You've found a tradesperson.
They've visited the property.
You've discussed the work.
And now the quotation has arrived.
The price seems reasonable.
They're available when you need them.
Everything looks promising.
So do you just reply:
“Yes, let's go ahead”?
Maybe.
But before committing to potentially hundreds, thousands or even tens of thousands of pounds of work, there are a few things worth checking.
This isn't about treating every tradesperson with suspicion.
Most legitimate businesses want exactly the same thing you do: a straightforward job where everybody understands what has been agreed.
A few sensible checks at the beginning can help make that much more likely.
1. Make Sure You Know Who You're Actually Hiring
Start with the basics.
What is the business called?
Who will you be dealing with?
What contact details do you have?
Does the information you've been given match the business you've researched?
This becomes particularly important if you've found somebody through social media, a recommendation or an online platform where usernames and trading names may differ.
If you're contracting with a limited company, you can search the company through Companies House.
But remember that not every legitimate tradesperson operates through a limited company. Sole traders are common across the industry.
The absence of a Companies House listing therefore doesn't automatically mean anything is wrong.
The objective is simply to understand who you're entering into an agreement with.
2. Read the Quote Properly
Don't jump straight to the number at the bottom.
Read what the tradesperson has actually priced.
A quote might say:
“Bathroom renovation — £6,500.”
Another might break down the proposed work much more clearly.
Those two documents give you very different levels of certainty.
Look for information about:
Labour.
Materials.
Preparation.
Removal of existing materials.
Waste disposal.
Finishing.
Fixtures or products.
Any work being completed by other trades.
And anything specifically excluded.
You don't necessarily need every screw individually itemised.
You do need enough information to understand what the price relates to.
3. Check What's Not Included
This can be just as important as what is included.
Suppose a quotation for decorating doesn't include repairing damaged plaster.
Or a flooring quotation assumes the existing subfloor is suitable.
Perhaps a bathroom quote excludes decorating.
Maybe waste removal is your responsibility.
None of those things are automatically unreasonable.
Problems arise when one side assumes they're included and the other assumes they aren't.
If you're unsure, ask:
“Is there anything you would normally expect me to arrange separately?”
That one question can reveal a lot.
4. Make Sure You're Comparing Like With Like
You've received three quotations:
£4,800.
£5,600.
£6,400.
The £4,800 quote is obviously cheapest.
But is it?
Perhaps one includes materials and another doesn't.
One includes scaffolding.
One includes waste removal.
One specifies a higher-grade product.
One includes making good afterwards.
One business may have identified additional preparation that another hasn't allowed for.
Comparing only the final numbers can therefore be misleading.
Before choosing, compare the scope behind the price.
5. Look at Relevant Previous Work
A tradesperson might produce excellent work.
But is it the type of work you need?
If you're planning a substantial period-property renovation, photographs of ten new-build bathrooms don't necessarily tell you how somebody approaches older buildings.
If you need specialist roofing work, general handyman photographs provide limited evidence.
Look for projects relevant to:
The service.
The scale.
The property type.
The finish you're expecting.
And, where applicable, the particular materials or systems involved.
A portfolio isn't simply there to look impressive.
It helps you judge whether the business regularly handles work similar to yours.
6. Look at Reviews — But Don't Just Count the Stars
A 4.9 rating looks reassuring.
But read some of the reviews.
What do customers actually mention?
Communication?
Reliability?
Cleanliness?
Quality?
Problem solving?
Finishing?
Value?
Returning to resolve issues?
Look at the overall pattern rather than obsessing over one comment.
No established business working with large numbers of customers is guaranteed to have a flawless online record forever.
How a business responds to criticism can sometimes be just as revealing as the criticism itself.
Also be cautious about relying entirely on reviews from a single source.
Reviews are one trust signal, not the entire investigation.
7. Check Relevant Qualifications or Registrations Where Necessary
Not every trade requires the same qualifications, registrations or certifications.
And not every job within a trade has identical requirements.
That's why a generic rule such as:
“Never hire anybody unless they're on X register”
can be misleading.
Instead, establish what is relevant to the work you're having done.
For example, gas work within the scope of gas-safety requirements should be carried out by an appropriately registered engineer. You can check engineers through the Gas Safe Register.
For electrical work, the requirements depend on the nature and location of the work and which UK nation you're in.
For specialist or regulated work, verify credentials through the relevant official scheme or register rather than relying solely on a logo displayed on a van or website.
8. Ask Who Will Actually Be Doing the Work
The person who visits to quote isn't necessarily the person who will be there every day.
That's not inherently a problem.
Many businesses have employees, subcontractors, apprentices and specialist trades they regularly work with.
But for a significant project, it's reasonable to understand how the job will operate.
You might ask:
Who will be my main point of contact?
Will you personally be carrying out the work?
Will other trades be involved?
Who coordinates them?
Who should I speak to if something changes?
You aren't trying to dictate how somebody runs their workforce.
You're establishing how communication and responsibility will work.
9. Understand the Payment Schedule
Don't wait until work starts to discover when money is expected.
Establish:
Whether a deposit is required.
What the deposit covers.
When subsequent payments become due.
Whether payments are linked to project stages.
When the final balance is expected.
How variations or additional work will be charged.
For substantial projects, staged payments can provide useful structure for both sides.
And as we've covered previously, a request for a deposit isn't automatically suspicious. Materials, bespoke products and diary commitments can all create legitimate upfront costs.
What matters is understanding what you're paying, when and why.
10. Ask About the Expected Timescale
There are two different questions here:
When can you start?
and
How long should the job take?
Don't confuse them.
A tradesperson may be able to start in four weeks, with the project then expected to take two weeks.
