We are Proficiency – A bespoke Design and Build Construction Company in London that specialises in exceptional loft conversions, extensions, renovations and basement conversion projects

As one of the leading construction companies in London, we deliver on our clients’ expectation, offering precise project management ensuring quality is always achieved and attention to cost and budget is maintained throughout.

Ringwood Avenue, Muswell Hill

Refurbishment and extension
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Petherton Road, Canonbury

Rear extension & internal Refurb
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Hilfield Road, West Hampstead

Wrap around extension
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Islington, Canonbury

Rear extension
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Cambridge Road, Twickenham

Renovation and house extension
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Norwich Road, Northwood

New build
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Denis Lane, London

Whole house refurbishment
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Liverpool Road, Islington

Single storey rear extension
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Finchley Road, Barnet

Whole Office renovation
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Islington, Cannonbury

Ground floor single storey extension
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Lothair Road, Harringay

Refurbishment and Joinery
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Ravenna Road, Putney

Sponsored theatre refurbishment
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