Fee calculator

Get an immediate estimate for your home extension plans, including our design package fees and third party fees for planning, building control and structural calculations.

The below calculator is for home extension projects only. If you’re planning a loft conversion, internal alterations or anything else, please contact our team for a quote.

 

Design

Is your property...







Is your property any of the following?

5+ bedrooms

A listed building

In a conservation area


Now select your extension











Planning

Do you need...

(Don't worry if you're not sure at this stage)







If neither, would you like a Lawful Development Certificate?

(We would usually recommend this for any permitted development projects)





Technical stage

Building control deposit

(Most home extensions will require building control)





Do you need a structural engineer?

(Don't worry if you're not sure at this stage)









(If you'd like an estimate for a project with more than three beams, please contact our team)

Your estimate

Design stage£
Initial designs ready within five working days

Planning fee£

Building control £

Structural engineer £


TOTAL£

Remember, this estimate includes everything you need to get a builder on board – not just our drawing fees. If something doesn't look quite right, or you're not sure exactly what fees you're going to need, please give our team a call on 0115 874 8570.

Please note this is an approximate cost and our design fees may decrease or increase depending on the size of the property and scope of the project. Planning fees and building control deposit are third party fees and can vary depending on application type.

Happy with this estimate? Book your free, no obligation design consultation now.