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Kitchen renovation mistakes to avoid

You’ve seen a few quotes and you know roughly what you want, and it’s still very easy to get this wrong. These are the mistakes that cost homeowners the most money and the most stress, in roughly the order they happen. Each one has a quick fix.

1. Starting without a written scope

A project that begins as a feeling — “brighter, new units, better flow” — ends with quotes you can’t compare and a builder guessing at the edges. Before anyone prices it, write down what’s changing and what’s staying put: layout, cabinets, appliances, worktop, plumbing, electrics, decoration. One page is enough.

The fix is to pin the scope in writing and quote against it. This is the order of work for the whole job.

2. Budgeting the install, not the whole job

The number on the quote is the middle of the project, not the whole thing. Appliances, waste removal, decoration, the weeks you’ll be eating out while the kitchen is gone, and a margin for what turns out to be behind the walls are all real costs, and all easy to leave out.

Budget the whole job and hold back 10–15% for the unknown. Here’s the cost broken down line by line.

3. Comparing quotes on the headline price

Two quotes can carry the same total and completely different scope underneath. One includes the worktop and the other charges it extra; one itemises every line and one is a single lump. Comparing the big number at the top is how the “cheaper” quote quietly costs more.

Line the quotes up and compare item by item, then decide on the whole package. This is the method.

4. Skipping the hard questions

The questions that protect you — what’s included, who runs the job, how changes get priced, what the deposit is, what the warranty covers — are easy to skip in the moment and regret afterwards. If the answers are vague or written down nowhere, the price that follows isn’t reliable.

Ask them before you sign and get the answers in writing. Here’s the full list.

5. Paying a big deposit before it’s in a contract

A large deposit before the scope, the full price and the payment schedule are in a written contract is how “it’ll all be fine” becomes a very expensive argument. It’s also much harder to chase without a paper trail, and you can’t verify insurance after the money has moved.

Agree the full price, scope and payment schedule in a written contract you keep, and confirm the insurance before any money moves.

6. Letting the decisions live only in your head

Half the friction in a mid-project kitchen is “I thought you said…” — a finish changed on a phone call, an extra socket that wasn’t priced, a delay that quietly became a new start date. If it isn’t written down, it didn’t happen.

Keep a running log of every decision, every change order and who agreed it. That single sheet is what keeps a mid-project kitchen from turning into a dispute.

7. Losing sight of the budget as it runs

Budgets usually break in the middle, not at the end. A change here, an upgrade there, and the gap between what you planned and what you’re actually spending keeps growing because nobody’s watching it. The deliveries and the payments are where the money actually goes, and they’re easy to stop tracking.

Track budget against actual as you go, and keep a running record of the deliveries and the payments so you always know where things stand.

Related: What to look for in a kitchen renovation quote · How to budget a kitchen project · How to compare kitchen renovation quotes · Questions to ask a kitchen contractor · Kitchen renovation checklist