07834 989360 Mon–Fri, 8am–5pm - AboutServicesAreasOur WorkReviewsContact07834 989360Request an Estimate Home/ - Our work Our work · London & Kent # Projects deliveredto a standard clientshappily recommend Extensions, loft conversions, refurbishments and outbuildings completed across Bexley, Kent and South East London: designed, built and supervised by our own team. Request an estimate07834 989360 Project albums ## The full journey, project by project Each album runs in order, from the build stage through to the finished rooms. Tap any photograph to open it full size. ### Sidcup Side Extension Sidcup, Kent A side extension taken from brickwork and roof timbers through to a finished, decorated interior, with the rest of the house refurbished alongside it. ### Greenwich Garden Outbuilding Greenwich, South East London An insulated garden room built from blockwork and timber framing up to a fully finished, year-round space with bifold doors and decking. ### Greenwich 1900 Renovation Greenwich, South East London A full renovation of a period property: new kitchen, bathrooms, staircase panelling, flooring and rear elevation works. ### Catford Rear Extension Catford, South East London A yellow brick rear extension with black-framed glazing, panelled hallway, chequerboard flooring, new kitchen and bathroom. Complete gallery ## Every project photograph Extensions, loft conversions, refurbishments, outbuildings, brickwork, carpentry, roofing and structural works. ## Want something like this at your place? Send us the outline of your project, or call 07834 989360 during working hours, Mon–Fri, 8am–5pm. Request an estimate07834 989360 Extension, loft conversion and refurbishment specialists based in Sidcup, working across London, Kent and the surrounding areas. 5.0 from 14 Google reviews Facebook - Instagram ## Services Home extensions - Loft conversions - New build homes - Refurbishments & renovations - Internal alterations - Outbuildings - Drawings & design - Structural works ## Areas we cover - Bexley - Kent - South East London - Welling - Sidcup - Bexleyheath - Dartford - Crayford - Blackfen ## Get in touch - 07834 989360 - info@ashcroftconstructiongroupltd.co.uk - Onega House, 112 Main Road, Sidcup, Kent, DA14 6NEMonday8am – 5pm Tuesday8am – 5pm Wednesday8am – 5pm Thursday8am – 5pm Friday8am – 5pm SaturdayClosed SundayClosed © 2026 Ashcroft Construction Group Ltd. All rights reserved. ReviewsCookie policyPrivacy policyTerms & conditionsPrincipals are members of the Chartered Association of Building Engineers (CABE). Call nowGet estimate We use essential cookies to run this site, plus cookies from our enquiry form, chat and review widgets. Cookie policy RejectAccept