Range from the cheapest £30 per hour and £200 per day (RCB Group Design & Build based in SE21) to the dearest £50 per hour and £300 per day (Buci builders based in Se27).
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 SE21
Create Bespoke is a team of design and build experts, specialising in bespoke and luxury finishes. Your vision is at the heart of our proces...
Business Email:info@babarroofingservice.co.ukDescriptionEmergency Glazing & Boarding With local glaziers available 24 hours a day, 7 days a ...
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
...We are Parallax and specialise in Construction Project Management and Design and Build with year long experience in the London high end resi...
| Job details | Estimate |
| Underpinning a house | £1719 |
| Build a two storey extension | £5731 |
| Build a timber frame extension | £5731 |
| Install a swimming pool | £3439 |
| Cost to build a single storey extension | £45847 |
| Cost to build a side return extension | £52724 |
| Install an RSJ | £1003 |
| Build an outbuilding | £2292 |
| Build a mansard loft conversion | £11462 |
| Cost of a loft conversion | £32093 |
| Build a kitchen extension | £11462 |
| Build a hip to gable loft conversion | £8596 |
| Build a granny annexe | £5731 |
| Build a garden office | £2292 |
| Convert a garage | £1146 |
| Build a flat roof extension | £1948 |
| Build a dormer loft conversion | £2292 |
| Lay a concrete foundation | £2292 |
| Convert a bungalow loft | £3439 |
| Basement conversion cost | £32093 |