
Mosaic Building Design Ltd
Mosaic Building Design Ltd is an architectural practice in London. See its accreditations, specialisms and planning track record.
Active on Companies House
10853256
Architectural Activities
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Planning Application Track Record
28
Applications
95%
Approval Rate
7
Local Authorities
Local Authorities
Barnet
Basildon
Brent
Chiltern South Bucks
Ealing
Newham
Sutton
Application Types
Extensions
10
Prior Approval
5
New Dwellings
4
Other
2
Demolition
2
Tree Works
1
Planning Application History (28)
28 of 28 applications have a map location
263038HH
Single storey side/rear wraparound extension
74 Studley Grange Road Hanwell W7 2LX
Conditions
Ealing2026-08-0726/0971
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 4.5m Maximum height - 3.4m Eaves height - 2.72m
122 Palermo Road, London, NW10 5YN
Rejected
Brent2026-04-20PL/22/1249/SA
Certificate of Lawfulness for proposed loft conversion with 2 side dormers and 6 rooflights, infill front porch extension, demolition of existing outbuilding and erection of new outbuilding
Oakleigh 14 Laurel Road Chalfont St Peter Buckinghamshire SL9 9SJ
Permitted
Chiltern South Bucks2022-04-2117/4801
Erection of a single storey side extension and front porch to bunagalow
61 Woodhill Crescent, Harrow, HA3 0LU
Withdrawn
Brent2017-11-09240085PALHE
Single storey rear extension (max 6.00m deep and max 3.00m high)(following removal of existing rear extension) (42 Days Prior Approval Notification Process)
18 Horsenden Lane South Perivale UB6 8AB
Rejected
Ealing2024-01-10240086CPL
Alteration of roof from hip to gable end; rear roof extension; installation of three rooflight to front roofslope; and single storey rear outbuilding for use as a gym/play room and garage (following removal of existing outbuilding) (Lawful Development Certificate for a Proposed Development)
18 Horsenden Lane South Perivale UB6 8AB
Permitted
Ealing2024-01-10PL/22/3697/FA
Single storey side and rear extension
Oakleigh 14 Laurel Road Chalfont St Peter Buckinghamshire SL9 9SJ
Conditions
Chiltern South Bucks2022-10-2425/00748/LDCP
To establish the lawfulness of a proposed loft conversion with rear dormer and rooflights to the front roof slope.
17 Throwley Close Pitsea Basildon Essex SS13 2AW
Permitted
Basildon2025-05-28202958FUL
Conversion of single dwellinghouse into two self contained residential units; and single storey rear extension
6 Burns Avenue Southall Middlesex UB1 2LP
Conditions
Ealing2020-07-3026/1041
Certificate of lawfulness for proposed rear dormer window with 3x front rooflights to the dwellinghouse.
122 Palermo Road, London, NW10 5YN
Permitted
Brent2026-04-2024/02672/PREHH
Prior notification application for the construction of a single storey rear extension. The details submitted are as follows: The proposed extension will extend beyond the rear wall by 6.00m The maximum height of the proposed extension from the natural ground level is 3.30m The height at eaves level of the proposed extension measured from the natural ground level is 3.00m
190 Henniker Road Stratford London E15 1JS
Permitted
Newham2025-01-15233866HH
Demolition of infill rear extension; reduction of canopy roof size
51 Priory Gardens Ealing W5 1DY
Unresolved
Ealing2023-09-2526/0608/HSE
Part single, part two storey side and rear extension following demolition of the existing extension and garage. Single storey front porch extension. New crown roof with front, side and rear rooflights. Creation and alterations to the existing window openings and changes to fenestration. Erection of a front boundary wall with associated piers, railings and gates.
6 Uphill Drive London NW7 4RR
Permitted
Barnet2026-02-17PL/23/2966/FA
Erection of part single and part two storey side extensions, loft conversion with 4 rear dormers and front rooflights.
2 Stoneyfield Gerrards Cross Buckinghamshire SL9 7LU
Conditions
Chiltern South Bucks2023-09-1418/1319
Certificate of lawfulness for proposed single storey rear extension, roof alterations including hip to gable end, rear dormer windows, three front rooflights and one side window to the dwellinghouse
134 Regal Way, Harrow, HA3 0SQ
Permitted
Brent2018-04-0617/4721
A single storey side extension with conversion of garage into habitable room to dwellinghouse
126 Regal Way, Harrow, HA3 0SQ
Permitted
Brent2017-11-0618/0130
Prior approval for a single storey rear extension to dwellinghouse, in metres:Extending beyond the rear wall of the original house - 6mMaximum height - 3mEaves height - 2.85m
126 Regal Way, Harrow, HA3 0SQ
Permitted
Brent2018-01-1118/2699
Proposed single storey rear infill extension to dwellinghouse
126 Regal Way, Harrow, HA3 0SQ
Permitted
Brent2018-07-1018/0759
Certificate of lawfulness for proposed hip to gable loft conversion, rear dormer and single storey rear extension to dwellinghouse
126 Regal Way, Harrow, HA3 0SQ
Permitted
Brent2018-02-26200421CPL
Alteration of roof from hip to gable end; rear roof extension and installation of three roof lights to front roof slope (Lawful Development Certificate for a Proposed Development)
43 Milford Road Southall Middlesex UB1 3QH
Permitted
Ealing2020-02-03Page 1 of 2