How Much Do Bathroom Renovations in Greater London Cost?

Bathroom renovation costs in Greater London vary according to size, layout, and the quality of finish you desire. Even compact bathrooms can be costly due to the technical work involved—plumbing, electrical, waterproofing, and various other specialised tasks. In 2025, you can anticipate the average full renovation of a standard bathroom in Greater London to be approximately £8,800, although many projects range between £6,200 and £12,000. Larger or more high-specification bathrooms in premium areas can readily exceed £18,000. These figures typically include most labour and standard materials but may exclude certain high-end fittings or bespoke features.

Several elements can shift the final price upward or downward. A spacious bathroom naturally requires more materials, but the intricacy of the layout is frequently just as significant. For example, if you intend to relocate fixtures or require structural modifications to walls or floors, labour costs increase considerably. Premium tiles, designer taps, or luxury lighting systems can also drive the total higher. The most crucial step is to gather quotations from reputable Greater London contractors, compare itemised breakdowns, and determine which approach best aligns with your budget.

Greater London Bathroom Renovation Considerations

Greater London's diverse housing landscape presents unique challenges and opportunities for bathroom renovations across the region. The capital encompasses everything from historic Georgian townhouses in central areas to Victorian and Edwardian terraces in inner suburbs, interwar semi-detached properties in outer boroughs, and contemporary developments throughout the city.

This diversity means renovation approaches must be tailored to the property type. Period properties, particularly abundant in inner London boroughs, often feature original layouts that require careful modernisation while preserving character features. Many older homes were built before indoor plumbing was standard, meaning bathrooms have been retrofitted into spaces not originally designed for this purpose. Conversion properties, especially common in areas like Hackney, Islington, and Camden, may have unusual configurations requiring bespoke solutions.

Significant price variations exist across Greater London, influencing renovation budgets and approaches. Premium central areas like Westminster, Kensington and Chelsea, and parts of inner southwest London typically command higher contractor rates than outer suburbs, reflecting both the higher property values and the more complex access and parking challenges in densely populated central areas.

Water quality varies across the region, with most of Greater London receiving hard water supplied from the Thames and Lea rivers. This can affect fixture choices and maintenance requirements, with scale-resistant materials offering better longevity. Some homeowners in areas with particularly hard water choose to install water softeners as part of comprehensive bathroom renovations.

Planning considerations add another layer of complexity in many parts of Greater London. The capital contains numerous conservation areas and listed buildings where renovation options may be restricted, even for internal work that affects structural elements or external appearances. Always check local planning regulations before commencing work on period properties.

What Affects the Cost Most?

Numerous factors influence the final bill for a bathroom renovation in Greater London. While every home and every project are unique, there are recurring themes worth noting. These include demolition, carpentry or joinery work, electrical installation, plumbing changes, waterproofing, tiling, and finishing work such as painting or adding fixtures and accessories. Below, you'll find an overview of the most significant cost components in a typical Greater London bathroom renovation.

Demolition

Removing the old bathroom, commonly referred to as the "rip-out," can involve stripping tiles off walls, taking up old flooring, and disconnecting fixtures like the toilet, sink, or bath. If your Greater London property's bathroom was last renovated many years ago, you might have multiple old layers to remove—vinyl flooring on top of tiles, or plasterboard behind old tiles. Disposing of waste also carries a cost, often dependent on skip hire or local disposal fees. Altogether, you might budget £500–£1,400 for removing a typical 5 m² bathroom in Greater London, including rubbish disposal.

Carpentry

Structural or framing alterations can be necessary if you plan to change the layout of the bathroom, add a niche for shelves, or open up walls. Additional carpentry might also be required if floor joists are old or water-damaged and need reinforcement. A modest amount of carpentry might cost £750–£1,500, though major structural work in period properties can push this figure higher.

Electrical Work

Contemporary bathrooms often feature multiple electrical points, such as a shaving socket, lighting for mirrors, overhead lights, extractor fans, and possibly underfloor heating. The more electrical elements you want (for example, ambient LED strips behind mirrors or integrated speakers), the higher the cost. For a standard Greater London bathroom with four to six electrical points, budget £950–£1,900, including labour and materials. All new electrical work must comply with Building Regulations Part P.

Plumbing Work

If you haven't updated your bathroom in many years, you might require new pipework and drainage to meet current standards. Changing the layout so that the sink, shower, or toilet move positions will also increase labour time. In a small Greater London bathroom where layout remains the same, you might pay £1,500–£3,000 for plumbing services. If you are relocating multiple fixtures, expect that figure to climb to £3,800+. All plumbing in bathrooms must comply with relevant Building Regulations, including Part G for water supply and drainage.

Waterproofing

Waterproof membranes (or tanking) protect the structure of your home from moisture damage, especially in the shower area. The cost of waterproofing depends on the products used and how many areas (walls, floors) require protection. For an average Greater London bathroom of around 5 m², dedicated waterproofing might add £500–£1,000 to the total. While not always itemised separately if included in tiling costs, it remains an essential component.

