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).
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 →Extensions & Lofts
Rear, side-return and L-shaped house extensions alongside full dormer loft conversions, built from foundation trenches and crane-lifted RSJ steelwork to roof lanterns and bi-fold doors.
See extensions & lofts → 02Full Property Refurbishment
Complete house and ground-floor renovations including bespoke fitted kitchens, marble bathrooms, herringbone parquet, custom joinery, slatted partitions and smart home systems.
See refurbishments → 03Bathrooms & Plumbing
High-end bathroom installations, wet rooms, freestanding baths, brushed brass armatur, combi boilers, unvented hot water cylinders and underfloor heating systems.
See bathroom gallery →Selected projects · From initial construction to final finishes
Homes we have extended & renovated across West London.
Specialist Plumbing & Bathrooms
Luxury Bathroom Installations & Heating Systems.
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 →Qualifications and Professional Standards
Certified, accredited & fully insured across building, gas, water, electrical & heating.
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.
- ◆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.
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Kelsall Mews & Woodman Mews, Kew Riverside TW9Multiple ProjectsFull House Renovations & Rear Extensions on the private Kew Riverside estate
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Twickenham · TW1 & West Molesey · KT8ExtensionsSide & Rear Extensions, Combi Boilers & Underfloor Heating Installations
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Chiswick · W4 & Teddington · TW11Major RebuildsMajor Structural Rebuilds, Loft Conversions & Multi-Floor Extensions
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Wembley · HA0 & Amersham · HP7TransformationsBungalow 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.
Director — AG RENOVATION LTD
Repeat Clients & Recommendations
What homeowners across West London say about us.
“Having completed several extensions and full ground-floor renovations on the private Kew Riverside estate, Andrew and the AG-Renovation team are known by neighbours for their reliability, crane & steelwork precision, and immaculate kitchen and patio finishes.”
“From the heavy structural steelwork and yellow stock brickwork on our L-shaped rear extension to the full loft conversion above, dealing directly with Andrew every day made the entire build seamless and transparent.”
“Because AG-Renovation hold their own Gas Safe, G3 Megaflo and 18th Edition electrical certifications, there were no delays waiting on outside subcontractors for our underfloor heating, boiler and smart home installation.”
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.
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