Heated extensions on Hailsham's semis and detached houses
Semis make up 36% of Hailsham's homes, and 31% of all homes were built between 1945 and 1972. Older semis and detached houses from those decades commonly gain heated extensions, open-plan kitchens and converted conservatories. Once the pipes are in and tested, the screed goes on top. Pipes are fitted by your heating engineer, since installing them is outside K & B's work.
Get the depth over the pipes right. With liquid screed, allow 25mm or more above them, normally 45 to 50mm overall. For sand and cement, the cover is about 45mm. Too thin risks cracking over the pipes, and too deep makes the room slow to respond.
Liquid screed is often chosen for heated floors because it flows fully around every pipe with no voids, giving faster warm-up and better heat spread. Our page on liquid screed covers the pour.
Conservatory conversions need extra thought. The existing base may have little or no insulation, and the finished floor has to meet the house at the same level, so the build-up may mean digging down. Before we pour, the insulation should be down, the membrane laid and edge strip fixed along each wall. We look them over when we arrive, and if anything is missing our insulation and membrane supply can fill the gap.
For liquid screed over heating, published 2026 figures run from £20 to £35 a square metre, with depth and floor area deciding the figure.
Commissioning a heated floor in a Hailsham home
The first heat-up is where heated screeds most often fail, and it is easy to get right with patience.
Calcium sulphate will normally take heat about 7 days after the pour. Sand and cement must sit for 21 days or more first. Whichever it is, the flow temperature begins low and is stepped up gradually over several days. You get that schedule on paper, which keeps your heating engineer and flooring fitter working to one plan.
Heating also helps the floor dry, but only once commissioning has started properly. Wood and LVT in particular should not go down until a moisture reading says the screed is ready. That reading comes from a hygrometer, not from counting days, and calcium sulphate is often held to a lower moisture limit by flooring makers.
Floors in the newest homes on the northern edge are young enough that any later work is more likely to be a repair or a levelling layer than a replacement. For more on depths, read our screed thickness guide, or see heated screed in Eastbourne.
Underfloor Heating Screed prices in Hailsham
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 Hailsham
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 Hailsham
Hailsham is about 60.5 miles south-east of our Slough base as the crow flies, with postcodes including BN27. The nearest towns to it are Polegate (3 miles), Eastbourne (6.8 miles), Seaford (9.5 miles) and Bexhill-on-Sea (9.5 miles).
More on underfloor heating screed, part of our screeding services.
