Nothing Substandard Leaves the Essco Shop. That’s our Promise.

Engineered offsite heating, hot water and electrical prefabricated solutions to suit your requirements and budget.

Our engineers understand the pressures faced when working on site and have successfully project managed many builds to tight schedules. You can rely on us to help you do a good job for your customer.

Prefab Design


Our skilled engineers design packaged plant or prefabricated cupboards to your project specification.
Prefab Welding


Products are built from scratch in our dedicated warehouse space to a high standard.
Sign Image


Located in Cwmbran, South Wales, we have excellent access to the motorway network. Our project team will work with you to meet your installation schedule.
Prefab Plant Room

Features & Benefits

  • Offsite prefabrication saves time and reduces project costs
  • Expensive equipment stays off site making it less vulnerable to theft
  • Simplified logistics and project management
  • Technical support on-hand by phone, video call, email or face to face
  • Gas Safe Registered engineers with extensive experience
  • Cloud-based; project specific QA files available via QR code
  • Products are tested and approved for peace of mind
  • Aftersales service and support – ESSCO never walk away
  • 2-year warranty as standard



Prefab Cupboards with heat recovery

Prefab Utility Cupboards for Heat Networks

With communal heating in apartments on the rise, many developers are choosing to install prefabricated utility cupboards to reduce cost and risk. This also allows them to deliver projects ahead of schedule.

Our utility cupboards are supplied fully fitted, pre-tested and ready to install on-site.

Typically, they include –

  • Heat Interface Unit
  • Cooling Interface Unit (Optional)
  • Mechanical Ventilation and Heat Recovery unit
  • Water Meter Assembly
  • All associated piping and electricals

Essco cupboards are built bespoke to project design requirements.

Hot Water Skid CHWS

Packaged Plant Rooms and Skids

Reduce onsite labour costs and simplify installation with our bespoke packaged plant.

Equipment ranges from skid mounted buffer tanks or simple heat transfer packages to complete plant rooms with BMS control.

From initial design and specification to finished product on site, we can provide a solution no matter how big or small.

Plant Room JUL 2023

Prefabricated offsite solutions can mitigate issues such as –

  • labour and skills shortages
  • Theft on site
  • Soaring material and labour costs
  • Poor onsite workmanship
  • Difficult site conditions and access problems
Mobtag QR Code

Digital QA Process

We partner with Mobtag to digitise the QA process.

This cuts down on paperwork and gives our customers easy access to QA files and O&M manuals specific to each plant room or PUC from any internet connected device.

Especially useful during commissioning and handover.

Scan the QR code opposite to access a sample project QA pack.

Contact us by emailing or calling 01633 848080

Latest News & Case Studies

Prefab Utility Cupboards

Prefab Utility Cupboards with EAHPs

Company NewsPrefab News

We recently built these prefab utility cupboards for 55 residential apartments in Chiswick that will benefit from an energy efficient heat recovery system. Cupboards feature an unvented hot water cylinder (150/180L) with a Joule Modul-AIR ALL-E Exhaust Air Heat Pump (EAHP). The innovative EAHP technology uses waste heat from the extract ventilation through a heat…

Mobtag Digital Quality Assurance

Digital Quality Assurance with Mobtag

Company NewsPrefab News

We partner with Mobtag to provide a digital QA process for our prefab customers, which cuts down on paperwork and provides easy access to documents.

Water Image

Clarification of UK Water Regulations Needed

The certification of products used in water supply has been a source of confusion for a while now, with many manufacturers and specifiers believing that products must be WRAS approved.


New EDGE Heat Interface Unit Video

Discover what makes our HIUs perfect for modern, low temperature heat networks in this short video.