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Welcome to SEP Ltd

Trusted Home Energy Specialists

SEP Ltd are a local family business who have provided high quality home energy services across Lincolnshire for over 10 years now.

Specialising in providing boiler installations and repairs, solar panels, new windows and doors, and home improvements, we have a reputation for reliable and cost effective service. We have the knowledge and expertise needed to ensure that you receive nothing but the best service.

If you would like to speak to us about any aspect of your home or commercial heating, cooling or improvement works, please get in touch.

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How Can We Help You?

  • Home Energy
  • Windows & Doors

Air Conditioning

Air Conditioning

We install, service and repair air conditioning units (which both cool and heat) for domestic and commercial use.

Boiler Installation

Boiler Installation

As an accredited Worcester boiler installer, we have installed hundreds of home boilers across Lincolnshire, helping home owners to improve efficiency by up to 90%.

Boiler Servicing

Boiler Servicing

Annual boiler servicing is a wise precaution, we can ensure that your current system is operating to peak performance, ensure against Carbon Monoxide leaks and prolong its lifespan.

Central Heating Repairs

Central Heating Repairs

Unplanned break downs and repairs inevitably happen from time to time, but don't panic, our team can help you get back up and running in no time. We can support you with with any boiler, pipework of radiator problems.

Solar & Battery

Solar & Battery

SEP specialise in providing high-quality solar photovoltaic (PV) and battery systems for homes and small businesses. Solar panels can support you in significantly lowering energy costs, reducing your carbon footprint and actually adding value to your property, which makes them a great long term investment.

New Windows & Doors

New Windows & Doors

With over 12 years of experience, our team of experts provide the highest standard of sales and service for a range of windows, doors, conservatories and glazing.

Repairs & Maintenance

Repairs & Maintenance

From time to time accidents can happen and things need a little TLC. Whether you have seals that need replacing on a window, a broken window pane, or a rotten gutters and fascias, our SEP Windows team can help.

Conservatories

Conservatories

From the installation of new conservatories to the replacement of a leaking flat roof, our team can provide a full service of home improvement works.

Home Improvements

Home Improvements

Whether you need to repair damaged guttering, rotten fascias or a leaking roof flat roof, we can help you with a full service of home improvement works.

250+ 5 Star Google Reviews

Lincolnshire's Home Energy Specialists

Why Choose SEP Ltd

  • Over 250 Five Star Reviews

    As a local family business, our reputation is important to us, so we are incredibly proud to have over 250 five star ratings on Google.

  • Fully Accredited

    All of our team are gas safe registered engineers with years of experience in delivery high quality service.

  • Free No Obligation Quotes

    We have always prided ourselves on an honest, reliable and trustworthy service. We will answer the phone within three rings, agree a time to meet you and provide a quote in writing.

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