Policy updates, lender news and practical guides for UK homeowners.
Key Takeaways Installation and curing represent the highest-risk phase: isocyanates and VOCs are present at elevated levels. Isocyanate sensitisation is serious and can occur during professional or amateur…
Read moreKey Takeaways A traditional pitched roof requires a ventilation void — airflow from eaves to ridge — to manage moisture. Building Regulations Approved Document F and BS 5250:2021…
Read moreKey Takeaways Spray foam is combustible and will burn when exposed to direct flame. Certified products must meet fire performance standards relevant to their application context. The highest…
Read moreKey Takeaways Foam bonded to rafters conceals timber condition from surveyors — decay can progress unseen beneath it. Trapped moisture from poor ventilation is the primary mechanism driving…
Read moreKey Takeaways A healthy roof breathes: air circulates through a void between the insulation and the roof covering, carrying away moisture. Spray foam — particularly closed-cell — can…
Read moreKey Takeaways Many spray-foam problems are invisible at surface level — they develop in the hidden zone between foam and timber. Warning signs relate primarily to trapped moisture,…
Read moreKey Takeaways Budget for all components: removal + disposal + repairs + re-insulation + RICS certificate. A realistic total for a standard property: approximately £4,000–£10,000+. Never pay a…
Read moreKey Takeaways Removal costs typically £2,800–£8,000 for a standard 100m² loft (plus extras). Doing nothing risks mortgage decline, sale failure, reduced price, and potentially escalating timber damage. Roof…
Read moreKey Takeaways Spray foam does not have a standard “devaluation percentage” — the impact varies by market, property type and what documentation exists. The main mechanism of value…
Read moreKey Takeaways Headline removal prices frequently exclude: timber repairs, re-insulation, waste disposal, and the RICS certificate. Timber repairs, if needed: approximately £200–£1,000+ Re-insulation with breathable material: approximately £300–£1,500+…
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