Cavity Wall Insulation in Birmingham
At Home Energy Save GB, we expertly assess and install cavity wall insulation in line with current British Standards, delivering long-lasting energy efficiency improvements that help reduce heat loss, lower energy bills and create a warmer, more comfortable home all year round.
WHY CHOOSE US?
When it comes to cavity wall insulation, trust Home Energy Save GB to provide effective solutions backed by decades of industry experience.
- Experienced & Qualified Local Surveyors
- 40+ Years Experience
- KIWA Accredited
- 5 Star Google Reviews
- 25 Year Guarantee On All Services
Book your FREE Comprehensive Insulation Survey now or call us on 0800 065 4044 to take the first step towards a drier and healthier home.
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Customer Reviews
EXCELLENT Based on 1875 reviews Posted on Google Beth HollidayTrustindex verifies that the original source of the review is Google. Very happy with the service, the guys were very helpful. Did a good job and all sorted in one day. Very happy.Posted on Google Claire ElliottTrustindex verifies that the original source of the review is Google. Josh & Tom arrived on time, explained everything in detail as they walked me around the property. They carried out a great Job & cleaned & tidied afterwards. Both friendly & polite lads. Would definitely recommend.Posted on Google Mike davisTrustindex verifies that the original source of the review is Google. The whole process of dealing with this company, has been seemless everything was handled professionally, John who came to do the actual work did a very professional job, everything left neat and tidy, and all the process explained as the job progressed. Very pleased and satisfied with the end result.Posted on Google Kate NixonTrustindex verifies that the original source of the review is Google. Had Joel and Dylan from Home Energy Save GB. Very friendly professional and efficient. Completed a very dirty job in very warm conditions very well. Would definitely recommend.Posted on Google Susannah AylinTrustindex verifies that the original source of the review is Google. Ellick came out today and did a full house insulation survey. Very efficient, friendly and thorough. Honest free advice provided, would highly recommend them to you.Posted on Google Susan DarlingTrustindex verifies that the original source of the review is Google. Excellent workers Sean and Evan done a really good job house looks as if they haven't been . Am very pleased. .Posted on Google Rosie SummersTrustindex verifies that the original source of the review is Google. The inspection went great, was very informative and gave us some things to keep in mind for the future. Thank you Dan for everything.Posted on Google Linda ForsterTrustindex verifies that the original source of the review is Google. Excellent work by Adam, Ryan and Jake. Very professional and couteous, a great combination to see from these hard working lads.
The Best Cavity Wall Insulation Can Cut Your Heat Loss by up to 35%
At Home Energy Save GB, we know how important it is for homeowners in Birmingham to keep their properties warm, comfortable and energy efficient throughout the year. Cavity wall insulation is a highly effective way to reduce heat loss, especially in many of Birmingham’s traditional brick built homes and suburban properties.
Before any installation begins, we carry out a detailed borescope survey to confirm that your cavity walls are suitable and in the right condition for insulation.

Cavity Wall Insulation Experts in Birmingham
At Home Energy Save GB, we provide cavity wall insulation services throughout Birmingham, backed by guarantees of up to 25 years for long term energy efficiency and complete reassurance. With more than four decades of industry experience, we have built a strong reputation for reliable, high quality workmanship across Birmingham and the wider West Midlands.
Our fully accredited installers work to rigorous safety and quality standards on every property, ensuring each home is properly assessed and insulated for maximum performance. When you choose Home Energy Save GB, you are working with knowledgeable professionals who respect your home, prioritise correct installation, and apply proven expertise from initial survey through to completion.
Free Borescope Survey in Birmingham
Concerned about heat loss or increasing energy bills in your Birmingham home? We offer a free borescope survey for homeowners across the city and surrounding areas.
Our experienced team will carry out a thorough assessment of your property, completing all essential checks, including a detailed inspection of the wall cavity. You will receive clear, straightforward advice on whether cavity wall insulation is suitable for your home and the best way to improve its energy efficiency.

