We are a Worcester Bosch
Accredited Installer

We install, repair and servicing Worcester Bosch boilers and air conditioning in Worthing and the surrounding areas in West Sussex.

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What is a Worcester Accredited Installer?

Worcester Bosch Accredited Installers are recognised domestic and commercial heating engineers who meet – and consistently exceed – Worcester Bosch’s high standards for installation quality, servicing, and customer care.

All accredited installers are listed on the official Worcester Bosch website, so you can easily verify our status and book with confidence.

Worcester Bosch ensures their accredited companies deliver a high standard of workmanship and professionalism. Installers are regularly monitored by recognised trade and industry bodies to maintain these standards.

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Why Choose a Worcester Bosch Accredited Installer?

Worcester Bosch wants homeowners to have complete peace of mind when upgrading their heating system. That’s why they only invite trusted, experienced, and quality-driven heating engineers to become accredited installers.

Worcester Accredited Installers must:

  • Hold valid Gas Safe and/or MCS certification
  • Complete Logic certified training courses on boilers, solar thermal systems, heat pumps, and underfloor heating
  • Maintain high standards of workmanship, safety, and customer care

Worcester Bosch regularly checks our Gas Safe and/or MCS accreditation. However, homeowners can also verify installer memberships directly on the awarding bodies’ official websites for extra reassurance.

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Extended Guarantees

Worcester Bosch boilers can come with up to 12 years guarantee, depending on the boiler and parts used.

Worcester also run guarantee promotions, so please check the Worcester website or ask your installer for new offers and product information.

Our Worcester Bosch Boiler Services

Boiler Servicing

Manufacturer-approved Worcester Bosch boiler servicing to keep your system running efficiently and protect your warranty.

Boiler Repairs

Fast, reliable repairs for Worcester Bosch boilers, including fault diagnosis and emergency call-outs by trained Worcester Bosch engineers.

Boiler Installation

Installation of Worcester Bosch combi, system, and conventional boilers with extended warranties of up to 12 years.

Looking for a Worcester Bosch installer?

We provide Worcester Bosch air conditioning and boiler installation, servicing, and repairs in Worthing, Shoreham-by-Sea, and the surrounding areas in West Sussex. 

Contact us today for a free quote

We are Gas Safe registered

NJ Lees Plumbing & Heating Ltd takes gas safety seriously. All of our engineers are on the Gas Safe Register and will have their official identity card when you ask to see it.

Gas Safe Register is the official gas safety organisation in Great Britain.

It replaced CORGI on 1st April 2009. Gas Safe Register is responsible for the registration and regulation of gas engineers. Membership is mandatory for any company or engineer working with gas appliances.

If you would like to find out more about Gas Safe Register you can call 0800 408 5500 or visit the Gas Safe Register website.