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 - 30 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 30 of 30 applications
21 Sept 2026 Under Consultation PLN/2026/1918

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).

Prior approval Part 3 Class MA Milton Keynes
18 Sept 2026 Under Consultation PLN/2026/1948

101 Cottingham Grove, Bletchley, Milton Keynes, MK3 5AG

Proposed erection of single storey rear extension

Householder planning permission Milton Keynes
14 Sept 2026 Under Consultation PLN/2026/1719

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)

Full planning permission Milton Keynes
14 Sept 2026 Under Consultation PLN/2026/1075

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 st...

Outline planning permission Milton Keynes
11 Sept 2026 Under Consultation PLN/2026/1906

68 Whiteley Crescent, Bletchley, Milton Keynes, MK3 5DG

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

Approval of details reserved by a condition Milton Keynes
9 Sept 2026 Under Consultation PLN/2026/1863

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 (T1...

Notification of proposed works to trees in a conservation area Milton Keynes
7 Sept 2026 Under Consultation PLN/2026/1682

21 Bute Brae, Bletchley, Milton Keynes, MK3 7TA

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

Householder planning permission Milton Keynes
4 Sept 2026 Under Consultation PLN/2026/1776

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

Householder planning permission Milton Keynes
3 Sept 2026 Approved 2 Oct PLN/2026/1854

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 t...

Lawful development Milton Keynes
2 Sept 2026 Under Consultation PLN/2026/1843

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

Householder planning permission Milton Keynes
2 Sept 2026 Under Consultation PLN/2026/1783

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 w...

Prior approval Part 1 Class A.1(ea) Milton Keynes
27 Aug 2026 Under Consultation PLN/2026/1811

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

Approval of details reserved by a condition Milton Keynes
25 Aug 2026 Under Consultation PLN/2026/1790

24 San Andres Drive, Newton Leys, Milton Keynes, MK3 5GG

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

Lawful development Milton Keynes
19 Aug 2026 Under Consultation PLN/2026/1704

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 (in...

Lawful development Milton Keynes
18 Aug 2026 Under Consultation PLN/2026/1654

103 Newton Road, Bletchley, Milton Keynes, MK3 5DH

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

Full planning permission Milton Keynes
17 Aug 2026 Under Consultation PLN/2026/1278

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
12 Aug 2026 Under Consultation PLN/2026/1706

68 Sutherland Grove, Bletchley, Milton Keynes, MK3 7NX

Proposed single storey front and rear extensions with garage conversion

Householder planning permission Milton Keynes
10 Aug 2026 Under Consultation PLN/2026/1676

Bletchley Park, Sherwood Drive, Bletchley, Milton Keynes, MK3 6EB

Listed building consent for extensions, alterations & revised access to Block B

Listed building consent (Alt/Ext) Milton Keynes
5 Aug 2026 Approved 30 Sep PLN/2026/1493

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
4 Aug 2026 Under Consultation PLN/2026/1436

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
3 Aug 2026 Approved 18 Sep PLN/2026/1626

264 Whaddon Way, Bletchley, Milton Keynes, MK3 7JP

Certificate of lawfulness for the proposed single storey front porch

Lawful development Milton Keynes
31 Jul 2026 Under Consultation PLN/2026/1533

42 Cottingham Grove, Bletchley, Milton Keynes, MK3 5AX

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

Householder planning permission Milton Keynes
30 Jul 2026 Under Consultation PLN/2026/1592

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

Consent to display an advertisement Milton Keynes
24 Jul 2026 Approved 18 Sep PLN/2026/1560

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

Householder planning permission Milton Keynes
22 Jul 2026 Approved 21 Sep PLN/2026/1447

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
20 Jul 2026 Refused 29 Sep PLN/2026/1433

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 Under Consultation PLN/2026/1432

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 Decided 24 Sep PLN/2026/1431

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
13 Jul 2026 Under Consultation PLN/2026/1323

Royal Oak Club, Porchester Close, Bletchley, Milton Keynes, MK3 7DF

Erection of a conservatory within the rear garden (retrospective)

Full planning permission Milton Keynes
10 Jul 2026 Withdrawn 21 Sep PLN/2026/1442

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
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Data updated daily. Source: Milton Keynes and Buckinghamshire planning portals.