Residential Construction · West London

We renovate & extend
exceptional West London homes.

AG-Renovation Ltd is an experienced West London building company specialising in house extensions, loft conversions, full property refurbishments, structural alterations and luxury bathrooms across Kew, Richmond, Chiswick, Teddington, Twickenham and surrounding areas. All staff are checked and trusted (DBS Checked).

Direct Management
Personally managed by Andrew from initial discussion through to final handover
Our Services
House Extensions · Loft Conversions · Full Refurbishments · Luxury Bathrooms
Our Team & Standards
All staff checked & trusted (DBS Checked) · Gas Safe · 18th Edition Electrical
Areas We Cover
We work across most of London, covering postcodes such as TW1, TW2, TW9, TW10, TW11, TW12, W3, W4, W5, W11, W12, W13, NW6, SW14, SW15, KT8, HA0, HP7 and many more.

What we do

From structural steelwork to luxury bathrooms.

We carry out residential building projects across Kew, Richmond, Chiswick, Teddington, Twickenham and surrounding areas, from smaller renovations to large extensions, loft conversions and complete property refurbishments.

We offer a complete build service from concept to completion, including all construction works, plumbing, heating, electrical installations and structural works. We can also arrange architectural drawings, structural engineer calculations and private building control services, allowing the entire project to be managed under one company without the need to coordinate multiple contractors or subcontractors.

Our experienced team has worked together for many years, maintaining high standards of workmanship, attention to detail, reliability and clear communication at every stage of the project. All staff are checked and trusted (DBS Checked).

Arrange a free site visit & detailed quotation →
Our Services — Complete In-House Capabilities Full project management from concept to completion
◆ Rear, side return & wraparound extensions
◆ Loft conversions & structural alterations
◆ Full property renovations & refurbishments
◆ Luxury bathroom & wet room installations
◆ Structural steel installations (RSJs, lintels & padstones)
◆ Plumbing, heating & hot water cylinder systems
◆ Boiler replacements & heating upgrades
◆ Underfloor heating & energy-efficient home improvements
◆ Bespoke carpentry & finishing works
◆ Internal & external decorating
◆ Electrical & Heat Pump installations
◆ Full project management from start to finish

Selected projects · From initial construction to final finishes

Homes we have extended & renovated across West London.

Specialist Plumbing & Bathrooms

Luxury Bathroom Installations & Heating Systems.

Enquire About Bathrooms

Alongside our structural building and extension projects, AG-Renovation Ltd specializes in high-end bathroom refurbishments, wet rooms, bespoke tiling, and complete central heating installations (combi boilers, G3 unvented hot water cylinders, and underfloor heating). Browse our dedicated gallery below.

How we work

Personal management from initial discussion to handover.

We personally manage every project from start to finish, coordinating all stages of the work to ensure continuity, quality workmanship and clear communication throughout the build. All staff are checked and trusted (DBS Checked).

Our clients deal directly with us throughout the project, from the initial discussion and preparation through to completion and handover—never passed around between random subcontractors.

Call Andrew directly: 07895 866293 →
1
Initial Consultation & Site Visit
We visit your property in Kew, Richmond or West London to discuss your plans, structural possibilities, budget and timeline directly with you.
2
Preparation, Structural Planning & Costing
We review architectural and structural engineer drawings, schedule materials, arrange scaffolding or crane logistics, and set out a clear, detailed scope of works.
3
Foundations, Steelwork (RSJ) & Shell Construction
Excavation, concrete foundations, temporary propping, heavy RSJ steel beam installation, matching stock brickwork, Recticel/Ballytherm insulation, and roofing.
4
Certified MEP Installations (First & Second Fix)
In-house certified 18th Edition electrical wiring, smart home systems, Gas Safe heating, Megaflo G3 unvented hot water cylinders, heat pumps and wet/electric underfloor heating.
5
Bespoke Finishes, Joinery & Handover
Plastering, bespoke fitted kitchens, custom media walls, herringbone parquet, marble tiling, patio landscaping and full UK regulatory sign-off.

Qualifications and Professional Standards

Certified, accredited & fully insured across building, gas, water, electrical & heating.

