Range from the cheapest £25 per hour and £194 per day (Guardian Developments (Wall Removal Specialist) based in M3) to the dearest £45 per hour and £300 per day (CDT BUILDING & ROOFING based in M6).
Comparing hourly and daily rates of Extension Builder's gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Click 'Get quotes' and describe your job and we will send it to your local extension builders for FREE.
See table for all Extension Builder rates in M15
Guardian Structural Ltd (Wall Removal Specialists) was created with one goal in mind.... To set the standards. We take pride in being highes...
bespoke designers for your new media centre. At last, we’re bringing our stunning conversion knowledge to entertainment installations acro...
Job details | Estimate |
Underpinning a house | £1532 |
Build a two storey extension | £5108 |
Build a timber frame extension | £5108 |
Install a swimming pool | £3065 |
Cost to build a single storey extension | £40866 |
Cost to build a side return extension | £46996 |
Install an RSJ | £894 |
Build an outbuilding | £2043 |
Build a mansard loft conversion | £10216 |
Cost of a loft conversion | £28606 |
Build a kitchen extension | £10216 |
Build a hip to gable loft conversion | £7662 |
Build a granny annexe | £5108 |
Build a garden office | £2043 |
Convert a garage | £1022 |
Build a flat roof extension | £1737 |
Build a dormer loft conversion | £2043 |
Lay a concrete foundation | £2043 |
Convert a bungalow loft | £3065 |
Basement conversion cost | £28606 |