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Maximise the Potential of Your Property

We design extensions and new buildings for both residential and commercial use. Based in Chelmsford we serve Essex, London and surrounding areas. With our expert knowledge and years of experience we offer an efficient and friendly service.

We prepare plans, drawings and regulations details for:

  • Extensions and Orangeries
  • Loft Conversions
  • New House Plans
  • Commercial Properties 
  • Barn and Garage Conversions
  • Annexes and Outbuildings
  • New Flats, Flat Conversions and HMOs
  • Mobile Homes and Static Caravans
  • Changes of Use 
  • Commercial to Residential
  • Planning Permission Applications
  • Permitted Development Applications
  • Building Regulations Applications

Why Choose GPO Designs to Prepare Your Building Plans?

We can help you realise the potential of your property, create additional space and increase the value of your property.  We pride ourselves on being friendly and straight forward -why not call us now for a free consultation? We provide easy to understand guidance on all aspects of the planning process, and can also offer pre-application advice.  


We have submitted hundreds of planning applications and building regulations applications and secuired planning permission and building regulations approval for many different schemes and projects, and have experience working with many different local councils within Essex and the surrounding areas (including within London).


GPO Designs has a wealth of knowledge about architectural design and the planning and building control requirements of these councils, and specialises in producing drawings of a high standard for projects large and small, residential and commercial.  


GPO designs provides fixed price quotes with no hidden extras or spiralling costs.  For those who need their plans to be produced more quickly we do offer a fast track service for an additional fee.

How We Work

Free Telephone Consultation

Contact us now on 01245 835855 for friendly, free no obligation advice and a free quotation. 


Site Visit

The next step would then be a site meeting to discuss your requirements and to undertake a measurement survey of your property.


Measurements and Drawings

We'll produce detailed plans and drawings. We provide all of the drawings required plus 3D visualisations to really help you understand the design.


Unlimited Revisions

We offer unlimited revisions of your plans until the planning application is submitted. We want you to be entirely happy with the plans and fully understand that you may wish to make some alterations until you are entirely happy with the design.


Planning Permission Plans Submitted

Once the planning permission plans and planning application or lawful development application are submitted to the council we will keep you updated with progress.


Building Regulations Plans Application Prepared

We prepare building regulations plans once the application is submitted or after planning permission has been obtained. We also find a structural engineer for you (from one of the companies we regularly work with) and liaise with them for the required structural calculations.


Support to Construction

We can provide assistance in helping you select a local building contractor or builder and we will address any queries you or they have during the build process. On site support can also be offered.


Fixed Prices

We provide fixed prices on our services and pride ourselves in not having any hidden extra costs.  We provide a written quote which will also outline payment milestones, so that you are only paying for work that we have already undertaken. 

Find Out More about our Planning Services

Get in Touch


GPO Designs Ltd, 8 Willow Grove,

South Woodham Ferrers, Chelmsford, Essex, CM3 8RA

Email: plans@gpodesigns.co.uk

Phone: 01245 835855