Katherine Mills
Case History
51 HARVEY ROAD NORTHOLT
Approval
Ref: 10355/APP/2025/2949
24th Nov
Conversion of roof space to habitable use to include hip to gable extension, rear dormer, and 3x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
19 BRIDGWATER ROAD RUISLIP
Approval
Ref: 38117/APP/2025/2873
17th Nov
Erection of single storey rear infill extension and alterations to fenestration to existing rear extension.
1 LEA CRESCENT RUISLIP
Approval
Ref: 43552/APP/2025/2840
12th Nov
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
76 EXMOUTH ROAD RUISLIP
Approval
Ref: 66257/APP/2025/2738
28th Oct
Erection of single storey wraparound side and rear extension, following demolition of existing side garage and rear extension
146 LONG DRIVE RUISLIP HA4 0HR
Approval
Ref: 76924/APP/2025/2720
27th Oct
Erection of single storey rear extension and partial demolition of detached garage
15 MOUNT PLEASANT RUISLIP
Approval
Ref: 35802/APP/2025/2699
20th Oct
Erection of pergola to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
15 PRIMROSE GARDENS RUISLIP HA4 6TY
Approval
Ref: 61818/APP/2025/2668
17th Oct
Erection of single storey rear extension, amendments to fenestrations, following the demolition of existing rear conservatory.
79 JUBILEE DRIVE RUISLIP
Refusal
Ref: 8369/APP/2025/2669
17th Oct
Change of use of existing interior garage to habitable use, and amendments to fenestrations (Application for a Certificate of Lawful Development for a Proposed Development).
30 STATION APPROACH SOUTH RUISLIP HA4 6RY
Approval
Ref: 69472/APP/2025/2412
22nd Sep
Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
7 MONKS CLOSE RUISLIP
Approval
Ref: 56776/APP/2025/1945
21st Jul
Erection of a single storey wraparound extension to the side and rear
15 PRIMROSE GARDENS RUISLIP
Prior Approval N/Req
Ref: 61818/APP/2025/1800
1st Jul
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.90 metres, and for which the height of the eaves would be 2.55 metres
19 TIPTREE ROAD RUISLIP HA4 0EW
Approval
Ref: 79554/APP/2025/1723
23rd Jun
Erection of a single storey side and rear extension with associated internal alterations
60 BIDEFORD ROAD RUISLIP
Approval
Ref: 27699/APP/2025/1584
6th Jun
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
53 WEST MEAD RUISLIP MIDDX
Approval
Ref: 65607/APP/2025/1492
29th May
Conversion to roof space to habitable use to include a rear dormer, 3x front roof lights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
25 DUDLEY DRIVE RUISLIP
Approval
Ref: 3711/APP/2025/1483
28th May
Removal of existing conservatory. Erection of a single storey rear extension, and installation of raised patio/decking.
73 PARKFIELD CRESCENT RUISLIP
Prior Approval N/Req
Ref: 3992/APP/2025/1449
23rd May
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.50 metres, for which the maximum height would be 3.40 metres, and for which the height of the eaves would be 3.00 metres
59 DIAMOND ROAD RUISLIP HA4 0PD
Approval
Ref: 79428/APP/2025/1102
13th May
Amendments to fenestration consisting of the removal of existing rear window and installation of new rear door.
7 CREST GARDENS RUISLIP
Prior Approval N/Req
Ref: 44487/APP/2025/1274
6th May
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.56 metres, and for which the height of the eaves would be 2.49 metres
139 QUEENS WALK RUISLIP
Prior Approval N/Req
Ref: 24192/APP/2025/1179
25th Apr
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.20 metres, and for which the height of the eaves would be 2.94 metres.
42 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ
Approval
Ref: 79361/APP/2025/829
21st Mar
Erection of single storey extension to the rear and increase in roof height of existing side extension and front dummy pitched roof.
42 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ
Approval
Ref: 79361/APP/2025/727
20th Mar
Conversion of roof space to habitable use to include a rear dormer, 3x front roof lights, conversion of roof from hip to gable end, and removal of 1x chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
3 PRIMROSE GARDENS RUISLIP
Approval
Ref: 9627/APP/2025/600
5th Mar
Conversion of garage to habitual use, including replacement of garage door with window.
