House Extensions & Alterations

Stunning house extension designs

Make Matthew Trotter & Miller your first choice for beautiful house extension designs.
Contact our team in Stockton-on-Tees to find out more.

Creating extra space for your home


Do you need more room to accommodate your growing family? Extending your property is a great solution. At Matthew Trotter & Miller, we offer a complete design service for property extensions and alterations. Commissions are regularly undertaken to design one-off houses for private clients and extensions/alterations to existing private houses. Contact our passionate team for more information. 
We serve customers in Tees Valley and the surrounding areas.
House Extensions

We can design:


  • Single-storey and two-storey extensions
  • Garden room extensions
  • Barn conversions
  • New builds
House Alteration

Helping you choose the
right builder


Our team can also help you find the right builder to start your extension project or new build work. Get in touch with us today for more details. All our architectural services are personalised according to your specific requirements and budget. You can also rely on us for conservation advice.
To speak with one of our qualified architects, call
01642 673 449
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