Construction compliance guide

What Paperwork Do You Need for a Kitchen Fit?

A kitchen installation might be smaller in scope than a full renovation, but the paperwork requirements catch a lot of fitters out. Here is everything you need — from Part P electrics and Gas Safe certificates to COSHH, RAMS, and insurance.

Nicola Dobbie·Founder, The Site Book

TL;DR

• Electrical work in a kitchen is notifiable under Part P — you need a registered electrician and proper certification.
• Any gas work (cooker, hob, boiler) must be done by a Gas Safe registered engineer. Working on gas without registration is a criminal offence.
• COSHH assessments are needed for silicone sealants, tile adhesives, grouts, epoxies, and dust from cutting worktops or tiles.
• Even a domestic kitchen fit needs a lightweight construction phase plan under CDM 2015, and most commercial clients will require full RAMS.
• Public liability insurance is essential, employers’ liability is a legal requirement if you have staff, and you should keep certificates for every job.

Why does a kitchen fit need paperwork?

Kitchens are one of the most common jobs for tradespeople in the UK, and many fitters treat them as straightforward domestic work that does not need much in the way of documentation. That is a mistake. A kitchen fit routinely involves notifiable electrical work, gas connections, plumbing alterations, and the use of hazardous substances — all of which come with legal paperwork requirements.

Beyond the legal requirements, proper paperwork protects you commercially. If a homeowner tries to sell their property and the conveyancer asks for electrical certificates, gas safety records, and building control sign-off for the kitchen, and they do not exist, the homeowner will come looking for you. If a worktop joint fails because the adhesive was not suitable and you have no COSHH assessment or method statement showing how it was installed, you are exposed. If someone trips over your tools in the client’s hallway and you have no public liability insurance, you could lose your house.

The good news is that the paperwork for a kitchen fit is not complicated. Most of it is lightweight, and much of it is produced by the specialists you bring in (electricians, gas engineers). Your job as the kitchen fitter is to make sure it all gets done, collected, and handed over. Think of it as the professional standard that separates a proper kitchen company from someone selling units out of the back of a van.

What are the electrical regulations for a kitchen fit?

Electrical work in kitchens falls under Part P of the Building Regulations (England and Wales) and equivalent requirements in Scotland and Northern Ireland. Part P exists because faulty electrical installations cause fires and electrocutions. In a kitchen, the risks are heightened by the presence of water, metal sinks, and the high-powered circuits that supply cookers, ovens, and hobs.

The following electrical work in a kitchen is notifiable under Part P and must either be done by a registered competent person or inspected by building control:

Installing a new circuit — for example, a dedicated cooker circuit, a new ring main for worktop sockets, or a circuit for under-cabinet lighting.
Replacing or upgrading the consumer unit (fuse board).
Any electrical work within 3 metres of a sink or basin that involves new circuits or alterations to existing circuits.
Adding a new connection to the supply for a built-in oven, induction hob, or instant boiling water tap.

A registered electrician (NICEIC, NAPIT, ELECSA, or equivalent) will self-certify notifiable work and issue an Electrical Installation Certificate (EIC) or a Minor Works Certificate. They will also notify building control on your behalf. If the electrician is not registered, you will need to arrange a separate building control inspection, which adds time and cost. Always use a registered electrician — the certificate is essential paperwork for the homeowner.

For a deeper look at electrical risks on site, see our electrical safety guide.

When do you need a Gas Safe engineer?

Any work on a gas installation — including pipework, appliances, and flues — must be carried out by a Gas Safe registered engineer. This is a legal requirement under the Gas Safety (Installation and Use) Regulations 1998. Working on gas without registration is a criminal offence that carries an unlimited fine and up to two years in prison.

In a kitchen fit, you are likely to need a Gas Safe engineer for:

Disconnecting a gas cooker or hob before the old kitchen is stripped out.
Capping off a gas supply pipe during the fit-out period.
Reconnecting or commissioning a gas cooker, hob, or oven in the new kitchen.
Moving or extending a gas supply pipe to a new appliance location.
Installing, moving, or reconnecting a gas boiler if the boiler is within the kitchen.

The Gas Safe engineer will issue either a Gas Safety Certificate or a Building Regulations Compliance Certificate depending on the scope of the work. Keep this with the project file and hand a copy to the homeowner. If you are fitting kitchens regularly, build a relationship with a reliable Gas Safe engineer who can work to your programme — delays waiting for gas connections are one of the most common causes of overruns on kitchen projects.

One important point: even if you are just sliding a freestanding gas cooker away from the wall to do work behind it and then pushing it back, if the bayonet fitting is disconnected at any point, that is gas work. It must be done by a Gas Safe engineer, and the connection must be tested for leaks before the appliance is used.

What plumbing and waste paperwork do you need?

Unlike electrics and gas, there is no specific registration scheme or certification requirement for domestic plumbing work in England and Wales. However, that does not mean you can ignore plumbing paperwork entirely. The Water Supply (Water Fittings) Regulations 1999 set requirements for all plumbing installations to prevent contamination of the water supply, and some plumbing work is notifiable to the local water company.

