What services do you offer?

B&N Building specialises in house extensions, loft conversions, bespoke joinery, basement conversions, kitchen design and installation, as well as complete home renovations and refurbishments.

Do you work in areas outside of Chigwell?

Yes, we operate throughout London, especially in North and North East London, as well as Essex, including Chigwell and surrounding areas.

How do I get a quote for my project?

You can request a free quote by emailing us or filling out the online form on our Contact Us page. We’ll arrange a consultation to discuss your project in detail.

How long does a typical project take?

The timeline varies depending on the size and scope of the project. After an initial consultation, we provide a detailed schedule so you know what to expect.

Are you a licensed and insured contractor?

Yes, B&N Building is fully licensed and insured, and all work is carried out to high safety and quality standards.

Can you help with planning permission for extensions and loft conversions?

Yes. We can assist with the planning permission process, including guidance on paperwork and local council approvals.

Do you offer bespoke design services?

Yes, we offer bespoke design services tailored to your needs, whether for a new kitchen, joinery, or other custom work.

How can I keep track of my project’s progress?

We maintain open communication throughout the project and provide regular updates so you are informed every step of the way.

House Extension | B&N Building Services

House Extension – Expand Your Home with B&N Building

At B&N Building, we are experienced house extension builders, helping homeowners create more space and transform their properties without the stress of moving. Whether you need a larger kitchen, an extra bedroom, or an open-plan family room, a house extension is one of the most effective ways to increase both the function and value of your home.

With years of experience across London, our team delivers bespoke extensions that match your lifestyle and blend seamlessly with your existing property. As professional house extension builders, we manage the entire process from design through to completion, ensuring every detail meets the highest standards.

Why Choose B&N Building fror your House Extension?

Choosing the right builders makes all the difference in a successful extension project. Here’s why homeowners work with us:

Expertise in Tailored Extensions – We design and build extensions that reflect your vision, style, and budget.
Seamless Integration – Our work ensures your extension feels like a natural part of your home.
Client-Focused Service – We prioritise clear communication and transparency throughout the project.
High-Quality Workmanship – Every extension is built with durable materials and attention to detail.
Fully Insured – For peace of mind, we are fully insured and compliant with building regulations.

Types of Extensions We Offer

As leading house extension builders, we provide a variety of extension types, each suited to different properties and client needs:

Single-Storey Extensions

Perfect for creating open-plan kitchens, dining rooms, or family spaces. A single-storey extension offers flexibility and can transform the way you use your home.

Double-Storey Extensions

Ideal for maximising space, double-storey extensions provide extra living space downstairs and new bedrooms or bathrooms upstairs.

Side Extensions

If your property has unused side space, a side extension is an excellent way to add a study, utility room, or expand your kitchen.

Wrap-Around Extensions

Combining side and rear extensions, this option creates a spacious open-plan layout that’s perfect for modern living.

Rear Extensions

A popular choice for homeowners who want a larger kitchen, dining room, or open-plan living area at the back of their home.

Our House Extension Process

Working with professional house extension builders means your project runs smoothly and efficiently. Our process includes:

Consultation and Design – We begin with a detailed assessment of your home and discuss your ideas to create a tailored design.
Planning and Approvals – Our team manages planning permission and liaises with local authorities where required.
Project Management – Dedicated project managers oversee every stage, ensuring timelines and budgets are met.
Construction – Our builders use high-quality materials and proven methods to deliver strong, durable extensions.
Final Touches and Handover – We complete your extension with flooring, finishes, and detailing, ready for you to enjoy.

Benefits of Choosing House Extension Builders

Hiring skilled house extension builders offers several key advantages:

Extra Living Space – Create new bedrooms, kitchens, or living areas without moving home.
Added Property Value – Extensions can increase market value significantly.
Custom Design – Extensions are tailored to your specific requirements and lifestyle.
Improved Functionality – A new layout can transform how you use your home day to day.
Cost-Effective Alternative to Moving – Avoid the stress and expense of relocating by extending instead.

Our Commitment to Quality and Compliance

At B&N Building, we take pride in the quality and safety of every project:

Fully Insured and Accredited – We provide comprehensive insurance coverage for peace of mind.
Building Regulation Compliance – All our work complies with the latest building standards.
Collaboration with Professionals – We work with architects, designers, and engineers to guarantee structural integrity.

Recent House Extension Projects

Our portfolio includes a wide range of projects completed by our expert house extension builders:

A single-storey kitchen extension creating a spacious open-plan living area.
A double-storey extension adding two bedrooms and a family bathroom.
A side extension in a semi-detached home, designed to include a home office and utility room.
A wrap-around extension providing a large dining and entertainment space.

Each project highlights our ability to adapt to different property styles and client requirements.

Areas We Cover

While based in London, we offer our house extension builder services across surrounding areas as well. From period homes needing sympathetic designs to modern houses requiring innovative layouts, our team delivers extensions tailored to every property type.

Frequently Asked Questions

How much does a house extension cost?
The cost depends on size, style, and materials. Single-storey extensions often start at £40,000, while larger double-storey projects are quoted individually.

Do I need planning permission?
Not always. Many extensions fall under permitted development rights. If planning approval is needed, we guide you through the process.

How long does a house extension take?
A single-storey extension usually takes 10–14 weeks, while larger double-storey extensions take longer. We provide accurate timelines at the start of every project.

Can you match my existing home?
Yes. As experienced builders, we ensure materials and finishes blend seamlessly with your property’s design.

Start Your Project with B&N Building

If you are searching for skilled and reliable house extension builders, B&N Building is here to help. Our team combines construction expertise with creative design to deliver extensions that enhance both space and value.

From consultation to completion, we ensure your project is handled with care, professionalism, and attention to detail.

Contact us today for a free consultation and let’s discuss how we can transform your home.

B&N Building – Professional House Extension Builders.

Frequently Asked Questions: House Extensions Specialists

BN Building specializes in comprehensive house extension services including design, planning permission assistance, construction, and project management. We handle various types of extensions such as single-storey, double-storey, side return, and wrap-around extensions.

The timeline for a house extension can vary depending on the scope and complexity of the project. Typically, a straightforward extension might take 12 to 16 weeks, while more complex projects could extend up to 30 weeks or more, including planning and permissions.

Costs for house extensions vary based on design, materials, and site conditions. At BN Building, we offer initial consultations to provide a detailed estimate tailored to your specific requirements, with prices generally starting from £1,500 per square meter.

Yes, we can provide a fixed price contract once all project details and specifications are finalized. This approach ensures that you have a clear understanding of the financial commitment without the worry of unexpected costs.

Our team collaborates closely with skilled architects and designers to match the new extension with your existing home’s architectural style and materials, ensuring a seamless integration.

BN Building offers a comprehensive warranty for all construction and structural work, typically covering a period of 10 years. Material-specific warranties are also provided, ensuring peace of mind regarding the durability and quality of the construction.

To begin, contact us for a detailed consultation where we discuss your needs, assess your property, and outline the potential project scope. Following this, we provide a feasibility study and initial designs to kickstart your extension project.

Yes, we manage all aspects of the house extension, from the initial groundworks to the final finishes. This includes utility adjustments, interior design, and even landscaping services if required.

At BN Building, we pride ourselves on our commitment to quality, precision, and customer satisfaction. We maintain close communication with our clients throughout the project and use only the best materials and skilled tradespeople, ensuring that each extension is built to the highest standards.

Many house extensions require planning permission, depending on their size and location. BN Building provides guidance and support in obtaining necessary permissions from local authorities to ensure compliance with all local planning regulations.