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Expert Single Storey Extension Builders and Design

Looking for single storey extension builders who can transform your home with style, quality and care? Maxas offers premium single storey extension design and build services, combining expert craftsmanship with personalised design solutions to expand and elevate your living space.

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Why Choose Maxas for Your Single Storey Extension

At Maxas, we specialise in creating beautiful, functional single storey extensions that are tailored to your lifestyle and property. Our team of experienced tradespeople deliver outstanding results from start to finish, ensuring every single storey rear extension is completed on time, on budget and to the highest standards.

Comprehensive Single Storey Extension Services

As a trusted extension builder, Maxas provides a full range of services to extend your home at ground level in ways that enhance both space and value. Our work includes:

Every single storey extension is designed with practical use, compliance, and long-term durability in mind. We work closely with you to understand your goals and guide you through planning, design choices, and construction progress.

One Extension Builder. Multiple Specialist Teams.

Choosing the right single storey extension builders means choosing a company that can manage every part of your project properly, without relying on disconnected subcontractors. With Maxas, your extension is delivered by a trusted team of specialists, working together under one group.

  • Maxas Design and Build – Complete design-and-build extension solutions, from concept to completion.
  • Maxas Developments – Professional building and construction expertise for larger-scale projects and high-quality structural work.
  • Maxas Plumbing and Heating – Reliable plumbing, heating and system installations to support kitchens, bathrooms and full extension builds.
  • Maxas Electrical – Certified electrical services for lighting, power, rewires, and smart home upgrades within your extension.
  • Maxas Renewables – Sustainable options, including renewable energy solutions to improve efficiency and reduce running costs.

This joined-up approach ensures your single storey extension runs smoothly, meets regulations, and achieves a consistently high finish, making Maxas a trusted choice for anyone searching for single storey extension design.

Single Storey Extension Design, Done Right

We tailor each project to the unique character of your home, ensuring your new single storey extension blends seamlessly with your existing architectural style and makes the most of your available space and natural light.

Double Storey Extension High Wycombe Exterior

Start Your Single Storey Extension Today

Ready to transform your home with a bespoke single storey extension? Contact Maxas, specialists in single storey extension design and build for quality, reliability, and exceptional service.

Frequently Asked Questions

Many single storey extensions fall within Permitted Development rights, particularly rear extensions within standard size limits. This depends on your property and its planning history, so we check this for you early on and handle the application if one is needed.
Most single storey extensions take around 8 to 14 weeks on site, depending on size, groundworks and finish specification. We agree a clear build programme with you before work starts so timescales are set out upfront.
Yes. We regularly design and build single storey extensions on period and older properties, taking care with foundations, damp-proofing and matching brickwork so the extension ties in properly with the original structure.
We work year-round, so there's no fixed "best" time. Starting the design and planning process early simply means your extension is ready to build when it suits you, without delays waiting for drawings or approvals.
Yes. We design single storey extensions to reflect your property's existing roofline, brickwork and proportions, so the new space reads as part of the original house rather than a bolt-on.
Fill in the form on this page or get in touch directly. We'll arrange an initial consultation to discuss layout options, budget and timescales, then take care of design, planning and build.