Range from the cheapest building of under stairs storage £435 (Blana Floor Sanding based in TW1) to the dearest building of under stairs storage £2035 (ThePlumbers.org based in TW7).
Comparing carpenter & joiners estimates for designing under stairs storage 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 - Get rates and quotes to build under stairs storage in Tw by posting a job with HaMuch and we will send it to carpenter & joiners in Tw.