South London

Building Contractors in Lewisham, South East London

LewishamDeptfordNew CrossBrockleyHither GreenCatford

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Construction Services in Lewisham

Lewisham spans a swathe of South East London from the Thames at Deptford to the suburban fringes of Grove Park and Downham. The borough has experienced significant regeneration — particularly around Lewisham town centre, Deptford, and New Cross — while established residential areas like Blackheath borders, Lee, and Hither Green maintain steady demand for home improvement.

The borough's Victorian terraced housing — abundant across Brockley, Hither Green, Ladywell, and Catford — represents the core of construction demand. These properties lend themselves to side return extensions, rear extensions, and loft conversions that add significant living space. Lewisham offers strong value for construction investment, with property prices that reward improvement work with proportionally higher returns than many inner London boroughs.

Lewisham Housing Stock

Victorian terraces across Brockley, Hither Green, and Catford, Edwardian housing in Lee and Ladywell, post-war estates in Downham and Bellingham, Georgian buildings in Deptford, and contemporary developments in Lewisham town centre.

Planning in Lewisham

Lewisham Council manages several conservation areas, including Blackheath, Brockley, Lee Manor, and Sydenham Hill. Outside these areas, permitted development rules apply to most residential streets.

The council is supportive of well-designed residential improvements and has introduced specific policies encouraging high-quality contemporary design alongside period housing. Lewisham's planning team expects proposals to demonstrate how they contribute positively to the streetscape.

Recent Projects in Lewisham

Side Return & Rear Extension

£72,000

ExtensionBrockley SE4

Combined side return and rear extension to a Victorian terrace, creating a large open-plan kitchen-diner with Crittall-style glazing and polished concrete floor.

Loft Conversion

£48,000

Loft ConversionHither Green SE13

Rear dormer loft conversion on a Victorian terrace, adding a double bedroom and shower room with Velux skylights.

Full Renovation

£82,000

RenovationCatford SE6

Complete renovation of a 3-bedroom Victorian terrace: structural alterations, new kitchen, two bathrooms, rewire, replumb, and full redecoration.

FAQs — Construction in Lewisham

How much does a side return extension cost in Lewisham?

Side return infills in Lewisham's Victorian terraces typically cost £35,000–£55,000, transforming narrow kitchens into open-plan living spaces. Combined with a rear extension, costs range from £55,000–£90,000.

Is Brockley conservation area restrictive for extensions?

Brockley conservation area requires planning permission for most external works, but the council is supportive of well-designed proposals that respect the Victorian streetscape. We have completed multiple Brockley projects and know the design approach that works.

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