The Importance of a Borescope Survey
With our FREE Borescope Survey in Birmingham, we complete a comprehensive assessment to ensure your home is suitable for cavity wall insulation and that it will perform effectively in local property types throughout the city.
During the survey, we will:
- Assess the suitability of your Birmingham property for cavity wall insulation, taking into account its age, construction type and exposure to local weather conditions.
- Examine the internal condition of your walls and cavities using specialist borescope equipment to access hard-to-reach areas safely and accurately.
- Identify any concerns within the cavity, such as rubble, debris, moisture or other obstructions that could impact the effectiveness of the insulation.
Benefits of Efficient Cavity Wall Insulation

Lower energy bills.

Reduced heat loss.

Improved thermal comfort.

Increased property value.

Smaller carbon footprint.

Cavity Wall Insulation Extraction in Birmingham
Failed or waterlogged cavity wall insulation can retain moisture and contribute to damp issues within your Birmingham home. Our cavity wall insulation extraction service removes defective or saturated materials safely and efficiently, helping to restore the correct performance of your external walls and reduce the risk of further damage.
Problems can develop where insulation has been poorly installed or where rainwater has entered the cavity over time. Using specialist extraction equipment, our experienced team carefully clears the cavity to ensure it is clean and ready for any necessary remedial work.
Cavity Wall Insulation Extraction
Outdated or incorrectly installed cavity wall insulation can lead to damp, mould growth and a noticeable drop in energy efficiency. When insulation materials deteriorate or become saturated, they can hold moisture within the cavity, raising the risk of structural damage and affecting the air quality inside your Birmingham home.
Solution: Our cavity wall insulation extraction service in Birmingham removes failed or waterlogged insulation safely and thoroughly, fully clearing the cavity to restore its proper function.

Interested in Cavity Wall Insulation for Your Home in Birmingham?
Contact our team at Home Energy Save GB today to find out how we can help.
How do I know if my Birmingham home is suitable for cavity wall insulation?
Most properties in Birmingham built after the 1920s have cavity walls, but suitability depends on several factors. At Home Energy Save GB, we carry out a free borescope survey to inspect the cavity internally before making any recommendations. We assess the wall construction, brick condition, exposure to local weather, and check for debris or moisture inside the cavity. Not every property is suitable, and we will always provide honest advice. Our priority is to ensure insulation will improve performance without increasing the risk of damp or long term issues.
Will cavity wall insulation really reduce my energy bills?
Yes, when installed correctly in a suitable property, cavity wall insulation can significantly reduce heat loss. In many Birmingham homes, external walls are a major source of wasted energy. By filling the cavity with approved insulation materials, we help retain warmth inside your home for longer. This reduces reliance on heating systems and can lower energy bills over time. At Home Energy Save GB, we focus on correct installation and thorough assessment to ensure the insulation performs efficiently and delivers measurable long term savings.
How long does cavity wall insulation installation take?
For a standard semi detached or detached home in Birmingham, installation is usually completed within one day. The exact time depends on property size and access. At Home Energy Save GB, we ensure the process is efficient and minimally disruptive. Small holes are drilled in the external mortar joints, insulation is injected, and the holes are carefully filled to match the existing brickwork. We carry out quality checks before leaving site. Our experienced installers work to strict standards to ensure a clean finish and effective thermal performance.
Can cavity wall insulation cause damp problems?
Improperly installed insulation or unsuitable properties can experience damp issues. That is why proper assessment is essential. At Home Energy Save GB, we carry out a detailed borescope inspection before any work begins. We check for rubble, moisture, structural defects and exposure risks. If your property is not suitable, we will advise against installation. When installed in the right conditions and to correct standards, cavity wall insulation should improve energy efficiency without increasing damp risk.
Can insulation improve my EPC rating?
Yes, cavity wall insulation can positively impact your Energy Performance Certificate rating. By reducing heat loss, your property becomes more energy efficient. At Home Energy Save GB, many Birmingham homeowners see improvements in EPC scores following installation. This can enhance property value and make homes more attractive to buyers.