Problems & fixes · Kitchens and bathrooms
Common problems in kitchen remodels and how to head them off
Last updated 25 October 2026 · 3 sources listed · Reading time about 3 minutes
Short answer
Kitchen projects most often go wrong through walls and floors that are out of square, cabinets ordered from inaccurate measurements, appliance specifications that do not fit the planned cut-outs, underestimated services work and unclear sequence between trades. Most are avoidable with a detailed site survey, confirmed appliance models before cabinets are made, and a written order of work.
Who this is for: A homeowner about to commit to a kitchen refit who wants to know where these projects typically go wrong.
What to evaluate
Accurate survey
Older rooms are rarely square or level, so measurements taken casually produce gaps, filler panels and tight fits.
How to check: Ask who measures, whether they check levels and plumb, and whether drawings are signed off by you before ordering.
Appliance fit
Cut-out sizes, ventilation gaps and door swings differ between models. A late appliance change can mean modifying finished cabinets.
How to check: Select appliances first and give the fitter the manufacturer's installation drawings.
Services capacity
Modern kitchens add electrical load and water points. Existing circuits, gas supplies or drains may not suit the layout.
How to check: Have a qualified electrician and plumber assess capacity before layouts are fixed, and confirm regulated work is done by registered people.
Extraction and ventilation
A hood that is too weak or poorly ducted leaves grease and moisture, and ducting routes can conflict with joists or walls.
How to check: Confirm the duct route, termination point and whether the hood suits the hob type and room size.
Sequence of trades
Flooring, wall finishing, worktop templating and plumbing each depend on the work before them.
How to check: Ask for a written order of work, including when the worktop is templated and when the final connections happen.
Lead times and storage
Delivery of cabinetry and stone may arrive before the room is ready, leaving packages blocking space or at risk of damage.
How to check: Agree delivery dates, who inspects goods on arrival and where they will be stored.
Defect handling
Doors that misalign and finishes that mark are normal to adjust at handover, but need a clear process.
How to check: Ask how snagging is recorded and the timeframe for remedial visits.
Comparison
| Problem | Typical cause | Countermeasure |
|---|---|---|
| Gaps and awkward filler panels | Out-of-square walls and rough measurement | Detailed survey and scribed fitting allowances |
| Appliance will not fit | Model changed after cabinets were ordered | Fix appliance models before manufacturing |
| Circuits trip or lack sockets | Existing supply not assessed for the layout | Electrical assessment before the plan is final |
| Grease and condensation persist | Under-specified or poorly ducted extraction | Confirm duct route and airflow suitability |
| Weeks of idle site | Wrong trade order or late deliveries | Written sequence and a delivery schedule |
Decision worksheet
Rate up to three options against this guide’s own criteria. It runs in your browser and saves only on this device. It is a thinking aid, not a recommendation.
1. Have you checked each criterion?
0 of 7 criteria checked.
2. Compare options (0 = fails or unknown, 3 = meets it well)
| Criterion | |||
|---|---|---|---|
| Accurate survey | |||
| Appliance fit | |||
| Services capacity | |||
| Extraction and ventilation | |||
| Sequence of trades | |||
| Lead times and storage | |||
| Defect handling | |||
| Total (max 21) | 0 | 0 | 0 |
Questions to ask before you commit
- Who carries out the survey and do you check floor levels and wall squareness?
- Will I approve drawings that show every appliance with its model before ordering?
- Has the electrical supply been checked for the proposed loads?
- Where will extraction duct and outlet go, and is the route clear of structure?
- What is the planned sequence from demolition to final connection?
- When will the worktop be templated, and how long before fitting?
- Who inspects deliveries for damage and where are they stored?
- How are defects recorded and corrected after handover?
Typical trade-offs
Bespoke joinery versus factory cabinets
- Upside
- Bespoke work adapts to awkward rooms and can use space fully.
- Downside
- It involves longer lead times and relies on the maker's measurement.
Relocating services for an ideal layout versus keeping them in place
- Upside
- Relocation unlocks better workflow and storage.
- Downside
- It adds disruption, regulated work and the chance of hidden surprises.
Living without a kitchen briefly versus phasing the work
- Upside
- A single fast phase reduces total disruption.
- Downside
- Phasing eases daily life but extends the project and may cause rework.
Common mistakes
- Ordering cabinets before appliances are chosen; instead, select appliances first and supply their installation sheets.
- Trusting the supplier's quick measure; instead, require a detailed survey signed by both parties.
- Leaving extraction until last; instead, plan duct routing before cabinets and ceilings are closed.
- Accepting verbal programme promises; instead, ask for a written sequence of trades.
- Not planning a temporary kitchen; instead, set up a basic cooking and washing area before demolition begins.
Related questions
Why does the kitchen never fit as drawn?
Drawings usually assume straight walls and flat floors, whereas real rooms deviate. Good fitters allow for it with scribing, fillers and adjustable legs, but if the survey was cursory the deviations become surprises. Ask for a measured drawing that records out-of-square corners, ceiling height variations and obstructions such as pipes or boxing-in, and approve it before manufacture begins.
Should I choose appliances before cabinets?
Yes where possible. Cut-out dimensions, ventilation gaps, hinge arrangement and plinth heights vary between models, even in the same size category. If cabinets are made first and a different appliance is chosen later, the choice narrows to whatever fits. Provide the manufacturer's installation drawings to the kitchen designer so that the cabinets are made around real products.
Can a kitchen fitter do the electrics and plumbing?
Some firms employ or subcontract qualified trades, while others fit units only. Regulated work, such as electrical circuits and gas connections, generally must be done by suitably registered people with certificates in many jurisdictions. Ask who does what, whether they are registered with the relevant body, and who is accountable if services work fails after the cabinets are in.
How should I handle snagging?
Inspect in good light after cleaning, and write a dated list with photographs: door alignment, chipped edges, silicone lines, appliance operation, tap and drain function. Send the list to the contractor and agree a deadline for remedial visits. Consider retaining a modest portion of the final payment until agreed items are fixed, if the contract permits.
Sources and further reading
These pages were reachable when we last checked. They informed definitions and rules referred to above; they do not endorse this guide. Where rules differ by country, check the authority for your location.
- National Kitchen and Bath Association — NKBA, retrieved 27 October 2026
- Electrical safety — Health and Safety Executive, retrieved 27 October 2026
- Gas safety — Health and Safety Executive, retrieved 27 October 2026
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