Matching heated extension floors near Adderwell
In all, 21% of Frome's homes were built since 2000, and many of the newer estates are around Adderwell. When one of these homes gains an extension, the aim is usually a heated floor that meets the existing house with no step, so the screed depth is worked out from the existing finished floor. A step at the doorway is hard to correct once the screed is down.
The screed is the part that spreads the heat. A liquid pour wants 25mm or more over the pipes, so the floor works out at 45 to 50mm, and it surrounds them completely with no voids. Sand and cement needs around 45mm above them, so that floor is deeper. Pumped screed is covered on our Frome liquid screed page.
Frome's large stock of 1970s to 1990s terraces and semis is where most kitchen extensions take place. A heated floor in a new kitchen needs insulation laid under the pipes, so the heat goes up into the room rather than down into the ground.
By pour day, the pipes should be clipped and pressure tested, insulation fitted tight and edge strip run round every wall so the screed can expand when warm. We check each of these and can supply the membrane and edge strip. K & B does not install heating pipes; that stays with your heating engineer.
Heated floors in Frome's older houses
Retrofitting underfloor heating in an older Frome house is harder because depth is tight. In a 17th or 18th century house, fitting insulation, pipes and screed usually means taking the old floor out altogether, and where the house is listed, that needs consent first.
The thinnest workable build-up is usually a liquid screed at the lower end of its range. In a bathroom or anywhere that may get wet, sand and cement over the pipes is used instead.
Commissioning has to be gradual. Calcium sulphate can normally have the heat on at around 7 days, starting low and turning it up gently. Sand and cement has to wait 21 days or more. Rush the warm-up and the screed can crack, along with any tiles laid on it. Ask your heating engineer to agree the warm-up schedule with your flooring supplier before the finish is ordered.
The newest homes, built from 2015 on, are 8% of the stock. Where one already has a heated ground floor, the extension build-up is set to match its finished level. To see how insulation, pipes and screed stack up, read the screed depth guide.
Underfloor Heating Screed prices in Frome
Liquid screed over underfloor heating: £20 to £35 per m² supplied and laid (trade2base, June 2026), so £700 to £1,230 for 35 m². trade2base gives these figures excluding VAT. See our floor screeding cost guide or screed calculator.
Who lays your underfloor heating screed in Frome

K & B Screeding’s own team, led by director Donatas Bardisevicius. Founded 2019, company 12298780.
See what customers say in our Google reviews and on our testimonials page.
Underfloor Heating Screed from Slough to Frome
As the crow flies, our yard in Slough is about 75.4 miles from Frome, which lies to the west-south-west. Postcodes here include BA11, and Westbury (6.3 miles), Warminster (6.4 miles), Trowbridge (7.9 miles) and Bath (10.6 miles) are close by.
More on underfloor heating screed, part of our screeding services.