Home Extensions in Belsize Park

At Convert Construction, we specialise in home extensions in Belsize Park, delivering a seamless process from initial concept to final completion. Our integrated approach ensures that every aspect of your extension – from architectural design and planning to construction and interior finishing – is managed efficiently, resulting in a high-quality, bespoke space tailored to your lifestyle. Whether you’re looking to create a larger kitchen, add a new bedroom, or open up your living area, our experienced team handles every detail with precision and care.

A home extension approach streamlines the entire construction process by combining design, planning, and building under one team. This eliminates delays, miscommunication, and unexpected costs often associated with traditional construction methods. We work closely with you to understand your vision and requirements, ensuring the final result enhances both your home’s value and your day-to-day living. From light-filled open-plan spaces to sympathetic period-style additions, we create extensions that are both practical and architecturally striking.

Home Extensions Belsize Park

Our home extension projects in Belsize Park are defined by exceptional craftsmanship, innovative design, and the use of high-quality materials. Whether you’re interested in a side return, rear, wraparound, or double-storey extension, we ensure every detail is carefully considered. Our partnerships with leading architects, structural engineers, and interior designers enable us to deliver spaces that balance luxury, innovation, and long-term durability.

With Belsize Park’s focus on conservation and sustainability, we incorporate energy-efficient solutions into every extension. From high-performance insulation and renewable energy systems to heritage-approved glazing, we ensure your new space meets modern standards while respecting the area’s unique character. Our expertise in Camden’s planning policies ensures compliance with local building regulations, delivering a project that is both environmentally responsible and architecturally stunning.

Belsize Park Home Extensions

Belsize Park is renowned for its elegant period properties, leafy streets, and vibrant community. The area features a blend of Victorian, Edwardian, and contemporary homes, many located within conservation areas. This architectural richness makes Belsize Park a prime location for thoughtfully designed home extensions that enhance both space and value.

A home extension in Belsize Park allows you to maximise your property’s potential while preserving its historic charm. Whether you’re adding a modern kitchen-diner, creating a garden room, or building a double-storey addition, our local experience ensures your extension blends seamlessly with the original structure. Our knowledge of local planning restrictions, conservation area requirements, and building regulations allows us to navigate the approval process smoothly, avoiding unnecessary delays.

Our Projects
Other services

Frequently Asked Questions

Here you will find answers to some of the most commonly asked questions about home extensions in Belsize Park.

A home extension in Belsize Park allows you to increase your living space without the need to move, making it ideal for growing families or those seeking more functional, modern layouts. Extensions can significantly boost property value, especially in sought-after areas like NW3 where space is at a premium.

By working with a specialist like Convert Construction, you benefit from a tailored design that complements your home’s original character, incorporates energy-efficient features, and is built to the highest standards. Our experience in Belsize Park ensures your extension enhances both your lifestyle and your investment.

Most home extensions in Belsize Park require planning permission, particularly as much of the area falls within conservation zones and is subject to Article 4 Directions that restrict permitted development rights. The planning process involves submitting detailed drawings and supporting documents to Camden Council, addressing aspects like design, materials, and the impact on neighbouring properties.

Our team manages the entire application process, liaising with local authorities and ensuring your extension meets all requirements. We also advise on listed building consent and any additional permissions needed for heritage properties, helping you avoid delays and complications.

The cost of a home extension in Belsize Park depends on the size, complexity, and specification of the project. As a guide, single-storey extensions typically start from £90,000, while larger or double-storey extensions can exceed £200,000.

Factors such as bespoke glazing, specialist finishes, and structural alterations can influence the overall budget. At Convert Construction, we provide a detailed, transparent quotation and a fixed-price contract after an initial consultation and site survey, so you know exactly what to expect before work begins.

The timeline for a home extension in Belsize Park varies based on the scale and complexity of the project. A typical single-storey extension takes between 4 and 6 months from planning approval to completion, while larger or multi-storey projects may take 8 months or more.

The process includes design development, planning approval, structural works, fit-out, and final finishing. We provide a clear project schedule at the outset and keep you updated at every stage, ensuring a smooth and timely build with minimal disruption to your daily life.

Convert Construction has extensive experience delivering high-quality home extensions in Belsize Park and across NW3. Our team understands the unique challenges of working in conservation areas and with period properties, ensuring every extension is designed and built to complement the original architecture.

We offer a fully managed service, from planning and design to construction and aftercare, with a focus on transparency, craftsmanship, and client satisfaction. Our projects are backed by comprehensive guarantees, and we are committed to delivering exceptional results that exceed expectations.

If you’d like to discuss your home extension project in Belsize Park, contact us or call 0208 392 2262 to arrange a free consultation.

Contact Convert Construction

© 2025, Convert Construction. All Rights Reserved.

Registered in England & Wales | Company No. 04762476 | VAT No. GB 839 3824 91 | Privacy Policy