01245 835855

About the Company

GPO Designs specialises in planning applications, building drawings and plans for house extensions, loft conversions and conservatories.


  • Weekend & Evening Appointments
  • Fixed Prices
  • No Hidden Extras
  • Appointments 7 days/ week 8am-8pm
  • Free initial advice
  • Nationwide service
  • Based in Chelmsford, Essex

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Other Information

Building Plans produced for Loft Conversions
Interactive planning guide from the Planning Portal

Planning Application Case Studies


The links below contain examples of our plans produced for previous projects.  Whether you need plans for Planning Permission for a new extension, a loft conversion, a conservatory, garage or outbuilding, you can be assured of a friendly and professional service from GPO Designs.


See our Planning Application page or contact us for further information.


Our most recent examples can be found on our Facebook page and our Gallery




New Dwelling - Southminster (PDF Visuals download) (PDF Plans download)


This is an example of a new dwelling in a greenfield location for which we prepared the plans and obtained planning permission.


Rear Extension - Chelmsford (PDF download)


The client wanted to extend her property to include a very large rear family room. This application was produced based following our planning consultation and measurement survey (see our Premium Planning Application Service).


Addition of Home Office/ Study and Loft Conversion- Prestatyn (PDF download)


The client wanted an additional bedroom to accomodate his growing family and a more suitable area to use whilst working from home. This was achieved by adding a ground floor side extension to accomodate a home office/study and by converting an under utilised loft storage area into an additional bedroom and ensuite. The plans were produced based on a clients own measurement survey (see our Self Survey (DIY) Planning Application Service) and sent to the client for approval within three weeks of receiving the completed survey form.




Note: The above examples do not include the block and site maps which we produce for planning applications. These have been omitted due to licensing conditions of the base maps from which they are produced. Complete building regulation details are not shown

Copyright 2019 GPO Designs Ltd, Registered in England and Wales, Registration Number 7459622. Registered Office: 8 Willow Grove, South Woodham Ferrers, Chelmsford, Essex, CM3 8RA.
GPO Designs Ltd: Planning for your property