Loft Conversion Specialists

Looking for a quote for your loft conversion? We can help build your perfect living space.

More space for growing needs

As families grow, homes can quickly feel cramped and insufficient. A loft conversion can seamlessly transforms wasted space into an extra bedroom and bathroom.

Typically, it’s one of the highest-return investments in home development – easily accommodating your evolving family needs while avoiding the hassle and expense of moving house.

Syze Developments Extension Builders

Our Approach To Loft Conversions

A big project can be daunting – we aim to make it as transparent and predictable as any other service.

Consultation

Understanding your vision comes first. However far you’ve got with planning, we’ll work with you to arrive at a solution that meets your needs and satisfies all necessary regulations. Our long experience frequently helps to add clarity or suggest innovative features for your living space.

Budgeting

Once the design is established, we produce a detailed report showing the cost of materials, labour, permits and other associated expenses. This transparent cost breakdown makes it easy to understand the full scope of the project – allowing you to identify cost-saving opportunities.

Construction

Loft conversions have special considerations: as well as scaffolding and weather proofing, crane access may be required to position steelwork. Site safety is rigorously maintained and work is planned around your daily activity, ensuring your satisfaction throughout the build.

Why choose Syze Developments to build your extension

Bringing Your Vision to Life

Your home is more than just a space—it’s a reflection of your lifestyle and aspirations. That’s why we take the time to understand your vision and create a tailored plan with meticulous attention to detail.

With various design and finish options, you’ll make informed decisions at every step. Our skilled tradesmen ensure exceptional craftsmanship, and our Federation of Master Builders-approved contract guarantees transparency, so no unexpected costs once the budget is set.

What sets us apart is our open communication and seamless, stress-free experience — you can enjoy the journey as much as the final result.

“HIGHEST QUALITY”

“Great team to work with. Quote was not the cheapest or most expensive but work finished to highest quality. Great range of innovative problem-solving skills were demonstrated throughout and they were very patient with constant changes by myself”

Customer, Petersfield

“COURTEOUS AND PROFESSIONAL”

“Simon took the time to visit us and discuss our project, giving guidance where needed. Workmen were extremely courteous and professional. The end result is better than we could have hoped for. We highly recommend without reservation”

Customer, Havant

“IMPRESSIVE CRAFTMANSHIP”

“I am beyond pleased with the result of the work carried out. The team were hard working, clean and respectful, and on time daily. Their attention to detail and craftsmanship is impressive. They fully understood our vision and created it perfectly”

Customer, Cowplain

Transforming Homes

We’re proud of the work we do and are happy to show projects we’ve completed for our clients.

Extension And Kitchen Remodel2024-12-29T02:54:04+00:00
Extension And Kitchen Remodel
Extension And Kitchen Remodel

Extension And Kitchen Remodel

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West Meon two storey modern extension2025-03-21T03:56:31+00:00
West Meon two storey extension
West Meon two storey modern extension

West Meon two storey modern extension

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Two Storey Wrap-Around Extension Waterlooville2024-12-29T02:53:44+00:00
Waterlooville two storey extension
Two Storey Wrap-Around Extension Waterlooville

Two Storey Wrap-Around Extension Waterlooville

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Luxury Spa Extension in Clanfield2024-12-29T02:54:35+00:00
Luxury Spa extension
Luxury Spa Extension in Clanfield

Luxury Spa Extension in Clanfield

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Wrap-Around Extension in Petersfield2024-12-29T02:54:19+00:00
Petersfield wrap-around extension
Wrap-Around Extension in Petersfield

Wrap-Around Extension in Petersfield

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Frequently Asked Questions

A simple loft conversion with Velux windows can cost as little £30,000 – whereas a complete high-end rebuild of the upper storey of a house may cost £130,000.

The construction phase will provide a watertight superstructure with finished roofing, glazing and staircase built to regulations and signed off by the building inspector.

Duration depends on complexity. A discrete conversion with Velux windows typically takes between 6-8 weeks, a dormer 8-10 weeks and a new build between 12-16 weeks.

We can arrange a start date for a Loft Conversion project within 6-8 weeks from contract and always within 12 weeks – or scheduled around your existing commitments.

A simple loft conversion with Velux windows can cost as little £30,000 – whereas a complete high-end rebuild of the upper storey of a house may cost £130,000.

The construction phase will provide a watertight superstructure with finished roofing, glazing and staircase built to regulations and signed off by the building inspector.

Duration depends on complexity. A discrete conversion with Velux windows typically takes between 6-8 weeks, a dormer 8-10 weeks and a new build between 12-16 weeks.

We can arrange a start date for a Loft Conversion project within 6-8 weeks from contract and always within 12 weeks – or scheduled around your existing commitments.

Professional Affiliations

Our contracts are approved by the Federation Of Master Builders for total peace of mind.

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Federation Of Master Builders
Trust A Trader Logo
Buildertrend Logo
Federation Of Master Builders
Trust A Trader Logo

What happens next?

Ready to take the next step? We offer a free, no-obligation home consultation to discuss your ideas. Whether you have detailed plans or just a rough sketch, we’ll provide expert guidance to help you move forward with confidence.

Fill out the form at the top of this page to get started—we’d love to hear about your project!