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INCA Case Study: Holwood House, Mill Hill, London​


Holwood House, London

​Project Type: New Build

Building Type: Residential, Low Rise

Architect: C G Architect

System Designer: CPG Dryvit

Installer: Primars Coatings Services Ltd

System & Finish: Dryvit Stone Mist + 1mm stone mist troweled finish and brickslips

U-value Achieved: 0.26w(m2K)

Holwood House, Nan Clark Lane, Mill Hill. The client purchased the property from an award winning architect. It was originally built in the 1960s and featured in the home and gardens magazine in its original design. The house has some of the most stunning gardens and is why it was so sort after.

The client then set about gutting the house and converting it to a modern, flat roof high spec, brick and render home.

As you will see from the photos some of the construction work before we arrived on site was interesting. Primars Coatings Services Ltd were appointed and CPG Dryvit stone mist EWI system was specified utilising 100mm EPS to achieve U Value targets.

Julian Turner of Primars Coatings:
One of the biggest issues we had was the sub structure as out of level and of mixed materials  making it difficult to provide a suitable surface to install the new insulation.

Our client chose a very fine stone mist finish by Dryvit uk as the render finish along with the round windows making this along with the large expanses one of the most exacting jobs we have undertaken.

The system comprises of a dryvit eps insulation system across the complete building with stone mist render matched with a Matclad brickslip system with  BAE Majestic brick slip – the result an absolutely stunning, energy efficiant, transformation.

The modernist style of the property designed by London architect David Landau caused considerable excitement. Two years after it was completed, it was awarded the 1963 Ideal Home of the Year. 

It’s been an honour to work on the refurbishment of such a property.

Julian Turner

Primars Coatings

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