Getting at least three quotes before hiring a tradesperson is the standard, widely accepted practice across the UK home improvement sector. Three quotes give you enough data to gauge a fair market rate, spot outliers and compare what each firm is actually offering before you spend a penny.
Why Three Quotes Is the Benchmark
The "rule of three" exists because a single quote gives you nothing to compare it against. Two quotes are better, but one can still skew your judgement. With three, a pattern emerges: if two firms price a job similarly and a third comes in dramatically lower, that gap is a warning sign rather than a windfall. It likely means the cheaper firm has missed part of the scope, is planning to use inferior materials, or intends to add costs once work has started.
Three quotes also serve a second purpose: they give you three chances to assess the tradesperson themselves. How quickly did they respond? Did they ask sensible questions about the job? Were they willing to put the quote in writing? These signals matter just as much as the figure on the page.
For larger or more complex projects, such as a full bathroom renovation, a new driveway or a garden landscaping scheme, getting a fourth or fifth quote is entirely reasonable and will cost you nothing extra in time proportional to the value at stake.
Quote vs Estimate: Know the Difference
Before you start collecting figures, it helps to understand what you are actually asking for.
- A quote is a fixed-price commitment. Once you accept it, the tradesperson is bound to carry out the described work at the stated price (subject to any agreed variations).
- An estimate is an informed but non-binding calculation. The final bill can differ, sometimes significantly, if the work turns out to be more involved than first assessed.
Always ask for a written quote rather than a verbal one, and make sure it is broken down to show labour, materials and VAT separately. A firm that is reluctant to commit anything to writing is one to approach with caution. Your rights in the event of a dispute are also stronger under the Consumer Rights Act 2015 when there is a written record of what was agreed.
How to Make Your Quotes Comparable
Three quotes are only useful if they cover exactly the same job. If each tradesperson quotes for a slightly different scope of work, comparing them is meaningless. Before anyone visits the property, prepare a clear written brief that covers:
- Precisely what you want done, including dimensions where relevant
- The materials you expect to be used, or whether you want options costed separately
- Whether you are supplying any materials yourself
- The access available and any restrictions (parking, site hours, whether the property is occupied)
- The finish standard you expect and any specific products or brands
- Who is responsible for clearing waste from site
Hand the same brief to every firm. If one tradesperson comes back with questions the others did not think to ask, that is often a good sign, not an inconvenience.
When Fewer Quotes May Be Acceptable
There are situations where collecting three full quotes is not always practical.
For very small, low-value jobs, such as fitting a single door handle, bleeding a radiator or patching a small area of render, the time spent arranging three separate site visits may outweigh the benefit. One or two quotes from firms you already trust, or that carry strong recent reviews, is often sufficient.
Emergency work, such as a burst pipe or a failed boiler, does not allow the luxury of comparison shopping. In those circumstances, focus on confirming the firm is insured and that any call-out or diagnostic fee is agreed in advance rather than assumed.
For regulated work, however, the number of quotes is secondary to the qualifications of whoever does the work. Gas Safe Register engineers must carry out any work on gas appliances. NICEIC or NAPIT registration covers most domestic electrical work that falls under Part P of the Building Regulations. The HSE sets requirements around working at height, so any firm sending workers onto a roof or scaffold should be able to confirm their safe working procedures. Verify these credentials regardless of how many quotes you collect.
Comparing Quotes: A Practical Checklist
Once your quotes are in, use the following checklist before you decide:
- Is the scope identical? Check that every quote covers the same list of tasks and materials. If not, ask the firms to revise.
- Is VAT included or excluded? A firm that is not VAT-registered is not automatically less legitimate, but you need to know whether the figure shown is the final figure.
- What is and is not included? Waste removal, making good, protecting flooring and repainting disturbed areas are common omissions that add up.
- Is there a payment schedule? Staged payments tied to completion milestones are standard on larger jobs. A demand for the full amount upfront is a red flag.
- Does the firm carry public liability insurance? Ask for evidence. A reputable tradesperson will have no objection to providing it.
- Are there recent, verifiable reviews? Look for reviews that name the type of work done, not just a star rating.
The lowest quote is not automatically the best choice, nor is the highest a guarantee of quality. The right quote is the one that covers everything you need at a price that reflects the realistic market rate for your area, from a firm you have reason to trust.
Finding Firms to Quote
For most people, the hardest part is not comparing quotes but finding enough credible firms to ask in the first place. Recommendation from a neighbour who has recently had the same type of work done is still one of the most reliable starting points. Beyond personal networks, you can browse local trade services on GetBrent to find firms operating in your area across a wide range of disciplines, from general building and landscaping through to specialist cleaning and clearance firms. If you are based in or around the capital, the London trade services listings let you filter by location and contact firms directly for a quote without any intermediary. For more specific areas, the Bromley trade services listings are a useful starting point for south-east London and the surrounding area.
GetBrent makes it straightforward to find and compare local trades firms, handymen, cleaners and landscapers near you. Browse the listings, read firm profiles and contact them directly to request a quote on your terms. You can start your search at GetBrent trade services.
