Planning application
Mulsanne 1 Mill Lane Kings Sutton OX17 3RG
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Variation of condition 2, to add fire escape window via the installation of the dormer window in lieu of front facing velux windows of approved 2025/0417/FULL [Proposed extension, garage conversion with associated internal and external works, render finish to side wall]
As published by the council, reference 2026/0306/S73
Application record
- Reference
- 2026/0306/S73
- Type
- Removal/Variation of Condition(s) Following Grant of Planning Permission
- Status
- 10 - Approved
- Decision
- Granted As published: Approval
- Received
- 16 Jan 2026
- Validated
- 16 Jan 2026
- Decided
- 23 Mar 2026
- Ward
- Middleton Cheney
- Parish
- Kings Sutton
- Decision by
- Delegated
- Postcode
- OX17 3RG
Site history
Applications at this address on the West Northamptonshire register
This site has had 2 applications since 2026: 2 approved, 0 refused.
-
2026/3283/COND Granted
Mulsanne 1 Mill Lane Kings Sutton OX17 3RG
Discharge of conditions 4 (Drawing timber sample) and 5 (Render sample) of planning permission 2025/0417/FULL (Proposed extension, garage conversion with associated internal and external works, render finish to side wall) and 2026/0306/S73 (Variation of condition 2, to add fire escape window via the installation of the dormer window in lieu of front facing velux windows of approved 2025/0417/FULL)
Timeline
Dates from the published record
-
16 Jan 2026
Received by West Northamptonshire
-
23 Mar 2026
Decision issued: Approval
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
2026/3283/COND Granted
Mulsanne 1 Mill Lane Kings Sutton OX17 3RG
Discharge of conditions 4 (Drawing timber sample) and 5 (Render sample) of planning permission 2025/0417/FULL (Proposed extension, garage conversion with associated internal and external works, render finish to side wall) and 2026/0306/S73 (Variation of condition 2, to add fire escape window via the installation of the dormer window in lieu of front facing velux windows of approved 2025/0417/FULL)
Documents
Plans, drawings, consultee responses and the officer's report
16 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
West Northamptonshire granted permission on 23 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Mulsanne 1 Mill Lane Kings Sutton OX17 3RG
Discharge of conditions 4 (Drawing timber sample) and 5 (Render sample) of planning permission 2025/0417/FULL (Proposed extension, garage conversion with associated internal and external works, render finish to side wall) and 2026/0306/S73 (Variation of condition 2, to add fire escape window via the installation of the dormer window in lieu of front facing velux windows of approved 2025/0417/FULL)
Granted Conditions Extension Loft or dormer +1 6 docs -
Hollands Barn 5 Mill Lane Kings Sutton OX17 3RG
Work to TPO tree (05/1983), T1 - Oak, reduce crown height by 2.5m (back to previous) and shape 5% crown thin.
Granted Trees 6 docs -
7 Holland Rise Kings Sutton OX17 3RZ
T1 - Horse Chestnut - reduce height by 3.5-4.0m and shape. 5% crown thin. Work requested as part of periodic maintenance requirement due to the close proximity of dwellings. Specification requested would leave this significant tree at the same height as the previous crown reduction.
Granted Trees 7 docs -
11 Holland Rise Kings Sutton OX17 3RZ
T1 Walnut - Reduce asymmetrical canopy by up to 2M
Withdrawn Trees 6 docs -
Court House 3 The Square Kings Sutton OX17 3RF
Shepherds hut on wheels (Retrospective)
Granted Full applications 19 docs -
Barn at Court House Farm Mill Lane Kings Sutton
89% historically approved · decision due ~19 Oct
Conversion of a redundant barn to a single residential unit
Awaiting decision Full applications 35 docs
Other amendment applications
In West Northamptonshire
-
2026/2973/NMA Granted
96 Balmoral Road Northampton NN2 6JZ
Non material amendment to revise front elevation and alter rear garden stairs to planning permission 2025/0718/FULL (Conversion of a single dwelling house into two separate dwellings)
-
2026/3839/NMA Granted
35 Leah Bank Northampton NN4 8RG
Non material amendment to retain existing window previously proposed for removal, internal layout alterations inc. the relocation of an internal partition wall by approx. 150mm into the adjoining room and relocation of an internal door opening to planning permission 2024/1488/FULL [Proposed first floor side extension].
-
2026/2782/S73 Granted
30 Horton Drive Middleton Cheney OX17 2LN
Variation of condition 3 (materials) to render side extension with white chalk monocouche to planning permission 2025/3828/FULL (Side extension with associated internal works)
-
2026/3403/NMA Granted
1 Naseby Road Clipston LE16 9RZ
Non-material amendment to approved WND/2021/0629 [Single storey side and rear extension] by reversing the location of the new door and window to the side extension so the door is to the rear of the dwelling and the window to the front and replacement of two rooflights with one larger rooflight.
-
2026/2790/S73 Granted
The Blades Helmdon Road Sulgrave OX17 2SQ
Variation of Condition 2 2nd floor front extension and Two storey side extension removed. Second floor loft conversion removed to 2025/2695/FULL (2 storey front, side and rear extension. New second floor and roof alterations. New windows and doors. Chimney reduction).