Welcome to Ventus Design & Build!

FAQ's

Bespoke Design & Planning

Over 16 Years of Experience

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Loft conversion

Loft conversion costs in London are £40,000 to £70,000 on average excluding VAT and fees. The costs will vary depending on the size and complexities of the conversion. Good Design & Build loft conversion costs are as follows:

  • Room in the roof conversion (basic) – £1,150 – £1,350 per square metre
  • Dormer loft extension – £1,250 – £1,450 per square metre
  • Mansard extension – £1,500 – £2,500 per square metre
  • Hip-to-gable extension – £1,500 – £2,500 per square metre
  • Change of roof structure – £1,350 – £1,550 per square metre

Kitchen extension

A kitchen extension can be completed as quickly as 8 weeks but can also take approx. 12 weeks. It depends on the complexity of designs, how much internal structural remodelling is required, lead times on glazing, kitchen, etc.

General design and build

Being an architect led company, our approach is more ‘wholistic’ towards the project. We consider design, space planning, budget, programme and your lifestyle to create bespoke solutions that work for YOU.