On Site – Notting Hill

Internally insulated, G2 listed, near Passivhaus refurb



Contract Value

Circa £1M

Project Description

We are working on a total refurbishment of this G2 listed mews house. Special features of this build include extensive use of Diathonite cork spray applied insulation. This product is both airtight and breathable making it the ideal solution to apply directly to existing brick walls of a period building with listed external features.

All sash windows are being replaced with new sash windows that  feature vaccuum glazing. These will be shaded with external roller blinds concealed within six window dormers. Each intermediate floor conceals a minisplit AC unit. Heating and cooling is delivered by air source heat pump that feeds two separate highly insulated water tanks, one for cold water and one for hot.

  • After 5 years of living here we are moving to the country and it breaks my heart to leave the beautiful house that you created for us.  I wanted to say thanks again for the beautiful work that you did on our building - it’s been amazing to live in and you guys did a first class job. Would always recommend you if someone asked for an excellent contractor.
    — Nick H
  • “Bow Tie Construction were very professional, they did things to a very high standard and paid a lot of attention to detail. When small issues were flagged here or there they were always keen to investigate and fix them.”
    — Francis M
  • “We’re expecting a dramatic reduction in costs. We now know how much energy we’ve used (in March) and we rarely have the heating on compared to this time last year in our old house.”
    — Toni M
  • Your guys did a very good job on the [window] installation, nice and precise and the assemblies fitted perfectly....Very good silicon application too, with a nice 5mm joint. So please do thank them on behalf of Cristina and myself. We are very pleased.
    — Stephen M
  • "We’re really lucky to have them Bow Tie Construction working on our project. Thanks for all your fantastic work so far."
    — Nick H

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