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Top Rated & Award Winning Experts

Boiler, Heating & Plumbing Experts Based in Lewes

Serving Homes & Businesses Across Sussex
Your local and trusted engineers, delivering professional boiler installations, repairs, and heating solutions with reliability, precision, and exceptional customer care across Sussex.

Emergency Plumbing & Out-of-Hours Call-Outs Plumbing problems don’t always happen during office hours. That’s why Southern Energy Group offers emergency plumbing call-outs, with evening and weekend availability for urgent issues such as leaks, burst pipes, loss of water, or heating failures. Our local engineers aim to respond quickly, assess the situation properly, and carry out safe, effective repairs to minimise damage and disruption. Out-of-hours appointments are subject to availability.

Quality Assured & Certified

Your trusted plumbing and home energy solutions partner

based in Lewes, East Sussex.

With a strong reputation across Sussex, Kent, Surrey, and South London, we specialise in boiler installations, repairs, and all aspects of plumbing and heating. Our experienced engineers deliver high-quality workmanship for homeowners, landlords, and businesses alike — from bathroom installations to renewable energy systems.

Whether you’re facing a boiler breakdown, planning a new bathroom, or exploring greener heating options, you can rely on our team for safe, efficient, and expertly finished work every time.

Need help fast? Request a free quote or call us now on 07759 493013.

Call 07759493013
Our Services

Complete Plumbing & Heating Solutions

From everyday plumbing repairs to full heating system installations, we deliver reliable, high-quality workmanship throughout East Sussex. Our experienced engineers handle:

Plumbing Service

Bathroom Fitters

Gas Services

Renewable Heating & Air Source Heat Pumps

New Boiler Installations

Boiler Servicing

Boiler Repair

Kitchen Installation

Don’t let plumbing issues disrupt your day— get in touch today to arrange a visit from our qualified team.

Call 07759493013

Why Homeowners in Lewes and Beyond Trust Southern Energy Group

  • Local and Trusted
    Based in Lewes, we serve East Sussex and surrounding areas with pride and integrity.
  • Fully Qualified and Insured
    Our team includes Gas Safe-registered engineers and qualified installers, fully insured and trained to current UK standards.
  • Customer-Focused Service
    We listen, advise, and deliver solutions that match your home, budget and lifestyle.
  • Clear Pricing & Flexible Finance
    Transparent quotes with no hidden fees. We offer 0% finance on selected boiler models.
  • Proven Reputation
    Much of our work comes from referrals and repeat clients across Sussex, Kent and Surrey.

Want to experience our 5-star service for yourself? Let’s talk about how we can help.

Call 07759493013

What Our Clients Say

Join the growing number of satisfied customers across Sussex. Read more reviews or get started with your quote.

Areas We Cover 

We provide plumbing and heating services in:

Brighton

Peacehaven

Lewes & Cooksbridge

Seaford

Firle

Haywards Heath

Newhaven

Ringmer

Royal Tunbridge Wells

Frequently Asked Questions

Do you provide free quotes?

Yes. We provide clear, no-obligation quotes following an assessment of the work required.

What areas do you cover?

We cover Lewes and surrounding areas across Sussex and the South East.

Are you fully insured?

Yes. We are fully insured for all work carried out.

How do I book a service?

You can book by phone or by using the contact form on our website.

Do you guarantee your work?

Yes. All work is carried out to a high standard and backed by workmanship guarantees where applicable.