North London's Trusted Roofers

Built to Last.
Crafted with Pride.

Professional roofing installation, repairs, and maintenance across London. Quality materials, expert craftsmen, and a 10-year guarantee on every job.

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No obligation — response within 24 hours

Fully Insured
10-Year Guarantee
5-Star Rated

40

Years Experience

500+

Projects Completed

100%

Client Satisfaction

24/7

Emergency Service

What We Do

Every Roof,
Every Challenge.

Roofing work in progress
Expert craftsmanship on every project
01

Roof Installation

Complete new roof installations using premium materials. We handle pitched roofs, flat roofs, and specialist roofing systems with expert precision and lasting results.

02

Roof Repairs

Fast and reliable repairs for leaks, damaged tiles, faulty flashing, and storm damage. We diagnose the root cause and restore your roof to perfect condition.

03

Flat Roofing

Specialist flat roofing in EPDM, felt, and asphalt systems. Ideal for extensions, garages, and commercial properties requiring a durable waterproof solution.

04

Roof Maintenance

Proactive maintenance programs to extend the life of your roof. Regular inspections, cleaning, and minor repairs prevent costly major works down the line.

05

Guttering & Fascias

Full guttering, fascia, and soffit installation and repair. Protect your property from water ingress with quality systems installed correctly from the start.

06

Construction Services

Beyond roofing: extensions, renovations, and structural work. One trusted team to handle your entire project from foundations to ridge tiles.

About N21

A Business Built on Reputation.

N21 Roofwork & Construction is a company based in Winchmore Hill, North London. With over 40 years in the trade, we've built our name on honest work, fair pricing, and results that speak for themselves.

"Every roof we work on is treated as if it were our own home — that standard never changes."

We specialise in all aspects of roofing: minor repairs through to complete new installations. Our team uses only the highest quality materials and follows industry best practice on every single job.

Based at 13 Oxford Gardens, N21 2AN, we serve customers across London and surrounding areas. Whether it's an emergency or a long-planned project, we're the team you can call.

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N21 Company Van Roofing project
Why N21

The Standard We Set
For Ourselves.

We don't just fix roofs — we take responsibility for them. Here's the commitment you get with every N21 job.

01

Quality Guarantee

Every job comes with a comprehensive 10-year workmanship guarantee for complete peace of mind.

02

Expert Team

Fully qualified roofers with decades of combined experience. Continuous training keeps us at the forefront.

03

Fair Pricing

Competitive, transparent quotes with no hidden charges. You know exactly what you're paying and why.

04

24/7 Response

Emergencies don't keep office hours. We're available around the clock when your roof can't wait.

05

Fully Insured

Complete public liability insurance on all works. You, your property, and your neighbours are protected.

06

Customer First

Clear communication at every stage. We keep you informed, respect your property, and clean up after ourselves.

Our Work

Recent Projects.

Residential roof installation

Residential Roof Installation

Pitched · North London

Flat roof EPDM

EPDM Flat Roof

Flat · Enfield

Commercial roofing

Commercial Roofing

Commercial · Palmers Green

N21 on site

Storm Damage Repair

Repairs · Winchmore Hill

Reviews

What Our Customers Say.

"Excellent service from start to finish. Professional, punctual, and an outstanding job on our new roof. I'd recommend N21 without hesitation."

John Smith

Winchmore Hill, London
"Emergency leak — they responded within hours and fixed it at a fair price. True professionals who genuinely care about their customers."

Sarah Johnson

Enfield, London
"Our flat roof replacement is perfect. Clean work, great communication throughout, and the finish exceeded our expectations. Will use again."

Michael Brown

Palmers Green, London
Contact Us

Let's Discuss
Your Project.

Whether it's a small repair or a full installation, we're ready to help. Get in touch for expert advice and a competitive quote.

Address

13 Oxford Gardens
London, N21 2AN

Hours

Mon–Fri: 8am – 6pm
Sat: 9am – 4pm
Sun: Emergency Only

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