Guides & Tips
Insulation, demystified.
Practical, no-nonsense guides for UK homeowners. Written by a PAS2030-certified installer who's spent 20+ years actually fitting these systems — not just writing about them.
External Walls · 12 min read
External Wall Insulation: A Homeowner's Complete 2026 Guide
Everything you need to know about EWI — from how it works and what it costs, to the mistakes that wreck installations and how to avoid them.
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Internal Walls · 11 min read
Internal Wall Insulation: The Complete Guide for UK Homeowners
When IWI is the right call, the four most common systems, what to expect during the build, and why getting the moisture detail right is everything.
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Loft & Roof · 9 min read
Loft Insulation Done Right: 2026 Materials, Costs and Pitfalls
The cheapest, fastest insulation upgrade — but the one most often done badly. How to spec it, install it, and avoid the condensation traps.
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Floor · 10 min read
Floor Insulation: Suspended Timber, Solid Floors and Underfloor Draughts
How to insulate the most overlooked surface in your home, with the right material for suspended-timber and solid-concrete floors.
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Comparison · 10 min read
EWI vs IWI: External or Internal Wall Insulation — Which Is Right for You?
A side-by-side comparison of external and internal wall insulation — cost, performance, disruption, planning and which one suits your property.
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Costs · 11 min read
How Much Does Insulation Cost in 2026? Full UK Price Guide
Real 2026 prices for loft, floor, internal wall and external wall insulation — by measure, by property size and per m² — so you can budget before you call anyone.
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Reference · 9 min read
Insulation Glossary: Every Term Explained (A–Z)
Plain-English definitions of every insulation term you’ll meet — U-values, cold bridging, PAS 2030, vapour control, EWI, IWI and more.
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Property Types · 10 min read
How to Insulate a 1930s Semi-Detached House
The 1930s semi is Britain’s most common home — and has a predictable set of weak spots. Here’s exactly which insulation measures pay off, in what order, and what they cost.
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Property Types · 11 min read
How to Insulate a Victorian Terrace
Solid 9-inch walls, suspended floors and conservation-area rules make the Victorian terrace a special case. Here’s which measures work, what’s allowed, and how to keep the period fabric safe.
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Property Types · 10 min read
How to Insulate an Edwardian House
Edwardian homes share the Victorian solid wall but with bigger rooms, bay windows and generous lofts. Here’s the right insulation plan for this much-loved property type.
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Property Types · 10 min read
How to Insulate a 1960s or Post-War House
Post-war and 1960s homes brought cavity walls, flat-roof extensions and sometimes non-traditional construction. Here’s how to insulate them well and what to check first.
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Comparison · 8 min read
Cavity Wall vs Solid Wall: How to Tell Which You Have
The single most important thing to know before insulating your walls. Here’s how to tell a cavity wall from a solid wall — by age, brick pattern and thickness — and why it changes everything.
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Still not sure which option fits your home?
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