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Providing Domestic & Commercial Building Work for Northampton for the past 50 years
Providing Domestic & Commercial Building Work for Northampton for the past 50 years

House Extensions Northampton

Croxford Construction are trusted local builders in Northampton, specialising in house extensions that add space, value, and style to your home. Whether you’re planning a single-storey kitchen extension, a double-storey addition, or a complete open-plan redesign, our experienced team manage every stage from design to completion.

With over two decades of construction expertise across Northamptonshire, we understand local planning rules, building regulations, and the importance of delivering high-quality results on time and on budget. From initial consultation through to finishing touches, Croxford Construction turn your extension ideas into real, functional living space - built to last and finished to perfection.

  • Single Storey House Extension
  • Double Storey House Extension
  • Conservatories
  • Wrap-around House Extension
  • Side Return House Extension

Why Choose Croxford Construction for Your House Extension

When you choose Croxford Construction, you’re working with a reputable Northampton-based building company known for reliability, craftsmanship, and clear communication. Every project is overseen by an experienced local team that takes pride in professional workmanship and customer satisfaction. We offer complete project management - handling design, planning applications, construction, and finishing - ensuring your extension project runs smoothly from start to finish.

Types of House Extensions We Build

High-quality home extensions

We specialise in a range of high-quality home extensions, including:

  • Single-storey rear extensions - perfect for open-plan kitchens and dining spaces.
  • Double-storey extensions - add bedrooms, bathrooms, or office space above.
  • Side extensions - maximise space on narrow or underused plots.
  • Wrap-around extensions - transform your home layout with seamless integration.

Each extension is tailored to your property style, budget, and long-term goals.

Planning Permission and Building Regulations

Many smaller extensions in Northampton fall under permitted development rights, but larger or double-storey projects often require planning permission. Our team can help with drawings, applications, and liaising with the local planning department.

Learn more about planning permission in Northampton on the North Northamptonshire Council website.

Croxford Construction Ltd. Northampton's Premier General Builder for the past 50 years.
Ready to Start to Your Building Project?

Contact Croxford Construction today!

Simply fill out our contact form and tell us about your needs – let’s start turning your plans into reality!

What are the benefits of a House Extension in Northampton?

Increased living space
This is the most obvious benefit of a house extension and is especially beneficial if your family has grown or you simply want more room to enjoy.
Improved home value
A well-designed and executed house extension can significantly increase the value of your property, making it a great investment.
More natural light
By extending your home, you can enjoy more natural light throughout the day, making your living space brighter and more cheerful.
Greater flexibility
With an extra room or two, you’ll have much greater flexibility in how you use and arrange your living space. You could create a new bedroom, office, playroom or anything else that would suit your needs.

What are the different types of House Extensions available?

There are many different types of house extensions Northampton available to choose from when looking to add extra space to your home. Below is a brief overview of some of the most popular types of extensions.
Single storey house extension
These are typically the most cost-effective option and can be used to extend any room in your home, from the kitchen to an additional bedroom.
Double storey house extension
Provides significant space on both floors, perfect for additional bedrooms or a larger living area.
Wrap-around house extension
Combines side and rear extensions, maximising ground floor space, often used for creating open-plan layouts.
Side return house extension
Utilises the narrow alley alongside a house, typically expanding kitchens or dining rooms.
© Croxford Construction Ltd. General Builder in Northampton for over 50 years