
Sixthart Ltd
Sixthart Ltd is an architectural practice in London. Browse RIBA and ARB accreditations, project specialisms and planning permission application history.
active
10890496
Architectural Activities
74100
★ 5.0 Google (2)
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About Sixthart Ltd
Company
Reviews
5.0
Read reviews 2 Google reviews
Planning Application Track Record
32
Applications
67%
Approval Rate
9
Local Authorities
Local Authorities
Bromley
Enfield
Gravesham
Greenwich
Hammersmith and Fulham
Hertsmere
Lewisham
Southwark
Watford
Application Types
Extensions
7
Demolition
5
New Dwellings
3
Other
1
Change of Use
1
Advertisements
1
Planning Application History (32)
26 of 32 applications mapped
26/0647/HD
Erection of rear roof extension (box dormer), installation of two rooflights to the front roof slope and one electrically operated rooflight to the flat roof of the box dormer, together with associated internal alterations.
119 GREENVALE ROAD, ELTHAM, LONDON, SE9 1PE
Undecided
Greenwich2026-03-02DC/26/142551
Conversion of the property from a small scale house in multiple occupation (Use Class C4) to a large scale house in multiple occupation (Sui Generis Use Class), together with the construction of a roof extension at the rear roof slope, insertion of rooflights to the front roof slope, and all associated works at 1 Sandrock Road, SE13.
1 SANDROCK ROAD, LONDON, SE13 7TS
Undecided
Lewisham2025-12-2526/0134/F
Change of use from an existing dwelling (Use Class C3) to a 10-bed, 10-person HMO (Use Class Sui Generis), in addition to the construction of a rear dormer and loft conversion, provision of rooflights, cycle and refuse storage and all other associated works
136 HERBERT ROAD, LONDON, SE18 3PU
Undecided
Greenwich2026-01-152024/02909/FUL
Erection of a rear extension at upper ground floor level, on top of the existing back addition; increasing the size of the existing roof terrace at first floor level to the rear elevation by addition of new railings on top of the proposed upper ground floor back addition.
15 Eustace Road London SW6 1JB
Permitted
Hammersmith and Fulham2024-11-13Page 1 of 4