Tiling

Tile choice has a considerable impact on both labour and materials. Large-format tiles often reduce labour time compared to small, detailed mosaic tiles, but the tiles themselves can be more expensive to purchase. Installation costs for a 5 m² floor area plus partial wall coverage in Greater London often run £800–£1,900 for labour, on top of the tile costs. Materials can range from £12 per m² for a bargain option to over £100 per m² for high-end stone or designer ceramics.

Painting

Areas not covered by tiles frequently need painting. Quality paint helps resist moisture. If your bathroom is large or has a high ceiling, painting becomes a more involved task. Typically, painting a small or medium-sized Greater London bathroom might cost £200–£500 in labour and materials (assuming you hire a professional painter).

Fixtures and Accessories

Though not part of the contractor's core labour, items such as taps, shower valves, toilets, basins, or bathroom furniture can vary enormously in price. Simple, budget fixtures can cost under £50 each, while luxury units from premium brands easily exceed £500–£1,000 per piece. A standard set of mid-range fixtures for a 5 m² Greater London bathroom might run from £1,000–£2,000, though you can go lower or higher depending on your choices.

Cost Breakdown: An Example

Below is a hypothetical scenario to illustrate how the costs of a Greater London bathroom renovation might add up in 2025. Let's assume a space of approximately 4 m² in a typical property. Keep in mind that every project is different, and your final numbers could be higher or lower.

Itemised Costs from the Contractor:

• Demolition and Waste Removal: £600
• Carpentry/Joinery Work: £800
• Electrical Installation: £1,150
• Plumbing Work: £2,100
• Waterproofing (Floor and Shower Walls): £600
• Tiling (Floor + Walls Around Shower/Bath): £1,400
• Painting: £350
• Total Contractor Quote: £7,000

Homeowner's Own Purchases:

• Tiles: £230 (assuming around £12/m², plus a little extra for cuts and wastage)
• Taps and Shower Valves: £350
• Shower Screen/Enclosure: £280
• Total for Fixtures and Tiles: £860

Overall Total: £7,860

If you have a larger bathroom—say 6 or 7 m²—you might add £1,000–£2,000 extra for each additional square metre, depending on the level of finish. High-end or bespoke features raise the budget further.

Cost-Saving Tips

A bathroom renovation in Greater London can be expensive, and many homeowners look for ways to reduce the total outlay. Although you have limited influence over costs for specialist trades such as electrical and plumbing, there are still measures you can take to bring prices down:

Choose More Affordable Tiles

Ceramic or porcelain tiles can sometimes be found on sale at Greater London suppliers for £12–£25 per m², whereas designer or natural stone products can be well over £100 per m². If you like the look of high-end finishes but have a tight budget, you might combine a premium feature tile for one accent wall with a more cost-effective tile elsewhere.

Opt for Cheaper Fixtures

Taps, shower systems, and basins vary greatly in price. A basic tap can cost £35–£60, while a designer tap can run £300–£500. Mid-range fittings often balance quality and affordability.

Consider Wall Panels

For the shower area or other wet zones, PVC or laminate wall panels can replace tiles. They are typically quicker and cheaper to install, though they come in various quality grades. Many are now designed to resemble tiles, stone, or other attractive finishes and are readily available from home improvement stores throughout Greater London.

DIY Demolition

If you have the skills, time, and proper protective equipment, you might remove old fixtures and tiles yourself. This can save a few hundred pounds on labour. However, ensure you know what you are doing—particularly with any electrical or plumbing disconnections—to avoid costly mistakes.

Stick to the Same Layout

Altering where the toilet, shower, or sink is placed generally increases plumbing and possibly structural expenses. If your existing bathroom layout is functional, keeping it the same can save you a fair amount.

Regardless of which cost-saving methods you choose, it's important to set a realistic budget that accounts for both known and unforeseen expenses. Planning to stay 10–20% below your maximum financial limit gives you room to handle unexpected discoveries, such as hidden water damage or inadequate joists, which are not uncommon in older Greater London properties.

Another avenue for lowering your overall spend is to find competitive quotes from trustworthy Greater London contractors who hold proper accreditations. Make sure to gather multiple bids. In most cases, collecting at least three quotes allows you to compare not just price but also proposed timelines, project management structure, and the reputation or track record of each firm.

Find a Contractor in Greater London

Working with the right professionals can streamline your renovation and keep costs in check. When searching for Greater London contractors, it pays to do a solid background check, ensuring they have solid references, stable finances, and suitable capacity to begin your project in a timely manner. When a contractor's finances are in good health, you reduce the risk of them going out of business partway through the job. Similarly, customer feedback can indicate how smoothly their past projects have run.

Certifications

Look for certifications from recognised bodies such as:

• NICEIC or NAPIT for electrical work
• WaterSafe for plumbing installations
• Gas Safe for any gas-related work (legally required)
• FMB for general building work
• TrustMark for overall trade quality.

These accreditations demonstrate commitment to industry standards and provide protection if issues arise. Additional relevant certifications include CIPHE membership for plumbing excellence, FENSA for windows and TTA for specialist tiling work.

