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A small red-brick house with a white-framed glass conservatory, featuring a triangular window. The roof is tiled in red. Manicured lawn and colorful flower bushes surround the inviting home, which boasts recent house refurbishments. A paved path leads to the back of the house.

Add Attractive, Usable Space to Your Devon or Cornwall Home

Looking to create extra space, adding value to your property and enhancing its functionality? As the area’s trusted local builder, Top Spec Building Ltd specialises in delivering gold standard house extensions for clients in Plymouth and all across Devon and Cornwall.

Whether you’re dreaming of a practical side infill home extension, ultra-efficient double-storey house extensions, sleek conservatories or luxurious orangeries, we’re ready to bring your vision to life. And with our services extending to bathroom installations and new kitchen fitouts, we have the capability to both extend and populate the new space under one roof, for your convenience and peace of mind.

Family dining room extention with large glass windows and doors in Australian contemporary home
Sunroom with wide open sliding doors with wooden and wicker furniture inside and a stone tile walkway and grassed garden

Why Opt for House Extensions?

House extensions are some of the best ways to expand your living space without the hassle and expense of moving. A home extension not only offers practical benefits, such as an additional bedroom, home office or entertainment hub, but also significantly boosts your property’s market value. Top Spec Building Ltd in Plymouth ensures your extension is tailored to your needs, enhancing your home’s functionality and aesthetic appeal.

Comprehensive Extension Services

Our builders bring over 18 years of experience to every project, guaranteeing quality craftsmanship and attention to detail. We’re proud to offer comprehensive services that cover design, planning and all building work involved, from groundworks to finishing touches. This includes structural works, carpentry, plastering, plumbing, gas, electrical work, roofing, painting and decorating.

Whether you’re considering a single-storey home extension for a larger kitchen, double-storey house extensions for extra bedrooms, or its conservatories and orangeries that best catch your fancy, our team has the expertise to manage it all. We collaborate with trusted subcontractors for larger-scale projects, ensuring seamless delivery within projected timelines.

The dining room is an extension of the kitchen and is usually located near it

Types of House Extensions We Offer

More than just your typical builder, we have the depth of knowledge and experience required to deliver single-storey extensions, double-storey extensions, loft conversions, side infill extensions, over-structure extensions (above existing garages or rooms), wraparound extensions, dormer extensions, orangeries, conservatories and even porch extensions. Below, we’ve looked to provide a bite size description of each.

  • Single-Storey Extensions: Perfect for open-plan kitchens or living spaces, these are ideal for enhancing ground-floor functionality.
  • Double-Storey Extensions: Add both living and sleeping space, perfect for growing families.
  • Wraparound Extensions: Recommended for creating large, multifunctional areas by extending to the side and rear of the property.
  • Loft Conversions: Transform unused attic space into an extra bedroom, home office, hobby room or whatever else you can dream up!
  • Orangeries & Conservatories: Elegant options for adding bright, airy spaces with a connection to the outdoors.

Each project we undertake as the Plymouth area’s trusted local builder is designed with your preferences and property’s existing architecture in mind, ensuring a seamless integration of old and new.

Designing Your Dream Extension

The design phase is a crucial step in ensuring your home extension meets both your practical needs and aesthetic aspirations. Our team works closely with you to develop detailed plans and designs, taking into account your lifestyle and the all-important Building Regulations. Do you need a quiet office, a spacious kitchen, or would perhaps better benefit from bright and relaxing conservatives or orangeries? Here, the world’s your oyster. Heard stories of house extensions landing Plymouth residents in hot water? Don’t fret. We ensure all designs meet local planning and building regulations to avoid unnecessary delays.

Empty Interior Of Modern Kitchen In Home