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Drawing and Structural

Calculation Services

Trusted Building Consultants in 
Greater London and Beyond.

Expert Build Plans in the UK

Welcome to Buildplans, your one-stop solution for comprehensive build plans in the UK. Whether you're planning a house extension, loft conversion, or a new construction project, our expert team can provide you with detailed house and floor plans to ensure your project runs smoothly from start to finish.


Here at BuildPlans we are a family run business who pride ourselves on delivering a personal, supportive and friendly service from start to finish. 

Comprehensive Build Plans for Your Next Project

Our services which are suitable for any construction project include house extensions, building extensions, loft extensions, dormer loft conversions, mansard loft conversions, side return extensions,  extensions plans, structural drawings, Structural calculations and more. 

Bespoke Solutions for All Types of Builds

No matter the scale of your project, BuildPlans is equipped to handle all aspects of the design and planning process. In addition to creating bespoke designs for new builds, we also specialise in providing plans and structural calculations for house extensions, loft conversions, and more. Our aim is to cater to every client's specific requirements, ensuring their satisfaction throughout the process.

Book Your Free Consultation Today

John and Suzanne are here to help. Contact us today for a free on site no-obligation consultation.


Client Care is a Priority

Innovative Home Designs for Every Client

BuildPlans believes in creating customised home designs that satisfy the unique preferences and needs of each client. Our team collaborates with you to develop a design that aligns with your vision, lifestyle, and budget. To achieve this, we use state-of-the-art software and technologies to provide visualisations of your house plans, allowing you to fully immerse yourself in the potential of your new home.


What are build plans?

Build plans are detailed drawings that outline the design, construction, and specifications of a building or structure.

How can build plans help with my construction project?

Build plans provide a clear and detailed guide for your construction project, helping to ensure it is completed on time, within budget, and to your exact specifications.

What services does Buildplans offer?

Buildplans offers a range of services including house extensions, building extensions, loft extensions, dormer loft conversions, mansard loft conversions, side return extensions, extensions plans, structural drawings, and structural calculations.

Get in Touch

Call today to book your consultation. Your first appointment is free with no obligation.


"I just wanted to say a huge thanks not only for the plans but for all your help with the planning permission submission.Knowing that I could call you or your wonderfully approachable Associate, Suzanne, if there was anything I was unsure about regarding the build, has taken a lot of stress off me. I also really appreciate how well you and my builder communicate. Such a weight off my shoulders."
Kathy, Wandsworth, London SW18
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