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Underfloor Heating Screed · London

Underfloor Heating Screed in Newham

Once your heating engineer has fitted the pipes and proved them under pressure, we screed over the top, using either a liquid or a sand and cement mix. Laying the pipework itself is not part of our service. Look at what sits beneath them: in Newham's newer towers, heated floors float over acoustic mats as well as insulation, so the screed has to protect sound separation as well as spread heat.

Heated floors in Stratford and Royal Docks flats

In Newham, 44% of homes are purpose-built flats, and in the newer towers of Stratford, Canning Town and the Royal Docks a heated floor is built in layers: the structural slab, an acoustic mat, insulation, heating pipes and finally a floating screed. Each layer affects the next. The screed must not touch the walls or reach the slab through a gap in the mat, because either one carries sound to the flat below, so edge strip and taped joints are checked before any pour.

A pumped screed wants 25mm or more sitting on top of the pipes, which works out at roughly 45 to 50mm overall. With a site mixed sand and cement floor the cover rises to around 45mm, adding depth and weight to the whole build. Where a design fixes the floor height, liquid screed is usually the answer, and because it flows fully round each pipe there are no air pockets to slow heat transfer. Our liquid screed page for Newham covers how it is pumped to upper floors.

Pipes should be filled with water and pressure tested before the screed arrives, and left under pressure during the pour so a leak shows straight away. The insulation and membrane under them need to be continuous. If they are not already in place we can supply them, as described on our insulation and membranes service. In a flat, the acoustic specification sets part of the build up, so have it to hand when you ask for a price.

Retrofitting heat in older Newham houses

Many heated floors in Newham go into the borough's older terraced houses rather than new flats, and the work there is quite different. The usual chance is a rear extension or a ground floor refit, and the limit is height: the finished floor has to meet the existing hall and doorways, so there is rarely room for a deep build up.

That is where cover depth matters. A liquid screed over the pipes can be thinner than sand and cement, which helps keep the new floor level with the old. Where the ground floor is being dug out anyway, digging a little deeper makes room for proper insulation, which stops the heat going into the ground.

When the system can first be switched on depends on what was poured. With calcium sulphate under the tiles, low heat can usually start around day 7, whereas sand and cement keeps the heating off for at least 21 days. The engineer then lifts the water temperature a little at a time across several days, in line with the pipe maker's commissioning schedule. Our screed drying guide explains how that warm up also helps the floor dry.

Underfloor Heating Screed prices in Newham

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 Newham

Underfloor heating pipe loops fixed over insulation in a long extension
Underfloor heating pipe loops fixed over insulation in a long extension.

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 Newham

Newham is about 29.3 miles east of our Slough base as the crow flies, with postcodes including E6, E16, E7 and E12. The nearest towns to it are Tower Hamlets (3.2 miles), Greenwich (3.7 miles), Barking and Dagenham (4 miles) and Redbridge (4.1 miles).

More on underfloor heating screed, part of our screeding services.

FAQs

Underfloor Heating Screed in Newham: your questions

Can screed go over underfloor heating in an upstairs Newham flat?

Yes. On an upper floor the pipes normally sit on insulation over an acoustic mat, with a floating screed on top. Liquid screed is the usual choice because it gives the pipe cover needed in less depth and pumps easily to height. The block's specification may set the build up, so we work to the drawings the developer or managing agent provides.

When can I turn the underfloor heating on after screeding?

That depends on the screed in your extension or flat. Poured in calcium sulphate, it can have low heat after about 7 days. Sand and cement holds out for 21 days at the least. Whichever you have, begin with the water barely warm and nudge it up a little each day. Turning the system straight up to full can crack the new floor and later lift the tiles.

Do you fit the underfloor heating pipes as well?

No. Supplying, fitting and pressure testing the pipework sits with your heating engineer, and we bring the screed that covers it. We will look over, or provide, what goes underneath: insulation, a membrane and edge strip round the walls. We also agree a pour day with the engineer so the loops are full of water and still under pressure while we work.

Free, no-obligation quote

A fixed price for your Newham floor