England’s largest district ground source system breaks new ground

Public Sector Wed, Jan 10, 2018 10:21 AM

The UK’s pioneer of domestic district ground source heat pump systems, Kensa Contracting, has secured the contract to deliver England’s largest shared ground loop heat pump system with ENGIE.

Four hundred flats over eight tower blocks in the London borough of Enfield will be retrofitted with Shoebox heat pumps manufactured by Kensa Contracting’s sister company Kensa Heat Pumps, and connected to the largest collection of district arrays of its kind.

Planned for completion in October 2018, the heating upgrade will result in residents’ energy bills reducing by 30-50%.

Dr. Matthew Trewhella, Kensa’s Contracting Director comments: “This project is an excellent example of how district heating can be rolled out using the shared ground loop system architecture.

“One of the great strengths of this system type is its flexibility and scalability. Shared ground loop systems can be featured in developments of just two properties (micro-district) whilst this project clearly demonstrates how the concept can be scaled up to much larger systems.

“Not only do ground source heat pumps provide the lowest cost heat, they also deliver substantial carbon savings, and landlords benefit from the exceptionally low servicing and maintenance costs.”

The district ground source heat network system at Enfield will feature 16 shared ground loop systems serving the eight tower blocks. Each district system will typically consist of clusters of eight boreholes serving individual heat pumps installed within the flats of half a tower block.

This system architecture allows each resident to select their own preferred energy supplier to access the best available electricity tariff. The shared nature of the ground array design also reduces drilling costs - typically the most cost-prohibitive aspect of a ground source heat pump installation – and ensures funding through the Energy Company Obligations (ECO) Scheme as well as the Government’s Non-Domestic Renewable Heat Incentive (RHI), securing Enfield Council quarterly payments for 20 years.

With typically two thirds of the heating sourced from the ground, the borehole installations will provide an infrastructure which will deliver an affordable heat and hot water solution for the Enfield tower blocks for generations.

Drilling of the boreholes has already commenced with one site’s groundworks completed in time for the new year.

Featured News

Specification news
Brand new 2018 Taralay Initial Collection

Vinyl flooring has evolved more than any other type of flooring over the last decade....

Read More >>

Specification news
JB Corrie accreditation means four approved to install...

A fourth company has been accredited to install ArmaWeave, an approved high-security...

Read More >>

BUILDING PRODUCT LIBRARY - LATEST BROCHURES

Sinks, Worktops, Cabinets, Shelving & Sanitaryware Brochure

Sinks, Worktops, Cab...
By GEC Anderson Ltd

Download Now >>

The Guide To Ceramic Chimney Systems and Liners Brochure

The Guide To Ceramic...
By Schiedel Chimney Sys...

Download Now >>

PUMICE System Chimneys & Liners Brochure

PUMICE System Chimne...
By Schiedel Chimney Sys...

Download Now >>

Prima Smooth Installation Instructions Brochure

Prima Smooth Install...
By Schiedel Chimney Sys...

Download Now >>

BUILDING PRODUCT DIRECTORY - LATEST PRODUCTS

Powershock
Powershock

Powershock 60 This 6mm thick tile rubber flooring is the perfect flooring for your gym or fitness...

Read More >>

Recreation 45 & 60
Recreation 45 & 60

Recreation 45Specially designed for multipurpose use and light recreation activities, Rec 45 is a...

Read More >>

HQR
HQR

Gerflor's HQR flooring is a textile backed flooring with an easy to clean PU surface coating. This...

Read More >>

CONSTRUCTION VIDEOS - LATEST VIDEOS

Derbigum Flat Roof Membranes Recycling
Derbigum Flat Roof Membranes Recycling

All Derbigum bituminous membranes within the Alumasc Roofing range are 100% recyclable using the...

Watch Now >>

Alumasc Vaeplan Single Ply Roofing Accessories
Alumasc Vaeplan Single Ply Roofing Accessories

Alumasc Roofing Systems can provide single ply roofing membrane installation accessories such as...

Watch Now >>

Alumasc Vaeplan Elongation and Seer Strength Test
Alumasc Vaeplan Elongation and Seer Strength Test

Single Ply Roofing Membrane from Alumasc Roofing Systems strength test

Watch Now >>