Scores based on 605 reviews

Reliability & timekeeping

Invoice history based on 554 reviews.

Invoice History
Charged as per quote / estimate97.65%
Above quote / estimate: kept informed2.35%
Appointments reported as missed (6 months) 1
Average score 9.91
605 reviews
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At Assured Heating Essex our core business is boiler installations. We specialise in gas and oil heating systems that are energy-efficient, reliable and value for money. 

We are fully qualified to install and maintain any boiler type using quality heating supplies and we currently perform approximately 150 boilers installations per year in the local area. 

We hold a DIAMOND standard accreditation with Worcester Bosch, for whom we are the recommended accredited installers for the Chelmsford area, as well as that we are Chelmsford Trading Standards Approved, Gas Safe registered and Oftec oil registered installers.

We are proud of our unrivaled reputation for meeting the heating system needs of our customers while staying true to our principles of delivering the highest standards of customer service, based upon the core tenets of trustworthiness, professionalism, reliability and value for money. Please take the time to look through our reviews.

We provide a range of services including:

  • Boiler installation. Gas - Oil - LPG
  • Warm air installations
  • Complete central heating installation
  • Boiler maintenance
  • Unvented hot water systems
  • Power flushing
  • Solar Thermal
  • Thermo-Dynamics

Based in

Chelmsford, Essex, CM1 3AG

Works in

Assured Heating Essex is based on Widford Industrial Estate in Chelmsford, we are able to cover any property within a 20 mile radius.

Team photos

Lee Nichols

Director / Engineer

The 2016 team

Samuel Martin


Phil Miller


Robert Nielson