Smart Renda Free wall check
Rendering & EWI · Greater London and surrounding areas

Rendering and external wall insulation across Greater London and beyond

Our work is centred on London, but it does not stop at the boundary. We cover the outer boroughs and the towns just beyond them in Hertfordshire and Essex, for houses, bungalows and new builds alike.

Bungalows and outer-London houses

Out towards the edge of London and beyond, the housing changes again: more detached homes, more bungalows, and more render that was applied directly to the wall decades ago and has now started to let go. Once render loses its bond it comes away in sheets, and whatever is behind it gets wet.

On this Hertfordshire bungalow the old render had failed along the base of the wall. We stripped it back, fixed insulation boards and finished the whole house in a new render system.

Old render failing and coming away from a bungalow wall in Hertfordshire, with insulation boards fixed below
The Hertfordshire bungalow mid-job: the failed render exposed, and insulation boards fixed along the base.
24+Years in the trade
400+Homes completed
15-yearManufacturer-backed warranty
FreeNo-pressure survey

The finished result

The same bungalow finished, with the curved bays and the base detail carried through, and the whole house under one consistent finish.

The same Hertfordshire bungalow finished in a pale yellow render over external wall insulation
The same bungalow finished: external wall insulation under a new render, round both bays.

New builds too

We also render on new builds, working alongside the main contractor. On this Brentwood development we rendered the feature piers and panels between the brickwork, where crisp edges and straight lines are the whole point.

New-build houses in Brentwood under scaffolding with rendered piers between brick sections
A new-build development in Brentwood, Essex: rendered piers and panels set into the brickwork.

How a job runs

A surveyor visits, looks at the whole elevation and checks the wall build-up, damp risks, access and the planning position for your address. You get an itemised written quote that separates preparation, the system or repair proposed, detailing around windows and sills, and scaffolding. On site the preparation is done first and properly, each coat is given its curing time, and the job ends with inspection, sign-off and warranty paperwork.

Greater London and surrounding areas questions

Do you work outside London?

Yes, in the areas just beyond it. We also work in Hertfordshire and Essex, including towns such as Potters Bar, Borehamwood, Cheshunt, Watford, Brentwood, Loughton and Epping. Send your postcode and we will confirm.

Can you insulate a bungalow?

Often, yes. Bungalows have a lot of exposed wall for their size, and many are solid-wall or have render that has started to fail. We check the wall, the base detail and the eaves at survey before recommending a system.

Do you work for developers and main contractors?

Yes. Alongside homeowners, we render on new-build developments and blocks, working to the contractor's programme, access and specification.

Where we work in Greater London and surrounding areas

All 32 London boroughs, plus nearby Hertfordshire (including Potters Bar, Borehamwood, Cheshunt and Watford) and Essex (including Brentwood, Loughton, Epping and Chigwell). If you are not sure whether we cover you, send your postcode and we will tell you.

Other areas: North London · East London · West London · South London

Send us three photos of your wall

One short form, or a WhatsApp message with a few photos and your postcode. A real surveyor takes it from there.

Request a free wall check Take the 2-minute assessment