✓ All Staff Checked & Trusted (DBS Checked) ✓ Federation of Master Builders Member ✓ TrustMark Registered ✓ Gas Safe Registered Engineer ✓ Qualified in Hot & Cold Water Systems (Water Regs) ✓ Unvented Hot Water Cylinders (G3 Megaflo) ✓ Heat Pump & Energy-Efficient Installations ✓ 18th Edition Electrical Qualification ✓ First Aid Certified ✓ Fully Insured (Public & Employer Liability Cover)

This gives AG-Renovation Ltd strong technical knowledge across building, heating, plumbing and electrical installations and allows us to coordinate complete renovation and extension projects effectively and in accordance with UK regulations.

Why Clients Choose AG Renovation Ltd
  • ◆All staff are checked and trusted (DBS Checked)
  • ◆One company managing the full project from design to completion
  • ◆Experienced and trusted long-term building team
  • ◆Personal project oversight and direct communication
  • ◆High-quality workmanship with attention to detail
  • ◆Professional coordination with architects and building control
  • ◆Reliable scheduling and organised project delivery
  • ◆Free site visits and detailed quotations available

Selected Residential Projects Across West London

Completed street portfolio across Richmond, Kew Gardens, Chiswick & Beyond.

  • Kelsall Mews & Woodman Mews, Kew Riverside TW9Multiple Projects
    Full House Renovations & Rear Extensions on the private Kew Riverside estate
  • Twickenham · TW1 & West Molesey · KT8Extensions
    Side & Rear Extensions, Combi Boilers & Underfloor Heating Installations
  • Chiswick · W4 & Teddington · TW11Major Rebuilds
    Major Structural Rebuilds, Loft Conversions & Multi-Floor Extensions
  • Wembley · HA0 & Amersham · HP7Transformations
    Bungalow to 7-Bed House Transformation with Gym Outbuilding & Large Extensions

About AG-Renovation Ltd

Trusted West London builders with a long-standing team.

“A large proportion of our work comes through recommendations and repeat clients across Kew Gardens Riverside and West London.”

Whether you are planning a house extension, loft conversion, structural alteration or complete property refurbishment, AG-Renovation Ltd manages your project personally from start to finish.

AG-Renovation Ltd is an experienced London-based building company specialising in high-quality house extensions, loft conversions, full property refurbishments and structural alterations.

With more than 10 years of experience in residential construction and a long-term team of skilled tradespeople who have worked together for many years, we have completed many successful projects across Richmond, Kew Gardens, Chiswick, Teddington, Twickenham, Wembley, Amersham and surrounding West London areas. All staff are checked and trusted (DBS Checked).

We offer a complete build service from concept to completion, including all construction works, plumbing, heating, electrical installations and structural works. We can also arrange architectural drawings, structural engineer calculations and private building control services, allowing the entire project to be managed under one company without the need to coordinate multiple contractors or subcontractors.

AG-Renovation Ltd is a Federation of Master Builders (FMB) Member and TrustMark Registered firm, holding professional qualifications including Gas Safe Registration, G3 Unvented Hot Water Systems, Water Regulations certification, Heat Pump Installer qualification, First Aid certification and 18th Edition Electrical qualification, alongside full Public and Employer Liability insurance cover.

If you are considering a house extension, loft conversion or full property renovation, we would be pleased to arrange a free site visit, discuss your ideas and provide a detailed quotation tailored to your project requirements.

Andrzej Galka (Andrew)
Director — AG RENOVATION LTD

Repeat Clients & Recommendations

What homeowners across West London say about us.

Discuss your project with Andrew.

Contact us to discuss your house extension, loft conversion or refurbishment and arrange an initial consultation.

Contact AG-Renovation Ltd

Arrange an initial consultation.

Whether you already have architectural and structural engineer drawings ready for pricing or are at the initial planning stage of your project in West London, get in touch directly with Andrew.

Direct Project Director
Andrew — AG-Renovation Ltd
07895 866293
Areas We Cover & Free Site Visits

We work across most of London, covering postcodes such as TW1, TW2, TW9, TW10, TW11, TW12, W3, W4, W5, W11, W12, W13, NW6, SW14, SW15, KT8, HA0, HP7 and many more.

✓ Free site visits and detailed quotations available · All staff DBS Checked

Project Enquiry Form

Tell us about your property

Or call Andrew directly on 07895 866293
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