External Wall Insulation
External wall insulation is a transformative home improvement technique that involves adding a layer of insulation material to the external walls of a building, creating a robust thermal barrier. This innovative process effectively regulates indoor temperatures, ensuring your home stays warm in the winter and cool in the summer by significantly reducing heat loss and heat gain. The insulation layer is typically covered with a protective render or cladding, not only enhancing the building's weather resistance but also boosting its aesthetic appeal.
About Crystal® External Wall Insulation
Why Choose External Wall Insulation?
- Reduced Energy Bills:
One of the most compelling reasons to choose external wall insulation is the potential for significant savings on your energy bills. By preventing heat from escaping in the winter and keeping your home cooler in the summer, this insulation method reduces the need for excessive heating and cooling, leading to lower energy consumption and cost. - Enhanced Indoor Comfort:
External wall insulation ensures a stable and regulated indoor temperature throughout the year. By creating a consistent thermal barrier, it eliminates cold spots and draughts, providing a more comfortable living environment for you and your family. - Aesthetic Improvement:
Beyond its practical benefits, external wall insulation offers a fantastic opportunity to refresh the exterior look of your property. The protective render or cladding comes in various finishes and colors, allowing you to enhance your home's curb appeal while simultaneously boosting its energy efficiency. - Increased Property Value:
Investing in external wall insulation can also increase the value of your property. Potential buyers are often attracted to homes with improved energy efficiency, modern aesthetics, and reduced running costs, making your home more marketable and desirable. - Environmental Sustainability:** By reducing the energy required to heat and cool your home, external wall insulation contributes to a more sustainable living environment. Lower energy consumption means a smaller carbon footprint, helping you do your part in combating climate change.
Embrace the practical and aesthetic benefits of external wall insulation today and enjoy a more comfortable, energy-efficient, and visually appealing living space.
From enquiry to fitted
- 01
Talk to an expert
One of our experts discusses your requirements and talks through the options.
- 02
Your fixed quote
A clear price with no hidden extras, and 'Pay Your Way' finance if you want it.
- 03
Made to measure
Manufactured to your dimensions in your chosen colour and finish.
- 04
Fitted by our own teams
Installed, cleaned up and handed over with your 10 Year no quibble guarantee.
Spread the cost of your new External Wall Insulation
Spread the cost with our low-interest rate plan at a very competitive rate, or pay a deposit and settle on completion.
See all payment optionsCrystal offer a range of finance options subject to status and affordability. Crystal Windows & Doors Limited is a credit broker and not a lender. FRN 652921.
*Representative example: cash price £9,000, deposit £900, amount of credit £8,100, interest rate 10.9% (fixed p.a.), 10.9% APR representative, duration 171 months (inc. 3 months deferral), 168 monthly payments of £93.28, total amount payable £16,571.04, settlement fee £29.
More insulation from Crystal®
Government endorsed quality
TGAS
MyGlazing.com
HIES consumer code member
HICS
Glass and Glazing Federation member
FENSA registered installer
SafeContractor approved
Why not get your free quote today and find out just how much you could save!
Get a free quote onlineStay up to date
Get all the latest offers and product updates.
By providing your email address you agree to be contacted under the terms of our Privacy Policy.




