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Comprehensive Property Maintenance Delivered by Skilled Experts

We provide expert maintenance services to keep your property in top condition. From routine upkeep to essential repairs, SLL Building Co. ensures durability, efficiency, and attention to detail across London and the surrounding areas.

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City And Guilds
Federation of Master Builders
Trustmark Government Endorsed Quality

We provide expert maintenance to keep your home in top condition, ensuring durability, safety, and style. From minor repairs to regular upkeep, our skilled team delivers quality workmanship and tailored solutions—with clear communication every step of the way.

0208 087 1923

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General Repairs

We provide general repair services to keep your property in top shape. Our team handles a variety of tasks efficiently, ensuring reliable results with minimal disruption.

Plumbing Repairs


We offer fast, reliable plumbing repairs for leaks, blockages, and faults. Our skilled technicians ensure your system runs smoothly, meeting all safety standards and minimising disruption to your property.

Electrical Repairs

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We offer safe and reliable electrical repairs for homes and businesses. Whether it's faulty wiring or power outages, our certified electricians deliver efficient solutions that meet all safety and regulatory requirements.

Painting & Decorating

We enhance your property's appearance with expert painting and decorating services. Whether updating a room or overhauling your entire property, we offer finishes that match your personal style and needs.

Roof Repairs

We perform professional roof repairs to protect your property from weather damage. Our team addresses leaks, broken tiles, and other issues with durable, long-lasting solutions to safeguard your home or business.

Brickwork & Masonry


We repair and restore brickwork and masonry, preserving your property's structure and look. From repointing to rebuilding, our expert craftsmanship ensures lasting strength and visual appeal.

Why Choose Us

Door Installation

40 Years Experience

Rely on our seasoned expertise. Your vision, our commitment - a legacy built on precision and satisfaction.


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7 Days a Week

We’re here when you need us, offering flexible and reliable service every day of the week.


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Reliable & Credible


Trust in our reputation for delivering exceptional results, every time.​​


Free Quotes & Consultations

No pressure, just expert advice. Get a free quote and consultation to start your project with confidence.
 

Workers in Building Site

Wraparound Extension – Sarah L.

(Wimbledon, London)​​​

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We had a wraparound extension done on our Victorian semi, and we couldn’t be happier with the result. From planning permission to final finishes, everything was handled professionally and on time. The team was tidy, polite, and always communicative. Our kitchen and dining space are now bright, open, and exactly what we imagined. Highly recommend for anyone considering a home extension.

HMO Conversion – James K. (Croydon)

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I hired a team for a full HMO conversion of a 5-bedroom house, and they delivered beyond expectations. They handled the project end-to-end — fire regulations, soundproofing, en-suites, and even the planning with the council. What impressed me most was their understanding of compliance and investment returns. The work was high quality and completed within budget. As a landlord, finding a reliable team like this is gold.

Basement, Loft & Rear Extension – Priya D. (Dulwich Village, South London)

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We undertook a major renovation — basement dig, loft conversion, rear extension, and a full-house refurb. A huge project! The project manager kept everything on track and transparent. We lived off-site during the work, but they sent regular updates and even helped with finishes selection. The craftsmanship is excellent, and the house feels brand new but still full of character. We’ve had so many compliments.

Client Feedback



We take pride in delivering top-tier property maintenance services to clients throughout London.




 

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