Andrew Wallace Building uses new and up to date materials when installing extensions.

With new materials like “Sempatap” used in wall insulation and KingSpan used in areas like conservatoires floors.

large energy costs to yourself and the environment can be achieved.

In some cases 85 % have been made.

Other areas of expertise is glass fibre roofing's, no need to worry about the lost of lead on the roof.

Andrew Wallace Building is based in Coulsdon London.

The image on the right is a typical home in a the Wandsworth area, here the back room has been extended by over 30 ft.

Adding a sky light really brought out the character of the building together while improving the living standards.

An extension was added in the upper floor roof providing 2 extra rooms and large superb wet room.