Range from the cheapest fitting of bespoke bookshelves £175 (TTM Improve Homes based in UB5) to the dearest fitting of bespoke bookshelves £545 (ThePlumbers.org based in TW7).
Comparing carpenter & joiners estimates for having bookshelves fitted 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 fit bookshelves in UB2 by posting a job with HaMuch and we will send it to carpenter & joiners in UB2.