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Nationwide design service for house extensions in UK

No matter where you live in the UK, we can now help you design and build a Side Return Extension with our packaged Nationwide Design Service. We have developed this service in response to a growing number of homeowners who are seeking a Fixed Fee design package for house building and side extensions. Our construction company in London can also help with the tender process, selection of local contractor and on-site build management.

Our Nationwide Design Service includes:

  • Measured Survey for architectural design
  • Production and Submission of Architectural Design Options
  • Preparation and submission of Full Planning Application (or Certificate of Lawful Development where applicable)
  • Acting as Client Agent during the currency of Planning Application Full Structural Engineering and Beam Calculations for permitted development extensions
  • House Building Regulation drawings
  • Detailed Schedule of side return extension works and Tender Pack for line pricing
  • Shortlist of 3 local, vetted contractors to invite to tender for the house designs in UK

Fixed Fee of just £3,995 + VAT

Optional Services
(Fixed Fee Quotations Available on request)

  • 3D visualisation of proposed scheme
  • Party Wall Notice & Full Schedule of Condition
  • Bill of quantities by RICS approved surveyor
Nationwide Design Drawing

As we understand speed of the essence, we aim to undertake the measured survey within three working days of instruction and send you initial designs with one week of the survey.


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Thank you for your request.

We will contact you at your preferred time.