ZSS UK Ltd is a London-based construction and refurbishment company specialising in high-quality building, renovation and finishing works. We take pride in our craftsmanship, customer loyalty and long-term relationships. Our team focuses on honest communication, premium workmanship, and making even difficult or complex projects possible.

What services do you offer?

We provide full construction and refurbishment services including complete house renovations, high-spec interiors, kitchens, bathrooms, wet rooms, painting and decorating, tiling, flooring, electrical installations, plumbing, underfloor heating, roofing, gutter repairs, brickwork, pointing, structural alterations, extensions, loft conversions, landscaping, drainage works, non-return valves, vault repairs, insurance reinstatement works, bespoke carpentry and joinery, door and window installation, and site clearance.

What makes ZSS UK Ltd different?

We are known for reliability, friendliness and a strong commitment to quality. We maintain clean working practices, protect your home carefully, offer itemised quotes, communicate clearly, and deliver high-spec long-lasting results. Many clients return to us for years because of our professionalism and loyalty-focused approach.

Loft Conversions and Home Extensions in London | Expand Your Living Space

Loft Conversions and Home Extensions in London

Enhance your home with expertly designed and flawlessly built loft conversions and extensions. ZSS UK transforms unused or limited areas into bright, versatile living spaces that elevate comfort and increase property value.

Request a Free Consultation

Smart, High-Value Space Expansion

From concept and planning to structural works and final finishes, we ensure every stage is coordinated and carefully executed.

Our capabilities include:
• Loft conversions: dormer, hip-to-gable, mansard
• Rear and side extensions
• Double storey extensions
• Structural alterations and steel installation
• Roof adjustments and dormer construction
• Creation of bedrooms, studies, and living areas

Designed to optimise space, daylight, and long-term functionality.

Why Homeowners Choose ZSS UK

• Proven expertise in London residential construction
• Complete project management from start to finish
• High-standard structural and interior craftsmanship
• Transparent budgets and realistic programmes
• Considerate on-site practices throughout the build

Your new space will integrate seamlessly with your existing home.

Our Build Process

Consultation- We assess space, needs, and feasibility.

Survey & Design- Support with design, planning and approvals.

Structural Phase- Forming new spaces, roofing, steels and insulation.

Fit-Out & Interiors- Plumbing, electrics, windows, flooring and finishes.

Completion- Full inspection and handover to client.

A clear and efficient workflow that ensures quality at every step.

Areas We Serve

Based in North West London, we work across:

• West London
• North-West London
• Central London
• Kensington and Chelsea
• Notting Hill
• Knightsbridge
• Hampstead
• Maida Vale and Paddington

If your area is not listed, please get in touch — we may still be able to assist.

Frequently Asked Questions

Is planning permission required?
Some works fall under permitted development rights. If planning approval is needed, we will guide and help manage the process.

How long does an extension or loft conversion take?
Typically 8 to 16 weeks, depending on scale and structure. We provide a clear programme before work begins.

Can the new space match the home aesthetically?
Yes. We ensure materials, proportions, and details integrate naturally with the property.