Competent Person Schemes

Also, be on the lookout for competent person schemes. Building work involving electrical, heating, plumbing, or window installations can be certified by registered professionals through Competent Person Schemes, for example NICEIC and NAPIT for electrical work), allowing them to self-certify compliance without requiring separate building control inspections. This means you do not need to get approval yourself if you use someone registered with a scheme.

You can find all current schemes on the government website.

Building Regulations for Bathrooms

Keep in mind that bathrooms in Greater London and across the UK must adhere to relevant building regulations for drainage, ventilation, electrical safety, and more. A professional installer can guide you through these requirements, but it's worth familiarising yourself with some of the basics of the Building Regulations.

Electrical Work: All electrical installations must meet Part P of the Building Regulations and be carried out by a registered electrician. DIY electrical work in bathrooms is strongly discouraged. Electrical Safety First recommend that you use an approved electrician to carry out any electrical installation work that you need.

Ventilation: Bathrooms require adequate ventilation to prevent damp (Part F of the Building Regulations). This typically means installing an extractor fan.

Waterproofing: Proper waterproofing is needed to protect the structure from water damage. Approved Document C (which deals with moisture) notes that water spills and leaks in areas with sanitary fittings (like bathrooms) can cause deterioration of floors and structural elements. Waterproofing can be done by "tanking" around wet zones such as showers, baths, and wet rooms.

Adhering to these regulations not only ensures safety but also protects the longevity of your renovation. Failure to comply could result in expensive corrective work and reduced resale value.

Contract and Finishing

When it comes time to formalise the contract with your Greater London bathroom specialist, decide whether you want a single main contractor or a split contract (hiring separate trades for plumbing, electrics, tiling, etc.). Hiring one main contractor simplifies communications because there is a single point of contact. You'll usually pay a markup for this coordination, but it may be worthwhile if you lack time or experience. A split contract could save money in theory, but you would shoulder the burden of scheduling and ensuring each trade finishes on time for the next stage.

As a final note, ensure all the appropriate regulatory notifications are made and documents obtained. Any time you use a Competent Person (electrician, Gas Safe, etc.), they should notify building control and give you a certificate.

A Good Investment in Greater London?

Many Greater London homeowners wonder if renovating a bathroom is financially worthwhile. A well-executed bathroom upgrade can indeed boost a property's value, but the exact increase depends on local market conditions and the quality of the renovation.

Buyers in Greater London's competitive property market often place a premium on a modern, leak-free bathroom with aesthetically pleasing fixtures and finishes. Conversely, a poorly done renovation can be off-putting or even reduce a home's perceived value if potential buyers believe they must redo the work.

Much depends on your choice of materials and overall style. A neutral, timeless approach tends to have broad appeal in Greater London's diverse property market, whereas highly personalised or bold design choices might limit the pool of prospective buyers if you plan to sell soon.

At the same time, effective project management and a competitive quote from accredited Greater London contractors can minimise your initial outlay, making a return on investment more likely.

For older bathrooms in period properties—particularly those that haven't been updated for decades—a renovation can make the house far more appealing. If the budget allows, you could also consider small design tweaks that add functionality: a recessed shelf in the shower area, better ventilation to reduce mould, or improved task lighting around mirrors.

Renovating the Bathroom in Greater London

Renovating a bathroom in Greater London may be a complex and sometimes costly undertaking, but with the right planning, realistic budgeting, and a trustworthy contractor, you can transform one of your home's most important spaces. Begin by clarifying what you want to achieve—are you simply updating dated tiles and fixtures, or completely reconfiguring the layout? Then research your preferred materials, from tiles to taps, balancing your aesthetic goals with your financial constraints.

Compile a list of must-haves and nice-to-haves. The must-haves might include a new power shower or a wall-hung toilet for easier cleaning. Nice-to-haves could be a statement bathtub or underfloor heating, which is becoming increasingly popular in Greater London homes. Once you have a clear vision, you can request quotes from a handful of reputable Greater London bathroom specialists who are members of recognised trade associations, presenting them with the same brief so you can compare costs like for like.

Financing

If you want to ensure that your Greater London renovation remains financially viable, consider how you might fund it. Some homeowners use savings, while others take out personal loans, home improvement loans, or remortgage to free up funds. Whichever route you choose, creating a detailed cost breakdown and timeline will help you maintain control over the process. Check in regularly with your contractor—particularly if an unforeseen complication arises, like hidden damp or rotting timbers. By staying informed and making decisions quickly, you reduce the risk of delays that could inflate the final bill.

A bathroom makeover represents both a practical investment and an opportunity to enhance your daily routine. Whether you opt for simple, budget-friendly finishes or upscale, luxurious fixtures, a freshly renovated bathroom tends to deliver comfort and satisfaction for many years to come. And if you do sell your Greater London home, a thoughtfully designed bathroom can leave a strong, positive impression on prospective buyers, supporting a healthy resale value in the capital's competitive property market.