What We Check

The roof structure, the condition of the timbers, moisture levels, ventilation, the roofing felt and any existing spray foam. You get photographs, moisture readings where they are needed, and clear recommendations for any work that is needed.

Only What Needs Doing

We don't automatically recommend expensive removal or replacement. We tell you what genuinely needs attention and what may not need any work at all. As roofers and spray foam removal specialists we understand the whole roof, which helps when you need to answer questions from a surveyor or a mortgage lender.

What Others Get Wrong

We see homeowners advised to spend thousands of pounds they didn't need to, because the contractor didn't know enough to look at other options. We've met people quoted £20,000 for a new roof when the spray foam could have been removed for much less.

A Recent Job

A homeowner in the Midlands had been told by several roofers that the closed-cell spray foam meant a whole new roof, at about £20,000. Our two-hour inspection found the foam could be removed carefully by hand, with no new roof and no abrasive ice blasting, which can damage roofing materials. Our team removed it for £8,000, saving the customer about £12,000, and the work was fully documented, signed off and certificated.

When to Book a Survey

You have roofing defects or leaks
You're worried about spray foam in the loft
You are having trouble with a mortgage because of the roof or the foam
A surveyor's report has flagged a problem with the roof

How Long It Takes

A specialist survey usually takes 1 to 2 hours on site.

What the Government Says

The government published guidance on spray foam, mortgages and removal on 22 October 2026. It says to get advice from a specialist surveyor before deciding, and that removal won't always mean a lender will lend. Read our summary of the guidance.

From the Reviews

"We recently had Dean from Next Generation Insulation carry out a survey on our property, followed by removal work by Andy and David, who were both fantastic and very professional throughout. Dean was extremely knowledgeable and honest from the start. He actually told us that, in our case, the spray foam had been fitted correctly — which he explained is very rare. It had been applied onto a proper backing card, there was excellent ventilation throughout, no condensation, and the rafters were in solid condition. Even though everything appeared fine, I still decided to go ahead with the removal for peace of mind, as the whole spray foam insulation process has worried me ever since learning more about it and having many sleepless nights ) Dean completely understood and supported our decision. The workmanship from Andy and David was faultless, and the team left everything clean and tidy. I would highly recommend Next Generation Insulation — they are one of the most honest and trustworthy companies we’ve ever come across."
Kurt, Google review

"Dean arrived promptly for the survey appointment and provided a very full description of the work needed and the method of execution of the undertaking. Kirsty and Luke provided great assistance in providing the detailed information of the technical aspects of the work and the follow up information. Brett and Grant arrived on time and immediately prepared the property for the work to be undertaken. They worked extremely hard over the 2 days and ensured that the work was completed to a high standard and that the property was left immaculately clean and tidy. All aspects of the job were undertaken to the high standards described in the initial proposal provided by the company. My wife and I are extremely grateful to Brett and Grant who undertook to remove the heavy items from the loft and to return them to the loft on completion of the job - a great gesture to assist elderly customers and certainly not part of the job description. My sincere thanks to all at Next Generation for their excellent customer service."
Jim, Google review