Ground-floor extensions, loft conversions, full structural builds — SGS delivers on time and on budget, managing every trade from groundworks to final fit-out.
Single-storey rear and side extensions — designed and built to planning permission, on budget.
Full loft conversions with dormer windows, Velux skylights, staircases and full fit-out.
Steel beams, load-bearing walls removed, internal reconfigurations — done properly, safely.
SGS co-ordinates architects, groundworkers, bricklayers, roofers, electricians and plumbers.








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