Nicholas James Construction – BUILDERS – Wandsworth
Nicholas James Construction (NJC)
High-quality extensions, refurbishments & conversions across South-East London and the South-East
About us
Nicholas James Construction (NJC) is a detail-driven, design-led building contractor run by Brendan Daley. We specialise in home extensions, lofts, full-house refurbishments and high-finish interiors. Our promise is simple: clear pricing, tidy sites, reliable programmes and immaculate finishes.
What we do
Rear / side and wrap-around extensions
Loft conversions (dormer, hip-to-gable, mansard)
Full-home refurbishments and reconfigurations
Kitchens & bathrooms (supply & fit or fit-only)
Structural works (RSJs, wall removals, openings)
Joinery & finishes (bespoke wardrobes, media walls)
Electrical & plumbing/MEP (Part P, Gas Safe via approved partners)
Planning & Building Control coordination, RAMS & compliance
Snagging, O&M packs and warranties at handover
Why choose NJC
Design-led approach: We work happily with your architect/designer—or bring our own.
Transparent costs: Clear, itemised quotations and variation control.
Programme you can trust: Regular updates, weekly site meetings and clean, respectful trades.
Quality first: Proven specialist subcontractors, rigorous QA, photographed stages.
Fully insured: Public Liability & Contractors All-Risks. Certificates available on request.
References & portfolio: Before/after photos and recent homeowner references provided.
Areas covered
London & the south east
Our process
Free site visit & chat — understand your goals, budget and timeline.
Scope & quote — clear, itemised proposal with programme outline.
Pre-start — agree finishes, orders and neighbourly working hours.
Build — tidy, coordinated trades; weekly progress & cost updates.
Handover — snag list completed, warranties and O&M pack issued.
Accreditations & compliance
Works signed off to Building Regulations (structural calcs where required).
Gas Safe / Part P via approved partners.
CDM, RAMS, and site safety documentation provided.
Guarantees & aftercare
Defects period and manufacturer warranties included; swift response to any post-completion queries.
Payment & paperwork
Stage payments aligned to milestones; invoice and receipt for every stage. We’re happy to work with lender/insurance requirements.
Get a quote
Tell us a little about your project and preferred start date, and we’ll arrange a free site visit.
Contact: Brendan Daley — Nicholas James Construction (NJC)