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  • 6 Shillinglee
    PO7 5RW Waterlooville
  • 023 9225 8315

GBS Designs

Chartered architectural services by GBS Designs. Established in 1999 and provides specialist domestic architectural design services such as extensions (including conservatories) and conversions (loft, garage & outbuildings). 

Are you planning an extension or perhaps some other alteration to your home? 

If the answer is yes, then the chances are you already have a very good idea of what you want. What you now need is an architectural practice that delivers what you want and can afford. 

By specializing in only the domestic side of architecture – home extensions, conservatories, out-buildings and the like we understand that our role is to give you the design that a builder will be able to understand and build within your budget.


Services Provided:

Full Architectural Services 

Conceptual Design 

Detailed Design 

Planning Applications 

Building Regulations 

CDM Pre-Construction Plan


Areas Served:

Waterlooville, Purbrook,Havant, Widley, Bedhampton, Hayling Island, Rowlands Castle, Leigh Park, West Leigh, Emsworth, Cowplain, Catherington, Lovedean, Horndean, Southbourne, Westbourne, Cosham, Drayton, Portsmouth, Denmead and Southwick.


GBS Designs in summary


  • Change of Use / Refurbishment
  • Commercial
  • Extensions
  • Residential