Celotex insulation

The insulator of choice when it comes to high performance PIR insulation solutions.

Celotex remains the UK’s leader in quality PIR insulation, and is the insulation of choice for professionals around the globe. With a firm dedication to exceeding industry standards in energy efficiency, their products lead the way in environmentally friendly solutions for any type of building or application.


PIR, short for polyisocyanurate, provides the best insulating properties to meet building and carbon reduction standards. PIR delivers the best thermal performance with some of the thinnest solutions on the market today, allowing consumers to achieve optimum warmth and efficiency for less. Celotex was the first manufacturer of PIR to receive an A+ Green Guide rating, strengthening their position as a pioneer in PIR insulation solutions.


The Celotex range of products has been specifically designed to meet the stringent demands of building professionals, specialists and consumers. Their products scope floor to ceiling insulation and everything in between, all of which meet and exceed strict industry standards.

Thank You for your interest in insulation

Please fill in your postcode below and take our multi choice questionnaire to see if you qualify for any government grants, cash-back schemes or subsidised installations. Our team will then be in touch with you as soon as possible.

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NOTE:Please enter postcode of the property being applied for

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Where do you live *

Home type *

Please select the RED home that resemble your house the most

How many storeys in your home *


Gas connection *

Are you connected to mains gas

Age of your home *


What does your wall most look like? *

How many bedrooms in your home *


Cavity Insulation *

Do you have cavity wall insulation

Loft Insulation *

Do you have loft insulation

How old is your boiler *


What is your boiler's brand name, model and type

Is there a fault with the boiler? *

Please choose what type of fault (select one or more)

Heating Fault
Hot Water Fault
Leaking Boiler
Ignition (Starting) Fault

Finally let's check if the government can help with some subsidies, cashbacks or grants

ECO Criteria

Child tax credit and have income of less than £15860
Working Tax Credit and have income of less than £15860
Income-related Employment and Support Allowance (ESA)
Pension Credit
Income support
Income-based job seekers allowance
None of the Above

Receiving a work related activity or support component
You receive support for a disability
You receive support for a child with a disability
You have a child under 5 years old
You have a child under 16
You have a child under 20 and in full time education
You (or your partner) receive a “Pensioner Premium”
I only receive the Employment and Support Allowance (ESA)

Privately Own your home
Privately Rent your home
Live in Council/Social Housing


What paid options are you interested in?

Bio-mass Boiler
Gas Boiler
Solar PV (Solar Electricity)
Solar Thermal (Solar Water Heating)
Heat Pump
Double Glazing
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