CARLM DESIGN LTD. - Architectural Designer
CARLM DESIGN LTD. is a verified architectural designer, established for 18 years, serving Yorkshire and The Humber, East Midlands.
About CARLM DESIGN LTD.
CARLM Design is an architectural design practice based in Sheffield, established in 2001, specialising in residential building design including extensions, loft conversions, garage and garden room conversions, and new builds. Led by head architectural technologist Mark Machin, who has over 40 years of construction industry experience, the company handles the complete design process from initial consultation through planning applications and building regulations submissions.
The company primarily serves private householders across Sheffield undertaking home improvement projects, with particular focus on kitchen extensions, residential extensions, and home conversions. They have completed over 1000 designs and maintain strong relationships with local builders, engineers, and trades, positioning themselves as trusted intermediaries between clients and the construction process. The practice emphasises a personalised service with free property visits and hands-on support throughout builds.
Track Record
18+ planning projects · 4 councils served · Established 18 years · Active in 2026
Service Areas
CARLM DESIGN LTD. serves Yorkshire and The Humber, East Midlands.
Councils
CARLM DESIGN LTD. has worked with Chesterfield Borough Council, North East Derbyshire District Council, Sheffield City Council, Bolsover District Council.
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