Founder & Heating Engineer
Gareth Mills
Started Northstar Renovations with one van; still surveys every heat pump install personally.
Talk to Gareth About Northstar Renovations
Built around our customers.
The people, principles and story behind Northstar Renovations.
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About Northstar Renovations
An independent company with big ambitions.
Northstar Renovations keeps homes and businesses across Belfast warm, safe and running. Qualified engineers, fixed written quotes and a 10-year guarantee on every installation.
Gas Safe registered · since 2006
Where we started
We opened in 2006 as a small team in Belfast. We’ve grown since, but the promise hasn’t changed: honest work from people who know you.
Where we’re going
Today our engineers cover boiler installation, boiler service, emergency plumbing and more, with the same care we started with.
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Jobs completed
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Workmanship guarantee
Mission & values
Our mission is simple: be the easiest yes for everyone in Belfast.
Independent and locally run. We answer to our customers, not to shareholders.
Gareth MillsFounder & Heating Engineer- 01
People first
We take the time to listen. Every conversation starts with you, not a ticket number.
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Real expertise
Our engineers are experienced, properly trained and genuinely good at what they do.
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Rooted in Belfast
Local partners, local suppliers and a lot of local customers. We're proud to be part of Belfast.
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Easy to reach
Call, message or drop in. Quick, clear answers without the runaround.
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Honest advice
If something isn't right for you, we'll say so, even when it means less business for us.
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Privacy, always
Your details stay private and secure. We never sell or share your data.
Trusted in Belfast
Numbers we're quietly proud of.
Real numbers from Northstar Renovations, updated every month.
Jobs completed0+And counting
Emergency response time0 hrsUp this year
Workmanship guarantee0 yrs+18% year on year
From 1,800+ reviews0★Every month
Meet the team
The people behind Northstar Renovations.
Experienced engineers who know Belfast, take the time to listen and get the details right.
Operations Manager
Nadia Hussain
Runs our booking team and makes sure every engineer turns up on time.
Talk to Nadia
Renovations Project Manager
Liam Carter
Fourteen years managing kitchen and bathroom projects, start to finish.
Talk to Liam
Lead Electrician
Sean O'Neill
Part P certified and our go-to for rewires, EV chargers and commercial testing.
Talk to Sean
Gas Safe Engineer
Kofi Mensah
Specialist in boiler installs and fault-finding on older systems.
Talk to KofiGet started
Ready when you are. Free quote today.
Tell us what you need and our engineers will take it from there. It's quick, there's no obligation and we reply the same day.