Extension prices
Dreaming of an extension for your home? Take a look at our pricing guide below.
Hover over your estimated extension size (meters)
Guide prices are based on a single story extension in normal conditions, with a standard plasterboard finish.
2x2
£15,200
2x3
£22,075
2x4
£28,400
2x5
£34,175
2x6
£39,400
3x4
£39,400
3x5
£46,205
3x6
£51,750
4x4
£48,200
4x5
£54,800
4x6
£59,200
5x6
£61,650
6x6
£69,100
7x2
£44,050
7x3
£56,105
7x4
£61,400
7x5
£67,150
7x6
£80,650
8x2
£48,200
8x3
£59,200
8x4
£72,400
8x5
£76,800
8x6
£92,200
9x2
£51,750
9x3
£60,550
9x4
£74,600
9x5
£86,420
9x6
£103,750
10x2
£54,800
10x3
£61,650
10x5
£96,050
10x6
£115,300
10x4
£76,800