13-13 Builders Ltd — Based in Southall, West London
Trusted Builders in West London, Built on 20 Years of Craft
13-13 Builders Ltd builders in West London is a Southall-based construction company , delivering new builds, loft conversions, house extensions, full refurbishments, and specialist trades across the region and beyond. Founded by Jaimal Singh — a builder with over 20 years of hands-on site experience — every project is personally overseen from first consultation to final inspection. We bring every trade in-house, so there are no subcontractors, no communication breakdowns, and no hidden costs.
West London Homeowners Deserve Builders They Can Trust
13-13 Builders Ltd was founded in Southall by Jaimal Singh with a straightforward belief: West London homeowners deserve builders in West London they can actually rely on. Over two decades, we have grown from a small local team into one of the most trusted construction companies serving the whole of West London. We have done this not by cutting corners, but by doing the opposite.
Why Choose 13-13 Builders Ltd
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20+ Years of Proven Experience Jaimal Singh has been working in construction for over two decades — from structural decisions at foundation stage to the finishing touches that make a home feel complete.
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All Trades In-House — No Subcontractors Building, electrical, plumbing, joinery, tiling, and decoration are all carried out by our own employed team. This means tighter quality control, better communication, and no delays.
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Transparent Pricing From Day One You receive a clear, itemised quote before work begins. There are no surprise invoices and no pressure to approve extras mid-project — what we quote is what you pay.
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Jaimal Singh on Every Project You have direct access to the decision-maker throughout, rather than a call centre or a site manager you have never met.
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Fully Insured on Every Build Because we carry comprehensive public liability and employer's liability insurance on all projects, you, your property, and our team are protected from groundbreak to completion.
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Timely Completion, Guaranteed We set realistic timelines at the outset, and if something changes, we tell you immediately. In short, we do not let problems compound in silence.
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Our Construction Services in West London
We handle the full scope of residential and commercial construction — from the ground up to the final fixture. Whether you are building new, extending outward, converting upward, or transforming the interior, our in-house team has the skills, tools, and experience to deliver it to the highest standard.
New Builds
From groundwork to roof ridge, we manage complete new build construction projects across West London. We handle planning coordination, structural work, all internal trades, and final finishing — a single point of contact.
Loft Conversions
Our Ealing loft conversion projects cover dormer, hip-to-gable, and mansard designs — all handled by our in-house structural, electrical, and finishing teams. We manage planning applications and the full build. One company, not five.
House Extensions
Single or double storey extensions that sit seamlessly with your existing property. Our Hayes house extension team delivers structurally sound, architect-quality builds — no awkward joins, no compromises on materials.
Full Refurbishments
Structural alterations, replastering, new flooring, complete rewires, plumbing overhauls, kitchen and bathroom installation — all coordinated under one roof. Jaimal Singh leads every refurbishment personally.
Electrical Services
Full rewires, fuse board upgrades, EV charger installation, smart lighting systems, and additional circuit work. All certified to BS 7671 standards with completion certificates provided.
Plumbing Services
From burst pipe repairs to full bathroom plumbing installations. Boiler system integration, underfloor heating, wet room installations, and complete replumbing for renovation projects — our in-house plumbers, no waiting.
Bespoke Kitchens
Designed around the way you actually use your home. Shaker-style cabinetry, contemporary handleless units, custom islands, and integrated appliance solutions — every worktop, fitting, and connection handled by our own team.
Bespoke Bathrooms
Full design consultation, waterproofing, tiling, sanitary ware fitting, and plumbing. Wetroom conversions, freestanding bath installations, fully tiled en-suites — finished to a standard that holds up for years.
Areas We Cover Across West London
Based in Southall, we work across 16 towns and districts throughout West London — and take on projects across the whole of Greater London.
No exact match — but we likely still cover you. Call 07535 003746 to confirm.
Recent Building Projects Across West London
A selection of driveway, extension, and bathroom projects completed by 13-13 Builders Ltd for homeowners across West London.
Imprinted Concrete Driveway, West London
A full driveway resurfacing using slate-effect imprinted concrete, finished with decorative compass medallions, a linear drainage channel, and a contrasting dark border edge for a clean, durable finish.
View this project →
Open-Plan Rear Extension, West London
A rear extension creating an open-plan kitchen-diner, finished with a glass roof lantern and integrated LED lighting, full-width sliding doors onto the garden, and large-format porcelain floor tiles throughout.
View this project →
Marble & Brass Bathroom Renovation, West London
A full bathroom refit featuring floor-to-ceiling marble-effect tiling, a navy vessel-sink vanity unit, a black-panelled bath with glass screen, and brushed brass fittings throughout, including a heated towel rail.
View this project →From Consultation to Completion
Free Consultation
No-obligation site visit. Jaimal assesses your project and discusses your vision in detail.
Detailed Quote
Clear, itemised written quote within days. Planning guidance included where needed.
Build & Management
Jaimal oversees the programme. Trades coordinated in sequence. Direct line to him throughout.
Handover & Aftercare
Thorough walkthrough, all certification and warranties handed over. Available post-completion.
Frequently Asked Questions
Ready to Start Your Project in West London?
Whether you are planning a loft conversion, a house extension, a complete renovation, or a new build, 13-13 Builders Ltd is ready to make it happen — on time, on budget, and to a standard that stands up to scrutiny.
