Building Better Futures: Residential, Commercial & Garage Conversion Experts

When it comes to quality construction, functionality, and future-proof design, Lion and Leinster stands at the forefront of the building industry. Whether you’re planning a modern home extension, transforming unused garage space, or upgrading your commercial premises, our team brings innovation and precision to every project.

With deep expertise across residential building services in London, commercial building services in Crawley, and garage conversions in Surrey, we help turn your property aspirations into valuable assets.

Residential Building Services London: A Home That Grows with You

Your home should be more than just four walls—it should evolve with your lifestyle. That’s why our residential building services in London focus on flexibility, elegance, and long-lasting quality. From contemporary house extensions and loft conversions to bespoke refurbishments, we help homeowners across the capital make the most of their property.

At Lion and Leinster, we understand that every home has its own character. Our skilled team blends functionality with tailored aesthetics to suit your personal style. Whether you're a growing family needing more space or simply refreshing a tired interior, we offer:

• Full-home renovations

• Kitchen and bathroom refurbishments

• Loft and attic conversions

• Side-return and rear extensions

• Smart home integration

Our architects and builders collaborate closely with clients, ensuring transparent communication from planning to completion. We also handle planning permissions, building regulations, and energy-efficiency upgrades—taking the pressure off your shoulders.

Looking for residential building services London? Trust Lion and Leinster for high-end craftsmanship and stress-free delivery.

Commercial Building Services Crawley: Professional Spaces, Built to Perform

Your commercial premises are more than a workspace—they’re a reflection of your brand. As specialists in commercial building services in Crawley, Lion and Leinster delivers environments that inspire productivity, client confidence, and long-term value.

Our commercial team understands the importance of speed, compliance, and minimal disruption. Whether you’re in retail, hospitality, education, or industrial sectors, we offer tailored solutions such as:

• Office refurbishments and reconfigurations

• Retail fit-outs and shopfront updates

• Structural repairs and commercial extensions

• Warehouse construction and unit conversions

• Fire safety upgrades and compliance work

Located strategically to serve Crawley and the surrounding Sussex area, we bring project management expertise and skilled workmanship to every job. Our mission? To help businesses grow and adapt without unnecessary delays or hidden costs.

From feasibility studies to post-build maintenance, we deliver the full scope of commercial building services with precision and integrity.

Elevate your business with commercial building services Crawley. Discover how Lion and Leinster transforms ordinary spaces into commercial assets.

Garage Conversions Surrey: Unlock Hidden Value in Your Property

Garage spaces are often underused, neglected, or simply wasted. At Lion and Leinster, we see untapped potential in every square foot. Our bespoke garage conversions in Surrey transform cold, cluttered areas into warm, functional living spaces that add real value.

Whether you’re looking to create a home office, studio, guest suite, or an extra bedroom, a garage conversion is one of the smartest investments you can make. It’s faster, cheaper, and less disruptive than a full extension—and it’s fully tailored to your vision.

We provide:

• Integrated design & build service

• Insulation, electrics, plumbing, and heating

• Windows, doors, and roofing modifications

• Interior design and space optimisation

• Planning and compliance services

A garage conversion also enhances kerb appeal and boosts property value—ideal if you’re planning to sell in the future. Our Surrey-based team manages every stage, ensuring the final result is both practical and beautiful.

Maximise your home’s potential with garage conversions Surrey. Lion and Leinster turns unused garages into dream spaces.

Why Choose Lion and Leinster?

We’re more than just builders—we’re creators of space and comfort. At Lion and Leinster, our mission is to provide residential and commercial clients with superior results, built to last. Here's what sets us apart:

✅ 15+ Years of Experience

From modest makeovers to large-scale developments, we’ve built a reputation for excellence across London, Crawley, and Surrey.

✅ Fully Licensed & Insured

We maintain the highest standards of safety and professionalism, backed by full public liability insurance.

✅ Client-Centric Approach

Every project starts with your vision. We offer honest advice, detailed planning, and transparent pricing—no surprises.

✅ Multi-Disciplinary Team

Architects, designers, electricians, builders, and project managers work in harmony to deliver seamless results.

✅ Timely Completion

We stick to deadlines without compromising on quality. Your time is valuable, and we respect it.

✅ Eco-Conscious Construction

Sustainability matters. We use eco-friendly materials and smart energy solutions where possible.

Ready to Build Your Vision?

Whether you’re a homeowner looking to expand or a business ready to upgrade, Lion and Leinster brings your vision to life with confidence and clarity. We believe in smart investments, beautiful design, and quality you can count on for years to come.

Get in touch today to schedule your free consultation and experience the Lion and Leinster difference.

Boost Your Property with Expert CraftsmanshipIt’s not just about building structures—it’s about creating environments where people thrive. From residential building services London to business renovations in Crawley and creative garage conversions across Surrey, our work enhances lives, boosts property value, and supports future growth.

Don’t settle for less. Choose Lion and Leinster—where your project becomes our passion.