Expert Builders in Finchley — Extensions, Loft Conversions & Renovations.
Trusted local builders delivering high-end residential building services across Finchley (N3 / N12) and surrounding North London & Hertfordshire postcodes.
High-end residential building services in Finchley.
The Construction Collective has delivered premium building projects across Finchley's N3 and N12 postcodes, working on everything from Victorian rear extensions to full-property refurbishments. Finchley's diverse housing stock — from Edwardian terraces in East Finchley to 1960s properties in North Finchley — requires builders who understand the local character and planning environment. That's exactly what we bring.
Whether you're planning a kitchen extension, loft conversion or complete renovation in Finchley, our fully managed service handles every stage — from planning permission through to final handover.
Victorian Rear Extension, Finchley N3
Single-storey rear extension with open-plan kitchen-diner, bi-fold doors and a glazed roof lantern.
Five clear steps. Zero surprises.
Free Site Visit & Consultation
We visit your property, discuss your ideas and provide practical advice on the best way to achieve your goals.
Design & Planning
We work with architects and consultants to prepare drawings, planning applications and technical information where required.
Quotation & Programme
A detailed quotation outlining the scope of works, project timeline and key milestones — so you know exactly what you're paying for.
Construction
Your dedicated project manager oversees every stage of the build, coordinating trades and maintaining quality standards.
Completion & Handover
Final inspections are completed and your project is handed over ready for you and your family to enjoy.
"They delivered our extension on time, on budget, and managed every single trade. We'll absolutely use them again for the loft conversion."
How much will your project cost?
Get an instant cost estimate for your extension, loft conversion, renovation or new build — tailored to your project in under 60 seconds.
Ready to start your Finchley project?
Book a free, no-obligation consultation. We'll visit your Finchley home, listen to your brief and tell you honestly what's possible.
Or message us directly on WhatsApp — we typically respond within the hour.