For larger jobs, exact completion dates aren't always possible because unforeseen work, weather, deliveries and coordination with other trades can affect the programme.
But you should still have a reasonable understanding of the expected schedule.
Also ask whether the tradesperson expects to remain on your project continuously or whether the work naturally involves gaps between stages.
11. Understand What Happens If the Job Changes
This is particularly important during renovation work.
A wall is opened.
Flooring comes up.
An old installation is exposed.
Something nobody could reasonably see during the original quotation suddenly becomes apparent.
What happens then?
The sensible approach is usually to stop, explain the issue and agree how additional work will be handled before proceeding where circumstances allow.
You don't want to reach the end of the project and discover a substantial bill for extras you didn't realise were accumulating.
Likewise, don't assume every unexpected problem should automatically be fixed within the original price.
The original quote can only reasonably reflect the scope and assumptions on which it was based.
12. Make Sure Important Agreements Are Written Down
You don't need a 40-page legal contract for every small repair.
But the larger and more complicated the project becomes, the more useful written records become.
Keep:
The quotation.
Accepted scope.
Product specifications.
Payment arrangements.
Relevant messages.
Agreed changes.
Receipts.
Invoices.
Certificates.
Guarantee or warranty information.
If something important changes during the project, confirm it in writing.
A quick message saying:
“Just confirming we've agreed to replace the additional damaged section for £350 before continuing.”
can prevent two people remembering the same conversation very differently three weeks later.
What About Insurance?
Depending on the type of work and business, different forms of insurance may be relevant.
For example, public liability insurance is commonly carried by trade businesses and can provide protection in circumstances covered by the policy if business activities cause injury or property damage.
Businesses employing people may also have legal obligations concerning employers' liability insurance, subject to applicable exemptions.
Other forms of cover may be appropriate depending on the work.
For larger or higher-risk projects, asking a contractor about relevant insurance is perfectly reasonable.
But don't simply ask:
“Are you insured?”
and treat “yes” as the end of the check.
Where insurance is particularly important to your project, understand what type of cover you're asking about.
Don't Let Availability Make the Entire Decision
You've contacted six businesses.
Four haven't replied.
One can't start for three months.
One can start Monday.
It's tempting to immediately choose the person available Monday.
They may be an excellent choice.
But availability by itself tells you very little about quality.
Tradespeople have gaps for all sorts of reasons:
A project finished early.
A customer postponed.
Weather changed the schedule.
They've recently expanded.
They deliberately maintain diary flexibility.
Equally, somebody being booked for months isn't proof that they're brilliant.
Treat availability as one factor, not a quality rating.
Don't Let a Long Waiting List Make the Entire Decision Either
The reverse assumption can be just as misleading:
“They're booked for four months, so they must be the best.”
Maybe they're excellent.
Maybe they only work three days a week.
Maybe they're completing one enormous project.
Maybe their business simply has limited capacity.
Waiting time isn't a reliable substitute for checking the business and its work.
Be Careful With Pressure to Decide Immediately
There can be genuine reasons why a quotation can't remain open indefinitely.
Material prices change.
Supplier offers expire.
Diary availability changes.
Bespoke products have ordering deadlines.
But there's a difference between a legitimate commercial deadline and aggressive pressure.
Be cautious if you're being pushed into making a significant payment before you've had reasonable opportunity to understand what you're agreeing to.
A professional should generally be able to explain why a deadline exists.
Ask Questions Before Accepting — Not Halfway Through
Homeowners sometimes avoid asking questions because they don't want to appear difficult.
Then they spend the first week of the project worrying about things they could have clarified beforehand.
Reasonable questions aren't a problem.
Ask about:
Scope.
Materials.
Timescale.
Payment.
Access.
Who supplies what.
Waste.
Finishing.
Certificates.
Anything else genuinely important to you.
A tradesperson would usually rather discover your expectations before starting than after completing the work.
Pay Attention to Communication
You can't know exactly how a project will go before it begins.
But the quotation process gives you clues.
Did they listen to what you wanted?
Did they explain things clearly?
Did they turn up when agreed — or communicate when plans changed?
Did they answer reasonable questions?
Does the written quotation resemble what you discussed?
Do you understand what happens next?
Communication doesn't prove technical competence.
But on a project lasting days, weeks or months, it matters.
The Cheapest Quote Can Be the Right Quote
There is nothing wrong with choosing the cheapest option.
Sometimes the lowest-priced tradesperson has:
Lower overheads.
Better supplier pricing.
A more efficient way of working.
Availability nearby.
Or simply priced the job competitively.
Likewise, the most expensive quote isn't automatically the best.
The mistake is assuming price alone tells you which business is right.
It doesn't.
Your decision should consider the complete picture.
And Don't Expect Zero Risk
You can check qualifications.
Read reviews.
Look at projects.
Get a written quote.
Verify the business.
Agree payment stages.
Ask every sensible question.
And something can still go wrong.
Construction and repair work often involves existing buildings, hidden conditions, products, weather, people and numerous variables.
Due diligence doesn't eliminate every possible problem.
It reduces avoidable uncertainty and gives both sides a clearer foundation if something unexpected happens.
Before You Say Yes, Make Sure You Can Answer Five Questions
Before accepting the quote, you should ideally understand:
Who am I hiring?
Exactly what are they doing?
How much am I paying and when?
Roughly when will the work happen?
What happens if something changes?
If you can't confidently answer those questions, don't necessarily reject the tradesperson.
Ask them.
The purpose of checking isn't to find a reason to say no.
It's to make sure that when you eventually say yes, both sides understand what that yes actually means.
The best time to clear up uncertainty isn't when the job has gone wrong — it's before the first tool comes out of the van.