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"Building excellence through dedication, reliability and safety"



Oxfordshire Builder
Free quotations

Offering free quotations and helpful advice for Oxford extensions. If it is your first project that you have taken on, or your last. Give us a call, or drop us an email and we can give helpful advice and quote on any type of domestic project, so you know what it is going to cost before work has begun.

Oxfordshire builder
All types of domestic work undertaken

Taking on both small and large jobs. We specialise in: 


Renovations & Refurbishments 


Kitchens fitting




Garage conversions 

General building work

Oxfordshir builder

Keeping you mind at rest, Spires and Fields Builders hold Public Liability Insurance for  up to £1,000,000. This is to protect both our customers and ourselves, giving everyone peace of mind and letting us get on best with what we do, an Oxford extension builder.



Spires & Fields Builders is a trustworthy Oxford extension builder, set up by Lewis Smith. With over 10 years experience in extension and renovation works around the Oxfordshire area. We are enthusiastic about bringing people's home improvement ideas to life.  

We work closely with our customers and taking projects from the ground up (Literally!). Extensions and renovations work is our bread and butter, its what we do, but other works are undertaken and challenges are welcome.


Priding ourselves on our core values:

  • Customer satisfaction -  The end result of our efforts must be a satisfied Customer. Our reputation is the key to aspirations for Spires & Fields longevity in the construction industry and will remain the key to future successes.

  • Safety - Safety will always come first as we strive for accident-free projects. For safety of our customers and our workers

  • Attitude - A can-do attitude and willingness to go the extra mile for our customers are essential to our company’s success.

  • Quality - Our goal is simply to be the best and to continually improve. This is accomplished through focused teamwork, pride in our work – and by hiring and improving the best people we can possibly find.

  • Integrity (Honesty, Trust and Respect) - We are committed to the highest ethical standards. It’s what our Customers expect from us and what we expect from ourselves. This is earned through our performance and by our example.



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Head Office

For any enquiries or questions  please call: 07773 558945 or fill out the following form

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Mathews Way



Tel: 07773558945


Tradesmen/women wanted for an Oxford extension builder. To apply for a job with Spires & Fields Builders, please send your C.V. and contact details to:

Get a quote: 07773558945