Planning drawings, building regulations, loft conversions, house extensions and mansards — delivered across Westminster by MCIAT chartered technologists with deep knowledge of Westminster City Council's policies.
A fixed-fee, end-to-end service — measured survey, scaled drawings, Design & Access Statement where required, Planning Portal submission, an...
A construction-ready drawing package compliant with every Approved Document — Part A structure, Part B fire, Part L thermal, Part M accessib...
Every loft type across every Westminster roof line — dormer, mansard, hip-to-gable, L-shape, Velux. LDC or full planning route, building regu...
The whole spectrum — rear extensions, side returns, wraparounds, double-storey, basement digs. Planning-led design with detailed technical p...
Westminster's most space-efficient loft solution when PD-route dormers are blocked. Our chartered team designs mansards that get approved in ...
Turn your unused Westminster garage into a bedroom, home office or open-plan kitchen-diner. Planning route assessment, full building regulati...
Full architectural technology service for basement digs and cellar conversions in Westminster — structural underpinning design, waterproofing...
Chartered structural engineer calculations for every residential intervention in Westminster — steel beams, lintels, pad foundations, wall re...
End-to-end Party Wall Act 1996 service for Westminster — Section 1, 3 and 6 notices, schedule of condition surveys, party wall award coordina...
London's most popular loft type — the full-width rear dormer. Planning or Permitted Development route assessed for your Westminster property,...
Housing stock: Grand Georgian and Regency terraces in Belgravia and Pimlico; Victorian and Edwardian mansion blocks; heritage-rich townhouses throughout; very high listed building density.
Character: Heritage-first planning approach; listed buildings on almost every street; basement and rear extension policies particularly strict.
Notable conservation areas: Mayfair, Belgravia, Marylebone, Pimlico, Soho, Covent Garden, St John's Wood
Article 4 Direction: Multiple Article 4 Directions — office-to-residential restrictions, HMO conversions, retail to residential in shopping zones.
Basement policy: Westminster basement policy restricts to single-storey, typically under 50% of rear garden footprint; lightwells and rooflights strictly controlled in conservation areas.
Free quote in 60 seconds. Fixed fees from £556. MCIAT chartered.
Get my free quote →