What is DVC Engineering?

DVC Engineering manages 1 data type including enquiries. Helps you organize, track, and share your work in 1 place for teams and solo users.

Do Lewisham properties need structural calculations for wall removals?

Yes. Most internal structural alterations in Lewisham require Building Regulations notification and, with it, structural calculations. This applies to load-bearing wall removal, steel beam insertion, and alterations to roof structures for loft conversions.

Can you design loft conversions in Lewisham's Victorian terraces?

Yes. We regularly work on loft conversions in Victorian terraces across Lewisham. These typically involve ridge beam design, new floor joists, staircase opening steelwork, and dormer framing where relevant.

Do I need a structural engineer for a Lewisham extension?

Yes, if the extension involves a new structural frame, alterations to the existing structure, or a Building Regulations submission — which most extensions do. We provide a complete structural package including foundation design.

My property is near trees in Forest Hill. Does this affect foundation design?

Yes. London clay is prevalent in parts of Lewisham, and tree root activity causes seasonal shrinkage and swelling. We assess clay heave risk and design foundations to the appropriate depth as part of our extension structural package.

How far from Lewisham will you travel?

We are based in EC2A, London — approximately 20–30 minutes from most Lewisham locations. Site visits across the borough are a routine part of our work.

Can you help with Lewisham Building Control submissions?

Yes. Our calculation and drawing packs are prepared as complete Building Control submissions. We also support technical queries from the Lewisham Building Control team where they arise.

Structural Engineer in Lewisham — Calculations, Surveys and Building Control Packages

DVC Engineering provides structural calculations, surveys, and Building Control-ready drawings for residential and commercial projects across the London Borough of Lewisham — including Catford, Lewisham town centre, Lee, Hither Green, Forest Hill, Sydenham, and Brockley.

Structural and Civil Engineering Services in Lewisham

Lewisham's housing stock is dominated by Victorian and Edwardian terraced properties — particularly in Hither Green, Lee, Catford, and Brockley. Many are mid-terrace with shared party walls, which adds structural complexity to loft conversions and wall removals. We are experienced in party wall structural design and in delivering packages that satisfy both Building Control and the structural requirements of party wall awards.

Rear extensions are common across the borough's terraced streets. Single and double-storey extensions require foundation design, structural frame calculations, and a complete Building Control submission. In areas such as Forest Hill and Sydenham — where mature trees are prevalent and London clay underlies the ground — foundation depth and clay heave risk are important design considerations that we address as part of our standard scope.

Lewisham has also seen significant residential development activity, including new-build schemes and the conversion of commercial buildings to residential use. We work with developers, architects, and homeowners on projects of all scales — from a straightforward beam design for a kitchen wall removal to the full structural package for a multi-storey extension.

Our structural calculations are prepared to Eurocode standards and issued as complete Building Control packages. We coordinate with your architect and contractor so that structural information on site is unambiguous, and we respond promptly to queries from Lewisham Building Control where required.

Typical Projects in Lewisham

Load-bearing wall removal and steel beam design for open-plan kitchens

Loft conversion structural engineering in Victorian terraces

Rear and side extension structural design packages

Foundation design on London clay with clay heave analysis

Pre-purchase structural surveys and crack inspections

Building Control submission packages and query support

Party wall structural design and coordination

Building Control-Ready Deliverables

Our structural and civil engineering packages are prepared to meet the expectations of Building Control bodies operating across Lewisham. This means calculations prepared to Eurocode standards, coordinated structural drawings, and clearly annotated details, so that queries are reduced rather than generated. We do not guarantee approval (that decision rests with the approving body), but we do ensure the submission is technically coherent and professionally presented.

Most Lewisham projects begin with structural calculations and drawings, whether for a loft conversion, a rear or side extension, or load-bearing wall removal. If you are diagnosing movement rather than designing new work, start with a structural survey or read our guide on what causes cracks in walls. Indicative fees are set out in our cost guide.

Civil engineering held in-house

DVC Engineering is a structural and civil engineering consultancy, so drainage, SuDS, retaining walls and external works are designed in-house and coordinated with the structural frame and foundations under a single appointment — reducing clashes, rework and Building Control queries.

Foul and surface water drainage design

SuDS strategies and soakaway design to BRE 365

Retaining wall design to Eurocode 7

External works, hardstanding and levels

Sewer build-over and close-to agreements

Frequently Asked Questions — Lewisham

Need a Structural or Civil Engineer in Lewisham?

Describe your project and we will respond with a clear, fixed-fee proposal. No obligation.