Northumberland-Based  ·  North East England

Cavity Wall & Loft Insulation
Specialists in the
North East

Zest Home Insulation provides cavity wall insulation, cavity wall extraction and loft insulation for homeowners, landlords and organisations across North East England, Cumbria, North Yorkshire and the Scottish Borders.

PAS 2030 Accredited
TrustMark Registered
25 Year Guarantee
Homes Insulated 2,500+ across the North East
Same Day Installation Available
25 Year Guarantee

Insulation specialists based in Northumberland

Zest Home Insulation is a trading name of Zest Visuals Ltd, a Northumberland-based insulation contractor. We specialise in cavity wall insulation, cavity wall extraction and loft insulation across the North East and beyond.

We work on a private-pay basis and through government-funded ECO4 schemes where properties qualify. Whether you need new insulation, are concerned about existing insulation, or want a survey before buying a property — we can help.

PAS 2030 accredited installers
TrustMark registered
Based in Haydon Bridge, Northumberland
Private & government-funded work

About Zest Home Insulation

Zest Home Insulation is a trading name of Zest Visuals Ltd, a Northumberland-based insulation contractor specialising in cavity wall insulation, cavity wall extraction and loft insulation.

Our PAS 2030 accredited installers work throughout North East England, Cumbria, North Yorkshire and the Scottish Borders.

We provide insulation surveys, installations and extractions for homeowners, private landlords, housing associations and public sector organisations.

Our Services

Specialist insulation services from survey through to completion, for private and funded work across the North East.

How It Works

From first contact to completed installation, we keep things straightforward.

01

Request a Survey

Call us or complete the online form. We'll arrange a free visit to assess your property and confirm what's possible.

02

Property Assessment

Our surveyor visits to assess cavity condition, confirm suitability and discuss the best solution for your property.

03

Installation

Our certified installers complete the work at a time that suits you, with minimal disruption to your home.

2,500+
Homes Insulated
Same Day
Installation Available
25 Year
Guarantee Included
PAS 2030
Accredited Installers

Areas We Cover

We provide cavity wall insulation, extraction and loft insulation across North East England and beyond.

We cover NE, DH, SR, DL, TS, CA and TD postcode areas. Not sure if we cover your area? Get in touch.

Could Your Insulation Be Funded?

The ECO4 scheme (Energy Company Obligation) requires larger energy suppliers to fund insulation improvements in eligible homes. If you receive certain benefits or live in a low-income household, cavity wall or loft insulation may be fully funded.

We handle the application and installation. If you don't qualify for ECO4 funding, we also carry out fully private work at a fixed price.

100% funded for eligible households
Private work available for all properties
Fixed price quotes — no surprises
We assess eligibility at the survey stage
Check ECO4 Eligibility
You may qualify if you receive:
  • Universal Credit
  • Pension Credit
  • Child Tax Credit
  • Working Tax Credit
  • Income Support
  • Housing Benefit
  • Income-based JSA
  • Income-related ESA

What Our Customers Say

"The whole process was so easy. From the initial call to the installation, everything was handled professionally. My home is noticeably warmer and my bills have dropped."
SM
Sarah M. Newcastle, Loft Insulation
"I had cavity wall extraction after years of damp problems. The team identified the issue quickly and resolved it completely. Can't recommend them enough."
JT
James T. Durham, Cavity Wall Extraction
"Cavity wall insulation installed in our Northumberland home quickly and cleanly. The surveyor was honest about what was and wasn't suitable. Really professional outfit."
LP
Linda P. Northumberland, Cavity Wall Insulation

Ready for a Warmer Home?

Book a free survey. We'll assess your property and recommend the right solution — whether that's a new installation, extraction or a survey report.