When it comes to plumbing in a London home, there's no room for error. Whether you're fitting a brand-new system in a new build or replacing old pipework in a Victorian terrace, precision, compliance, and experience matter. That’s where Citywide Plumbers come in. With a team of qualified, insured, and experienced engineers, we handle every aspect of residential plumbing installation with care and professionalism.
This guide outlines how we approach a full plumbing installation—from initial plans to the final fitting.
1. Site Assessment & Planning
Before lifting a single spanner, our team visits your property to assess its structure, water supply, and waste routes. We evaluate pressure levels, mains access, and the current system if applicable. Our experts then create a detailed plumbing layout plan, identifying pipe routes, isolation valves, fixture positions, and drainage flow—all in line with UK Water Regulations and Building Regulations Parts G & H.
Every home is different. That’s why planning is customised, whether your home is a modern flat in Canary Wharf or a listed property in Hampstead.
2. Selecting the Right Pipes and Fixtures
Choosing high-quality materials is essential to avoid corrosion, limescale, and leakage. At Citywide Plumbers, we only use WRAS-approved piping and durable materials like copper, PEX, or multi-layer composite systems depending on property type and budget.
We also help you choose fittings and fixtures that match your household’s water pressure and aesthetic style—from low-flow taps and shower heads to elegant ceramic basins and energy-efficient toilets.
3. First Fix Plumbing
First fix refers to the stage before walls and floors are sealed. This includes:
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Laying pipework for hot and cold water
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Connecting to the main water supply
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Installing waste pipes and soil stacks
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Positioning pipes for sinks, baths, toilets, and appliances
Our plumbers cut channels, drill holes, and insulate pipework to avoid future complications such as frozen pipes or noise transmission. We always ensure pipe gradients are correct for effective drainage.
4. Second Fix Plumbing
Once walls, floors, and tiles are in place, we return for the second fix. This includes:
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Fitting taps, toilets, sinks, showers, and baths
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Installing kitchen and utility plumbing
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Connecting dishwashers and washing machines
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Sealing joints and checking for visible leaks
Every fixture is tested for stability, function, and water-tightness. We also install isolation valves where required for easy maintenance.
5. Ventilation and Waste Management
Modern homes require well-vented plumbing systems to avoid backflow, odours, and airlocks. We fit air admittance valves (AAVs), traps, and ensure correct venting of soil pipes to maintain hygiene and proper water flow.
Our waste systems comply fully with environmental and water authority standards, avoiding any risk of contamination or local authority fines.
6. Testing & Compliance Certification
All plumbing work by Citywide Plumbers is pressure tested and inspected upon completion. We check flow rates, drainage speed, seal tightness, and water heater performance. For homeowners planning extensions or loft conversions, we ensure everything is Building Regulation compliant and can supply certification where needed.
7. Customer Support and Aftercare
Once installation is complete, our team walks you through your system—where the stopcock is, how to isolate appliances, and how to perform basic checks. We also offer ongoing maintenance packages and emergency services should anything arise in the future.
Our commitment to transparency means no surprise charges, no rushed work, and no compromises on quality.
Why Citywide Plumbers?
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Gas Safe & WRAS-compliant engineers
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Decades of experience in London homes
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Transparent quotes, no hidden fees
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High-quality parts with manufacturer warranties
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Prompt service and tidy workspaces
Book a Residential Plumbing Installation in London
If you’re upgrading your bathroom, building a new extension, or replacing ageing pipework, Citywide Plumbers has the tools, training, and trust to deliver top-tier results. We serve homes across all London boroughs with professionalism and pride.
Call us today on 02038928545
Email: info@citywideplumbers.co.uk