A B O U T  U S

Transform your home with an Architectural Structural Engineering Design and Build loft conversions, extension or basement conversions. We design, manage and build loft conversions, extensions, new builds and basement conversions that create beautiful spaces for homeowners in South West London and surrounding area. Our project managers are all qualified structural engineers, with significant experience working in the UK building industry.

We are well established in an industry based largely on reputation, and as such make a point of employing fully vetted and highly skilled tradesmen. We understand that having workmen in your home can be disruptive, so we aim to keep disruption to an absolute minimum and be completed to a strict timetable.

Contact us today to discuss your project – we’d be delighted to give you a quote with no obligation.

Areas we cover

Brent – Alperton, Barnhill, Brondesbury park, Dollis Hill, Dudden hill, Harlesden, Fryent, Kenton, Kensal green, Kilburn, Northwick park, Preston, Sudbury, Stonebridge, Tokyngton, Welsh Harp, Wembley, Willesden Green, Queensbury, Queen’s park.

Ealing – Northolt Mandeville, North Greenwood, Greenford Green, Northolt West End, Greenford Broadway, Perivale, Lady Margaret, Dormers Wells, Hobbayne, Cleveland, Hanger Hill, East Acton, Ealing Broadway, Southall Broadway, Southall Green, Norwood Green, Elthorne, Walpole, Northfield, Ealing Common, South Acton, Acton Central, Southfields.

Hammersmith and Fulham – Addison, College Park & Old Oak, Wormholt & White City, Shepherds Bush Green, Askew, Ravenscourt Park, Hammersmith Broadway, Avonmore & Brook Green, Fulham Reach, North End, Palace Riverside, Munster, Fulham, Parsons Green & Walham, Sands End.

Hounslow – Chiswick, Brentford, Osterley, Isleworth, Heston, Cranford, Feltham, Bedford, Hanworth.

Kensington and Chelsea – Galborne, St. Charles, Notting Barns, Colville, Norland, Pembridge, Holland, Campden, Abingdon, Queen’s Gate, Earl’s Court, Courtfield, Brompton, Redcliffe, Stanley, Hans Town, Cremorne, Royal Hospital.

Lambeth – Southbank, Lambeth, Kennington, Vauxhall, Stockwell, Clapham, Clapham Park, Tulse Hill, Streatham Hill, West Dulwich, Streatham, Norwood, Streatham Vale.

Richmond – Barnes, Mortlake, Kew, Richmond, Richmond hill, St. Margaret’s, East Twickenham, Twickenham, East Sheen, Ham, Petersham, Whitton, Heathfield, Strawberry Hill, Hampton Hill, Teddington, Hampton, Hampton Wick.

Southwark – Borough, Bermondsey, Walworth, Camberwell, Dulwich.

Wandsworth – Thamesfield, St. Mary’s Park, Queenstown, Latchmere, Shaftesbury, Roehampton, West Putney, East Putney, Fairfield, Northcote, West Hill, Southfields, Earlsfield, Wandsworth Common, Nightingale, Balham, Bedford, Graveney, Furzedown

Westminster – Queens Park, Harrow Road, Maida Vale, Westbourne, Lancaster Gate, Knightsbridge, Lord’s, Hyde Park, Wilton, Eaton, Ebury, Aldemey, Church Hill, Dolphin, Warwick, Regent’s Park.

If you can not find your area, please contact us – we still might be able to help you or recommend someone local who can.

Postcodes we cover:

W6, W13, W5, W3, W4, W12, W14, W11, W10, SW13, SW6, SW10, SW15, SW18, SW17, SW5, SW4, SW11, SW19, SW14, SW20, KT2, KT1, KT3, KT1, TW11, TW10, TW1, TW9, TW8, TW7, TW2, TW3, UB2, UB1.


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Transform your home with an 'ASE Design and Build' loft conversion, extension or refurbishment. We design, manage and build to create beautiful spaces for homeowners in South West London and the surrounding area.

Our project managers are all qualified structural engineers with significant experience working in the UK building industry read more >>

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Contact Us

Unit 205, 29 Castle Street, KT1 1DN

Mobile: 07983304952