Our Construction Services
From new builds to maintenance — high-quality construction, transparent management, and on-time delivery across London.
Our Core Services
Explore the full range of construction solutions we provide across London:
New Builds
High-quality homes and commercial properties, built to your exact specifications.
Learn more →Refurbishments
Transform and modernise your property with expert renovations and upgrades.
Learn more →Loft Conversions
Maximise space and add value with functional, stylish loft conversions.
Learn more →House Extensions
Create additional living space that blends seamlessly with your property style.
Learn more →Basements
Convert underused basements into gyms, offices, or family rooms with precision.
Learn more →Property Maintenance
Reliable property care and emergency call-outs for complete peace of mind.
Learn more →How We Work
Consultation & Quote
We meet you, discuss your vision, and provide a transparent quote.
Planning & Permissions
We handle the paperwork, planning permissions, and scheduling.
Construction & Updates
Skilled teams deliver the work, with weekly photo progress reports.
Handover & Aftercare
We sign off the project, provide certifications, and offer aftercare.
Recent Construction Projects
A snapshot of our construction projects across Greater London.
Frequently Asked Questions
Do you provide free quotes?
Yes. All of our quotes are free, transparent, and come with no obligation. We’ll usually get back to you within 24 hours of your enquiry.
Which areas do you cover?
We work across Kingston, Surbiton, Wimbledon, Croydon, and throughout Greater London. Larger projects can be taken further afield on request.
Are you fully insured and compliant?
Yes. NMSM Construction carries full public liability insurance and all projects are delivered in line with UK Building Regulations, CDM requirements, and health & safety standards.
Do you handle planning permission and building regs?
Absolutely. We take care of the paperwork, planning submissions, and coordinate with Building Control to make sure your project is fully compliant.
How long will my project take?
It depends on scope. A typical loft conversion takes 6–8 weeks, an extension 8–12 weeks, and a full refurbishment 12+ weeks. We’ll give you a clear timeline before we start.
Do you offer aftercare or maintenance?
Yes. Every project comes with a handover pack and warranty information. We also provide ongoing maintenance services and emergency call-outs if needed.
Ready to start your project?
Tell us about your plans and we’ll provide a free, transparent quote.