About Us

We are a small family run business specialising in domestic extensions and alterations.

Our family history in the building industry spans three generations and includes Architects, Engineers, Electricians, Decorators, Bricklayers and Carpenters.

ASD Builders was formed in 1983 and now is a Limited Company run by brothers Andrew and David Downs.

We were Highly Commended in the Local Area Building Control South East Awards 2016 and we are finalists again in the 2017 South East Awards.

A. S. Downs
1976 Approved Bricklaying apprenticeship with J. Mowlem plc.
1976 Varied experience with J.Mowlem in residential developments progressing to specialist works department
working on listed buildings and Houses of Parliament.
1983 Formed ASD Builders as a sole proprietor.

D.P.Downs M.I.O.C.
1985/86 Civil Engineering Operative training with C.I.T.B.
1986 Experience in site management with J. Mowlem plc at HMP Swaleside.
1986/7 Apprenticeship in Carpentry and Joinery. City and Guild qualifications progressing to advanced studies.
1987 Joined ASD Builders.
1988 Confirmed Member Of the Institute of Carpenters.
1995 ASD builders registered as a Limited Company.
Work experience to date.

Contracts undertaken up to a value of £600,000 in London and the South East.

Types of work completed: Housebuilding, Domestic Extensions, Property Alterations Repair and Maintenance, Loft Conversions, Hard Landscaping, Structural Retaining Walls, All aspects of residential construction and repairs.






Find out more

If you would like to find out more about the services we have to offer, please do not hesitate to get in touch today. We look forward to answering any questions you may have.