Plumbing & Heating Services in London

Structured, compliant plumbing for residential, refurbishment and retrofit projects across London.
Bigness Group provides professional plumbing and heating services across London, supporting homeowners, landlords and developers with planned installations, system upgrades, diagnostics and coordinated plumbing works. Our approach is project-led and compliance-focused, delivering plumbing as part of the wider building lifecycle — not reactive call-outs or short-term fixes.
We work across refurbishment, retrofit and maintenance programmes, ensuring plumbing systems are designed, installed and upgraded with long-term performance, safety and integration in mind.
Residential Plumbing Services in London
Our residential plumbing services are delivered as structured works, aligned with property upgrades and improvement projects.
- Domestic hot and cold water systems
- Pipework installation, replacement and reconfiguration
- Bathroom and kitchen plumbing (project-based delivery)
- Leak diagnostics and remedial plumbing works
- Water pressure optimisation and flow balancing
- Upgrades to existing plumbing layouts
All works are planned, documented and executed with clarity on scope, sequencing and outcomes.
Plumbing for Refurbishment & Development Projects
Bigness specialises in plumbing works delivered as part of refurbishment and development programmes, where coordination and sequencing are critical.
- First fix and second fix plumbing
- Plumbing for extensions, layout changes and internal reconfiguration
- Coordination with heating, electrical and building works
- New water supply routes and system zoning
- Integration with refurbishment schedules and site programmes
This approach ensures plumbing supports the overall build strategy, avoiding conflicts, delays and rework.
Specialist & Compliance-Focused Plumbing
Our plumbing services are delivered with a strong focus on diagnostics, standards and long-term system performance.
- Plumbing system assessments and condition reporting
- Compliance with UK Building Regulations and standards
- Water efficiency improvements and system optimisation
- Plumbing upgrades aligned with retrofit strategies
- Planning for future access, maintenance and adaptability
We prioritise transparency, documentation and accountability at every stage.
Responsible House™ Plumbing Principles
Our plumbing services align with the Bigness Responsible House™ Framework, ensuring systems are designed for durability, efficiency and responsible resource use.
- Efficient water distribution and reduced waste
- Future-ready plumbing layouts for upgrades and maintenance
- Integration with energy, heating and building systems
- Long-term performance over short-term fixes
Plumbing is treated as a core infrastructure system, not an isolated trade.
Bigness Group has consolidated multiple legacy engineering and plumbing platforms into a single structured plumbing division, delivering compliant, project-led plumbing services across London.
Why Choose Bigness for Plumbing in London?
- Structured, project-led plumbing delivery
- Clear scope, sequencing and documentation
- Experience across complex refurbishment environments
- Integrated approach with building, retrofit and maintenance services
- Trusted by homeowners and developers across London
We operate with the mindset of a contractor and operator, not a call-out service.
Frequently Asked Questions
What type of plumbing projects does Bigness undertake?
We deliver planned plumbing works for residential properties, refurbishments, extensions and development projects across London.
Do you provide plumbing as part of refurbishment projects?
Yes. Plumbing is frequently delivered as part of wider refurbishment and retrofit programmes, fully coordinated with other trades.
Is your plumbing work compliant with building regulations?
All plumbing works are carried out in line with UK Building Regulations and relevant standards, with documentation where required.
Can plumbing works be phased within a larger project?
Yes. Plumbing works can be phased and sequenced to align with the overall project programme and site conditions.
Recent Plumbing & Integrated Projects in London
Our recent projects demonstrate plumbing delivered as part of coordinated building and refurbishment works, supporting system performance, efficiency and long-term reliability.
Plumbing Services in London by Borough
At Bigness, we deliver specialist property retrofitting services across London. From energy efficiency upgrades to sustainable building improvements, our team helps homeowners and businesses modernise properties for the future. Explore the boroughs below to find retrofitting services near you.
Barking and Dagenham / Barnet / Bexley / Brent / Bromley / Camden / Croydon / Ealing / Enfield / Greenwich / Hackney / Hammersmith and Fulham / Haringey / Harrow / Havering / Hillingdon / Hounslow / Islington / Kensington and Chelsea / Kingston upon Thames / Lambeth / Lewisham / Merton / Newham / Redbridge / Richmond upon Thames / Southwark / Sutton / Tower Hamlets / Waltham Forest / Wandsworth / Westminster / London