32 STAFFORD ROAD RUISLIP
Approval
Ref: 66809/APP/2025/327
10th Feb
Conversion of roof space to habitable use to include 1 front roof lights, 2 rear roof lights, and conversion of roof from hip to gable end to the side and rear of the dwellinghouse with new gable end window installed to the side. (Application for a Certificate of Lawful Development for a Proposed Development)
159 QUEENS WALK RUISLIP
Approval
Ref: 27864/APP/2025/258
3rd Feb
Demolition of existing conservatory and erection of a single storey rear extension including provision of window to side elevation.
7 LEA CRESCENT RUISLIP
Approval
Ref: 23617/APP/2025/175
23rd Jan
Erection of a single storey extension to the rear (Application for a Certificate of Lawful Development for a Proposed Development)
26 MOUNT PLEASANT RUISLIP
Refusal
Ref: 58370/APP/2024/3195
5th Dec
Conversion of roof space to habitable use to include a rear dormer, 2no. front roof lights, conversion of roof from hip to gable ends (x2) with new gable end window, amendments to fenestration, following the conversion of first floor hipped roof to flat roof (Application for a Certificate of Lawful Development for a Proposed Development).
13 CAVENDISH AVENUE RUISLIP
Approval
Ref: 40362/APP/2024/3187
4th Dec
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
4 BIDEFORD ROAD RUISLIP
Approval
Ref: 45707/APP/2024/3168
3rd Dec
Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
21 PALACE ROAD RUISLIP MIDDLESEX
Approval
Ref: 63281/APP/2024/3070
20th Nov
Erection of an outbuilding to rear garden. Conversion of roof space to habitable use to include a rear dormer, 1 front roof light and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
21 PALACE ROAD RUISLIP MIDDLESEX
Approval
Ref: 63281/APP/2024/3065
19th Nov
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.40 metres, and for which the height of the eaves would be 3.00 metres.
54 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ
Approval
Ref: 76416/APP/2024/3044
18th Nov
Conversion of roof space to habitable use to include a rear dormer and 4 front roof lights, erection of a porch and an outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
115 EXMOUTH ROAD RUISLIP
Approval
Ref: 4947/APP/2024/2967
8th Nov
Conversion of roof space to habitable use to include a rear dormer with juliette balcony and rooflight, 2x roof lights to the front elevation and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
6 ANGUS DRIVE RUISLIP
Prior Approval N/Req
Ref: 21104/APP/2024/2534
20th Sep
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.97 metres, and for which the height of the eaves would be 2.97 metres.
130 THE FAIRWAY RUISLIP HA4 0SH
Approval
Ref: 67889/APP/2024/2422
10th Sep
Erection of a single storey rear extension, and conversion of roof space to habitable use to include 2 x side dormers & front and rear windows (Application for a Certificate of Lawful Development for a Proposed Development)
63 LONG DRIVE RUISLIP
Undecided
Ref: 47034/APP/2024/2268
21st Aug
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end. (Application for a Certificate of Lawful Development for a Existing Development)
8 MASSON AVENUE RUISLIP HA4 6QU
Approval
Ref: 78931/APP/2024/1970
15th Aug
Erection of a single storey extension to the rear following the demolition of the existing conservatory. Conversion of garage to habitable use. Amendments to fenestrations.
62 HARTLAND DRIVE RUISLIP
Approval
Ref: 27903/APP/2024/1887
13th Aug
Conversion of roof space to habitable use to include a rear dormer with juliet balcony, 3 front roof lights, conversion of roof from hip to gable end with new gable end window and removal of an existing rear chimney (Application for a Certificate of Lawful Development for a Proposed Development)
64 HARVEY ROAD RUISLIP
Approval
Ref: 24418/APP/2024/2065
31st Jul
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).
40 BRIDGWATER ROAD RUISLIP
Approval
Ref: 11532/APP/2024/2056
31st Jul
Conversion of garage into habitable room to include replacement of garage door with window.
6 ANGUS DRIVE RUISLIP
Approval
Ref: 21104/APP/2024/2023
25th Jul
Erection of a single storey rear extension and replacement windows on the ground floor flank elevation.
54 MOUNT PLEASANT RUISLIP
Approval
Ref: 9830/APP/2024/1626
19th Jun
Erection of a single storey rear extension, front porch, addition of skylight to existing flat roof and removal of side window on first floor. Removal of garage. Render to elevations and changes to the front facade.
