserved by a condition Milton Keynes 29 May 2026
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Data updated daily. Source: Milton Keynes and Buckinghamshire planning portals.