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Dorset and Keys House - External Enveloping

Client: Enfield Council

Capital were commissioned to undertake the replacement of existing cladding with external and communal repairs to two high rise blocks in Enfield.

The project includes removal of existing rainscreen cladding, extensive external structural repairs, window replacement, curtain walling replacement, installation of non-combustible Rockwool External Wall Insulation (EWI), new extract fans and site works. 

The project will improve the overall thermal performance of the building and is being carried out alongside the installation of a Ground Source Heat Pump (GSHP) district heating scheme to the estate. The new wall insulation and windows, with the new heating system, will provide substantial annual energy savings for the residents of the blocks and will help to reduce carbon emissions. 

Capital’s commission included the surveying and specification of extensive structural repairs to the façade following the removal of the existing cladding to ensure the strength and suitability of the building to receive the new EWI system. 

Capital act as Contract Administrators for the project inclusive of administering the Contractor’s Design Portion of the works.  Capital is therefore working closely with the contractor, Building Control, manufacturers, fire engineers and other consultants to ensure a robust design and full compliance with fire safety regulations.

Facts & Figures

  • Contract Value: £2.5m
  • Dates: November 2017 to Current
  • Contracts: JCT Intermediate Building Contract 2011

With Capital experience of refurbishment works to high rise blocks this not only allowed for an appropriate design solution to address the thermal deficiencies but also allowed for an external wall insulation system that provided the highest classification of fire proofing to the external walls of the blocks

Maddie Pierson – Associate Surveyor

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