47 WEST MEAD RUISLIP MIDDLESEX HA4 0TW
Prior Approval N/Req
Ref: 70398/APP/2024/1234
28th May
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 4.00 metres, and for which the height of the eaves would be 2.80 metres
9 CREST GARDENS RUISLIP
Approval
Ref: 34011/APP/2024/1140
1st May
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof space from hip to gable end with new gable end window and removal of chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
11 CREST GARDENS RUISLIP MIDDX HA4 9HB
Prior Approval N/Req
Ref: 64614/APP/2024/640
12th Mar
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 2.80 metres
2B WEST MEAD RUISLIP
Approval
Ref: 4039/APP/2024/574
5th Mar
Erection of a single storey rear extension
97 ROYAL CRESCENT RUISLIP
Approval
Ref: 28411/APP/2024/548
4th Mar
Conversion of roof space to habitable use to include a rear dormer, and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
286 LONG DRIVE RUISLIP HA4 0HZ
Prior Approval N/Req
Ref: 78517/APP/2024/139
19th Jan
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres.
57 QUEENS WALK RUISLIP HA4 0LX
Approval
Ref: 78417/APP/2023/3423
27th Nov
Erection of an outbuilding in rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
58 BRIDGWATER ROAD RUISLIP HA4 0EB
Approval
Ref: 71108/APP/2023/3366
23rd Nov
Conversion of detached rear garage to habitable use to include the increasing the roof height.
67 HARVEY ROAD NORTHOLT
Approval
Ref: 977/APP/2023/3173
1st Nov
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 2 front roof lights, conversion of roof from hip to gable end and removal of existing chimney. (Application for a Certificate of Lawful Development for a Proposed Development)
179 LONG DRIVE RUISLIP
Approval
Ref: 78070/APP/2023/2719
15th Sep
Erection of a single storey rear infill extension.
32 DEANE AVENUE RUISLIP
Approval
Ref: 44123/APP/2023/2422
14th Aug
Erection of single storey extension to side and rear. Erection of a front porch. Roof alterations to include removal of chimney stack.
31 WEST MEAD RUISLIP HA4 0TW
Prior Approval N/Req
Ref: 74086/APP/2023/2310
7th Aug
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.6 metres, and for which the height of the eaves would be 2.45 metres.
6 TIPTREE ROAD RUISLIP HA4 0EW
Approval
Ref: 78183/APP/2023/2248
28th Jul
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres.
6 TIPTREE ROAD RUISLIP HA4 0EW
Approval
Ref: 78183/APP/2023/2253
28th Jul
Conversion of roof space to habitable use to include a rear dormer roof extension and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
12 GLEBE AVENUE RUISLIP
Approval
Ref: 1272/APP/2023/1910
30th Jun
Erection of single storey side and rear extensions
16 MONKS CLOSE RUISLIP
Approval
Ref: 18433/APP/2023/1712
13th Jun
Erection of a single storey extension to rear/side. Erection of a front porch.
49 WINGFIELD WAY RUISLIP
Approval
Ref: 6751/APP/2023/1523
24th May
Conversion of garage to home gym involving extension to outbuilding
120 WEST MEAD RUISLIP HA4 0TN
Refusal
Ref: 77026/APP/2023/1352
10th May
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.50 metres, and for which the height of the eaves would be 2.90 metres
55 SHALDON DRIVE RUISLIP HA4 0UJ
Prior Approval N/Req
Ref: 78011/APP/2023/1338
9th May
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 4.00 metres, and for which the height of the eaves would be 2.65 metres
31 NORTHOLT AVENUE RUISLIP HA4 6SS
Approval
Ref: 78004/APP/2023/1281
2nd May
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).
42 DIAMOND ROAD RUISLIP
Prior Approval N/Req
Ref: 77957/APP/2023/1198
24th Apr
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.53 metres, and for which the height of the eaves would be 2.46 metres
42 DIAMOND ROAD RUISLIP
Approval
Ref: 77957/APP/2023/1092
14th Apr
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights and conversion of roof from hip to gable end with new gable end window, extension to pitch roof of existing ground floor side lean-to and replacement of existing ground floor side lean-to front door with window and matching brickwork (Application for a Certificate of Lawful Development for a Proposed Development)
135 ROYAL CRESCENT RUISLIP
Approval
Ref: 9889/APP/2023/1086
13th Apr
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
111 BEDFORD ROAD RUISLIP
Approval
Ref: 65420/APP/2023/980
3rd Apr
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable (Application for a Certificate of Lawful Development for a Proposed Development).
