JW McDonald Building Services South & South East London Builders
Complete Home Refurbishment Specialists
At JW McDonald Building Services, we specialise in full home refurbishments, kitchen renovations, bathroom installations and boiler upgrades across South London, South East London.
We are a privately owned business established in 2006, offering our clients over 25 years of experience. We aim to always deliver high-quality, fully managed renovation projects for homeowners and landlords -on time and within budget.

Complete Renovations – Managed from start to finish
We focus on multi-room and full property refurbishments, providing a complete service that covers every stage of your project.
Our services include:
- Full property refurbishments
- Kitchen design & installation
- Bathroom renovations & full refurbishments
- Boiler installations & combi boiler conversions
- Plumbing, electrics, gas, tiling, carpentry & general building
Our multi-trade team means no delays, no multiple contractors, just one experienced company handling everything.
Typical Renovation Costs (Guide Only)
Clear, transparent pricing from the start.
Bathrooms: £5,000 – £9,000* & Kitchens: £3,900 – £10,000*
*Excludes materials, kitchen units, appliances, and bathroom suites.
Our renovation packages typically include removal of existing installations, plumbing and electrical upgrades, plastering, installation, tiling, flooring, and all finishing works.
Heating & Boiler installations
Reduce running costs with modern, energy-efficient heating solutions, including:
- New boiler installations
- Combi boiler conversions
- Full heating system upgrades
Enjoy complete peace of mind with up to 10-year warranties on trusted brands such as Vaillant and Glow-worm.
Free Kitchen design service
We offer a free kitchen design service, plus access to competitive trade pricing through leading kitchen suppliers, many offering lifetime cabinet warranties.
Visit our Kitchens page to learn more.


Discover our Services, Locations & Happy Clients
At JW McDonald Building Services, we don’t just complete projects – we create spaces our clients love. Explore the full range of services we offer, see the areas we cover across South & South East London & Kent borders, and read testimonials from our satisfied homeowners and landlords.
Whether you’re planning a single-room upgrade or a full property refurbishment, our multi-trade team ensures a smooth, stress-free process from start to finish
Free quotes. Expert advice. No-obligation consultation.
Let us know your requirements and we’ll send you a quote.
Our Process
Approach
We pride ourselves on providing clear, detailed quotations designed to save you time and money. We cover all areas across London & BR postcodes in Kent, and all estimates & quotations are free of charge.
Design/ Planning
At JW McDonald Building Services, we can help design a bathroom or kitchen perfectly suited to your property. Working alongside the expert design teams at Howdens & Benchmarx Joinery, they will visit your home, take accurate measurements, and email your visual kitchen plans free of charge.
Installation
We deliver high-standard property, kitchen and bathroom refurbishments, supported by a thorough and carefully managed installation process.
Our attention to detail helps us create exceptional finished spaces for every client.
Guarantees
For complete peace of mind, JW McDonald Building Services offers a full 12-month workmanship guarantee on all completed works.
Kitchens supplied through Howdens & Benchmarx benefit from a Lifetime (25-year) manufacturer’s guarantee, and our limited company is fully protected with public liability insurance.









