Knowledge Hub
Clear, technically grounded articles about loft insulation. Written to inform, not to sell.
Understanding your loft is the first step to making a good decision. These articles are designed to help you feel confident about the options available and what they cost.
See our full price listThese articles are provided to help homeowners understand loft insulation before making decisions. They are written with technical accuracy and without sales pressure.
Understanding Insulation
What Is the Correct Loft Insulation Depth in the UK?
Current Building Regulations recommend 270mm of mineral wool insulation. This article explains why depth matters and what the standard actually means for your home.
Read articleWhy 300mm Is the Standard
A detailed look at why 300mm of mineral wool has become the benchmark for loft insulation in UK homes.
Read articleSigns Your Loft Is Losing Heat
Cold upstairs rooms, patchy snow melt and draughty hatches — practical signs your loft is losing heat and what to check.
Read articleWhy Is My Upstairs Cold Even With Loft Insulation?
Having insulation is not the same as having it working. The usual reasons upstairs rooms stay cold.
Read articleMineral Wool vs SuperFOIL: Which Is Right for Your Loft?
Where multifoil earns its higher price, and where mineral wool remains the sensible choice.
Read articleRemoval & Old Insulation
Should You Remove Old Loft Insulation?
Old insulation is not always ineffective. This article explains when removal is necessary and when a top-up may be sufficient.
Read articleIs Old Loft Insulation Dangerous?
Most old insulation is just ineffective. Some of it warrants caution. How to tell the difference.
Read articleSpray Foam & Mortgage
Does Spray Foam Affect Your Mortgage?
Some mortgage lenders and surveyors have raised concerns about spray foam insulation. This article explains the current landscape and what homeowners should consider.
Read articleSpray Foam Mortgage Problems: What Sellers Should Do
Practical steps if a sale is being held up by spray foam in the loft.
Read articleOpen-Cell vs Closed-Cell Spray Foam Removal
Telling the two foam types apart, and why one costs considerably more to remove.
Read articleVentilation & Moisture
Do Lap Vents Actually Work?
Lap vents are one of the most common ventilation solutions for lofts. This article examines how they function and when they are appropriate.
Read articleHow to Tell If Loft Insulation Is Damp
Spotting damp insulation, what causes it, and why ventilation must be fixed alongside it.
Read articleLoft Insulation and Condensation: What Causes It?
Why a colder loft can get wetter, and how ventilation keeps it dry.
Read articleBoarding & Storage
Choosing an Installer
How to Spot a Loft Insulation Scam
The tactics used by doorstep and cold-call operations, and the questions that quickly expose them.
Read articleWhat Should a Loft Insulation Quote Include?
A checklist for reading quotes properly — and spotting what has been left out.
Read articleQuestions to Ask a Loft Insulation Installer
Twelve questions that separate a competent installer from a sales operation.
Read articleWhy Cheap Loft Insulation Quotes Go Wrong
The shortcuts behind unusually low quotes, and what putting them right costs.
Read article