Chartered member of the Royal Institute of British Architects (RIBA).
UK registered with the Architects Registration Board (ARB).
All work covered by Professional Indemnity Insurance.


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'Sketchproposal' is the trading name for architectural services provided by Mr Jonathon Williams, B.A. (Hons) Dip. Arch (sole proprietor)


'A conscientious and responsive approach to design'.

Residential ♦ Commercial ♦ Retail ♦ Healthcare ♦ Educational ♦ Historic Buildings

Any type of project work considered and design work to date has included:

  • New build houses
  • Residential alterations / extensions / loft conversions / basements / annexes
  • Conversion and adaption of redundant buildings / barn conversions
  • Alterations and extensions to Listed buildings
  • Public house bed & breakfast accommodation
  • Commercial units
  • Commercial interiors - reception; sales areas; fit out.

'Sketchproposal' can offer a range of services to fit your building project and suit your budget requirements. We have a varied portfolio of project work and a good working relationship with the various departments of many local authorities; (planning, conservation, building control, environmental, archaeological, highways).

Feasibility Studies

Advice on property acquisitions and development, maintenance and repairs and the conservation and restoration of historic buildings.

Architectural design

Attention to detail, designing efficient spaces with careful attention to materials, environmental sensitivity and energy efficiency.

Planning submissions

Applications to the local authority, including conservation area consent and listed building consent.

Detailed technical drawings

High quality drawings ready for submission to the local authority and for construction purposes.

Contract administration

To ensure parties employ due diligence to comply with the terms, conditions, rights and obligations of the building contract.

Interior design

Advice on interior architecture, decoration and current trends to create beautiful solutions.

Qualified chartered architect, registered with the Royal Institute of British Architects with more than 25 years experience in the construction industry. Broad experience in residential, commercial, educational, retail, industrial and health care. Project work is delivered to a level 2 standard of Building Information Modelling (BIM) using architectural design software such as Autodesk CAD and Trimble Sketchup.

Detailed 3D visualisations for architectural walk through and fly animation; day light analysis and geographical context.

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Precise, detailed 2D drawings to clients and on-site teams.

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A creative and design-led approach to help you visualise the interior spaces.

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Phone +44 01234 712015
Mobile +44 07724 879060

Office Hours

Week days: 9am - 6pm
Saturday: 9.30am - 12pm


70 West Street
MK46 5HR

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