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Case study · Cramond, Edinburgh · 2026

Loft insulation top-up in Cramond, Edinburgh

The most common loft in Scotland: a trussed roof with a thin, flattened layer that was put in when the house was built and never touched since. Half a day's work and the house is a different place in winter.

Loft topped up with Knauf Earthwool between and over the trusses, Edinburgh

What we found

A modern trussed loft in Cramond, on the north-west edge of Edinburgh, with the original grey mineral wool lying between the ceiling ties: thin, compacted, gaps at the edges, and well short of what the loft needed. This is what "the loft's already insulated" usually means. It was, once, to the standard of the day, and it's been settling ever since.

What we did

  1. Measure and check

    Depth measured across the loft, eaves ventilation checked, cables and downlights located so nothing gets covered that shouldn't be.

  2. Top up between the ties

    The gaps between the ceiling ties filled properly first, right into the eaves, leaving the ventilation path clear.

  3. Cross-layer over the top

    Knauf Earthwool laid at right angles across the ties so the timbers stop acting as cold bridges. That second layer is what makes the difference.

  4. Measure again

    Folding rule in the finished layer, photographed for the customer. We don't quote a number in advance; we measure the loft and bring it to what that loft needs.

Before: thin, flattened grey insulation between the ceiling ties of a trussed loft, Edinburgh

Before. Original insulation, flattened and patchy.

Folding rule standing in the finished loft insulation to show the depth achieved, Edinburgh

After. Depth checked with a rule, not guessed.

Why a top-up is the best value job in the house

Around a quarter of a home's heat goes out through the roof. A top-up like this costs a fraction of a boiler or new windows, takes half a day, and the customer notices it the first cold night. It's also the measure most often funded by Scottish grant schemes, so for many households the cost is covered.

We're based in Loanhead, twenty minutes from Cramond round the bypass. Edinburgh lofts are usually surveyed within days and done in a morning.

Loft insulation in Edinburgh Grants in Edinburgh

Trussed loft with new insulation seen from the hatch, Edinburgh

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