Insulation, loft & damp

Loft insulation, draught-proofing, condensation, mould, and damp diagnosis for UK homes.

9 guides

How to Stop Condensation in a North-Facing Bedroom

Calm a cold north-facing UK bedroom that streams on the glass and spots the corners. Steady heat, smarter ventilation, furniture gaps, then secondary glazing if the pane still runs icy.

3 September 2026Joe HartleyIntermediate

insulation-dampcondensationmould

How to Treat Mould on Walls Safely

Clean mould off UK plaster and paint without wrecking your lungs or the wall. Use PPE, a proper cleaner, dry the surface, then fix the moisture cause so bleach alone does not become a monthly ritual.

2 September 2026Joe HartleyBeginner

dampinsulationbeginner

How to Lay Loft Insulation Rolls

Unroll mineral wool loft rolls between joists cleanly: cut to fit, butt joints tight, keep eaves clear, and work from boards with PPE.

7 August 2026Joe HartleyBeginner

insulation-dampdraught-proofingbeginner

How to Fit Secondary Glazing Film

Warm a cold single-glazed window with shrink film. Clean the frame, tape a sealed air gap, then shrink the sheet flat with a hairdryer in under an hour.

2 August 2026Joe HartleyBeginner

dampdraught-proofingbeginner

How to Draught-Proof Windows and Doors

Seal common UK window and door draughts with brush strips, foam seals, and letterbox fixes without locking moisture into the house.

27 July 2026Joe HartleyBeginner

dampinsulationbeginner

How to Insulate a Loft Hatch

Add insulation to a loft hatch lid, seal the frame against draughts, and stop the hatch undoing a newly insulated loft.

27 June 2026Joe HartleyBeginner

dampinsulationintermediate

How to Lay Loft Insulation Between and Over Joists

Fit a first layer between joists, then a second layer crosswise over the tops to reach UK loft depth without cold bridges or blocked eaves.

26 June 2026Joe HartleyIntermediate

dampinsulationintermediate

How to Insulate a Loft

Plan and lay loft insulation in a UK roof space to roughly 270 mm depth, keep eaves vents clear, and work safely on boards with proper PPE.

13 June 2026Joe HartleyIntermediate

insulation-dampcondensationbeginner

How to Stop Condensation on Windows

Cut window condensation in a UK home by balancing ventilation, steady heat, and colder glass. Wipe less, fix the moisture load, then upgrade glazing only if you still need to.

10 June 2026Joe HartleyBeginner