12 DOWN BARNS ROAD RUISLIP HA4 0LY
Prior Approval N/Req
Ref: 77922/APP/2023/978
3rd Apr
Demolition of existing single storey rear extension and erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres.
158 THE FAIRWAY RUISLIP
Approval
Ref: 46856/APP/2023/931
29th Mar
Demolition of existing single storey rear extension and erection of single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
104 BIDEFORD ROAD RUISLIP
Approval
Ref: 26782/APP/2023/841
24th Mar
Erection of a single storey extension to the rear of dwelling.
42 JUBILEE DRIVE RUISLIP
Approval
Ref: 17137/APP/2023/887
24th Mar
Conversion of roof space to habitable use to include a rear dormer with juliette balcony and 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development).
255 LONG DRIVE RUISLIP HA4 0HT
Approval
Ref: 70666/APP/2023/810
17th Mar
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
34 CREST GARDENS RUISLIP HA4 9HD
Prior Approval N/Req
Ref: 77917/APP/2023/767
14th Mar
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.1 metres, and for which the height of the eaves would be 3 metres
34 CREST GARDENS RUISLIP HA4 9HD
Approval
Ref: 77917/APP/2023/764
14th Mar
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end with new gable end window, erection of front porch and removal of existing rear chimney (Application for a Certificate of Lawful Development for a Proposed Development)
10 SOUTHPARK WAY RUISLIP MIDDLESEX HA4 6UL
Approval
Ref: 65755/APP/2023/460
20th Feb
Conversion of roof space to habitable use to include a rear dormer with 1 front roof light and conversion of roof from hip to gable end with new gable end window. Erection of single storey extensions to rear and rear/side, erection of outbuilding to the rear and conversion of garage to habitable space with replacement of garage door with window. (Application for a Certificate of Lawful Development for a Proposed Development).
61 STAFFORD ROAD RUISLIP
Prior Approval N/Req
Ref: 48770/APP/2023/418
15th Feb
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.67 metres, and for which the height of the eaves would be 2.57 metres
20 CAVENDISH AVENUE RUISLIP
Approval
Ref: 45474/APP/2023/373
8th Feb
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
107 STAFFORD ROAD RUISLIP HA4 6P
Approval
Ref: 77792/APP/2023/173
19th Jan
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, conversion of roof from hip to gable end and removal of existing chimney (Application for a Certificate of Lawful Development for a Proposed Development)
21 MOUNT PLEASANT RUISLIP
Approval
Ref: 20914/APP/2022/3730
3rd Jan
Erection of single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
20 CAVENDISH AVENUE RUISLIP
Refusal
Ref: 45474/APP/2022/3693
6th Dec
Conversion of roof space to habitable use to include a rear dormer with 1 front roof light and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
16 DUDLEY DRIVE RUISLIP MIDDX HA4 6QN
Approval
Ref: 63662/APP/2022/3547
21st Nov
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
681 FIELD END ROAD RUISLIP
Approval
Ref: 43589/APP/2022/3503
16th Nov
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
681 FIELD END ROAD RUISLIP
Prior Approval N/Req
Ref: 43589/APP/2022/3501
16th Nov
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.00 metres, and for which the height of the eaves would be 3.00 metres
681 FIELD END ROAD RUISLIP
Approval
Ref: 43589/APP/2022/3502
16th Nov
Conversion of roof space to habitable use to include a rear dormer roof extension with 2 front roof lights and conversion of roof from hip to gable end. (Application for a Certificate of Lawful Development for a Proposed Development)
295 WEST END ROAD RUISLIP
Approval
Ref: 20931/APP/2022/3399
8th Nov
Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights, conversion of roof from hip to gable end and removal of existing chimney (Application for a Certificate of Lawful Development for a Proposed Development)
64 HARTLAND DRIVE RUISLIP
Refusal (Appealed)
Ref: 40278/APP/2022/2898
21st Oct
Erection of a brick conservatory to rear and demolition of existing garage at rear of garden.