We can do that

Maintaining gas appliances in London for over 10 years

We are N4 Gas Ltd

Domestic, Commercial & Specialist gas services in London

Our highly skilled, friendly team of specialist Gas Safe Registered engineers operate all over London and can undertake almost any gas, heating or hot water related task. Whether it be a leaking radiator or a burger van in need of some TLC, we have the skills to handle your headaches. Based in North London, we undertake work in homes, schools and business premesis throughout our great captial city.

Our workforce

Highly Skilled Engineering Team

We are a small team of 8 engineers and 2 office support staff. All of which are employed because of their qualifications and working ethic. We believe in good customer service with honest, impartial advice and that value for money is not just measured in Pounds Sterling. All of our engineers wear uniform, carry identification cards, are Gas Safe Registered and fully insured.

Our service

For All Things Gas

We have one of the most skilled group of gas engineers in London and have expertise within pretty much every aspect of gas, heating and hot water generation. If you have an appliance that burns gas or needs gas, then we can probably help you. Find out about us.

What we offer

24/7 Availability

We offer a 24hr, 365 day call-out service for emergencies.

Right first time

We aim to rectify all problems within the first visit.

Flexible appointments

We have a number of evening & weekend appointment slots.

Fair pricing

No call out fee, free quotes and competitive prices.

Services we offer


We are London's premiere all-round
gas maintenance and installation
company. Try us for yourself.

Explore our services