About NMSM Construction
Built on trust. Delivered with quality. London-based builders specialising in new builds, refurbishments, and maintenance.
Who We Are
NMSM Construction is a London-based contractor delivering new builds, refurbishments, loft conversions, extensions, basements, and property maintenance. We combine skilled craftsmanship with transparent project management, weekly reporting, and clear pricing. Our culture is simple: do it once, do it right, and communicate well.
Mission
Deliver high-quality builds on time and on budget.
Vision
Be London’s most trusted, easy-to-work-with construction partner.
Values
Quality • Transparency • Safety • Accountability
Why Clients Choose NMSM
Quality Craftsmanship
Detail-driven trades and finishes.
On-Time Delivery
Clear schedules and weekly progress reports.
Trust & Transparency
No hidden extras. Everything documented.
Safety First
UK H&S standards, inductions, and sign-offs.
Governance & Reporting
- Weekly site reports with photos & progress notes
- Change-control log and signed variations
- Single point of contact from start to handover
- Method Statements & Risk Assessments on file
Service Areas
- Weybridge
- Rickmansworth
- Hertsmere
- Kingston
- Surbiton
- Wimbledon
- Croydon
- Greater London
- Marylebone
- Mayfair
- Belgravia
- Knightsbridge
Our Track Record
- 2023–2024 — Extensions and full-home refurbishments across Kingston & Surbiton
- 2024–2025 — Loft conversions, HMOs, maintenance programmes, and new build starts
- 2025 — 50+ projects delivered with consistent 5★ client feedback
Ready to start your project?
Tell us about your plans — we’ll provide clear options, timelines, and a transparent quote.