Notifiable plumbing work includes installing a new outside tap, installing or substantially altering water softening equipment, installing a bidet with ascending spray, and any work that creates a new connection to the water supply. For a typical kitchen fit where you are moving the sink to a new position and connecting a dishwasher and washing machine, the work is usually not notifiable — but it must still comply with the regulations. Your method statement should describe how you will prevent backflow contamination (for example, ensuring dishwasher and washing machine connections have appropriate air gaps or check valves).

Waste connections must comply with Part H of the Building Regulations. For a kitchen fit, this mainly means ensuring that the sink waste, dishwasher waste, and washing machine waste are properly connected to the drainage system with appropriate traps and gradients. If you are moving the waste run significantly — for example, relocating the sink from one wall to another — you may need to run new pipework through the floor void or along the wall, and building control may want to inspect this if the alteration is substantial.

In Scotland, plumbing work falls under the Scottish Water Byelaws, and the Water Industry Commission may require notification for certain alterations. Check the requirements for the specific property and location.

What COSHH assessments do kitchen fitters need?

COSHH — the Control of Substances Hazardous to Health Regulations 2002 — requires you to assess the risks from every hazardous substance your team uses on site and put controls in place to protect their health. Kitchen fitting involves more hazardous substances than most people realise.

Silicone sealants

Most silicone sealants release acetic acid vapour during curing (the vinegar smell). In a small, enclosed kitchen with poor ventilation this can cause eye and respiratory irritation. Many kitchen and bathroom sealants also contain fungicides. Your COSHH assessment should specify adequate ventilation during and after application, and gloves to prevent skin sensitisation from prolonged contact.

Tile adhesives and grouts

Cement-based tile adhesives and grouts contain Portland cement, which is a well-known skin sensitiser. Prolonged or repeated skin contact can cause allergic contact dermatitis — a condition that is permanent once developed. Your COSHH assessment should require gloves (nitrile, not latex), long sleeves, and eye protection when mixing. Dust from mixing powdered adhesive requires an FFP2 mask.

Contact adhesives and epoxies

Worktop joints are typically bonded with two-part epoxy or colour-matched sealant. Some worktop installers use contact adhesive for edging strips. These products contain solvents, hardeners, and resins that can cause skin sensitisation, respiratory irritation, and in some cases occupational asthma. Check the safety data sheet for each product and specify the appropriate PPE.

Cutting dust

Cutting laminate, MDF, or solid timber worktops generates wood dust, which is a workplace exposure limit (WEL) substance. MDF dust in particular contains formaldehyde and is classified as a respiratory sensitiser. Cutting stone, quartz, or porcelain worktops generates silica dust — a cause of silicosis, a serious and irreversible lung disease. Your COSHH assessment should specify wet cutting or dust extraction for all worktop cutting, and RPE (minimum FFP3 for silica dust) where extraction alone is insufficient.

For a comprehensive guide to COSHH obligations, see our COSHH for builders guide.

Do you actually need RAMS for a kitchen fit?

The short answer is: almost certainly, yes. Under the Management of Health and Safety at Work Regulations 1999, every employer and self-employed person must carry out a suitable and sufficient risk assessment for any work that involves significant risk. A kitchen fit involves power tools, electrical work, potential gas work, heavy manual handling, hazardous substances, and work in an occupied domestic property. That qualifies as significant risk.

If you are working for a commercial client — a housing association, a local authority, a property management company, a hotel chain, a restaurant group — RAMS will be a non-negotiable requirement. You will not get on site without them. If you are fitting kitchens for a housebuilder or a principal contractor, CDM 2015 requires you to provide evidence that you have planned and managed the health and safety of your work. RAMS is that evidence.

Even on domestic jobs, having RAMS is good practice. It does not need to be a 30-page document. A concise risk assessment covering the main hazards (electrics, gas, manual handling, COSHH, working in an occupied home) and a method statement describing your sequence of work is sufficient. It takes 20 minutes to write, it demonstrates professionalism, and it protects you if something goes wrong.

If you are a kitchen fitting company looking to grow — winning contracts with housing associations, student accommodation providers, or care homes — having a library of RAMS that you can tailor for each job is essential. It is often the difference between winning and losing a tender. For more on what RAMS involves, see our guide to RAMS.

Do you need a construction phase plan for a kitchen?

Yes. Under CDM 2015, a construction phase plan (CPP) is required for every construction project, regardless of size. A kitchen fit is construction work, so it needs a CPP. But for a small domestic kitchen installation, the CPP can be very simple.

A lightweight CPP for a kitchen fit should cover:

A brief project description — the property address, the scope of work, the expected duration, and the key dates.
The significant hazards — electrics, gas, manual handling, COSHH substances, and the fact that the property is occupied during the works.
Welfare arrangements — access to a toilet (the client’s, if they agree), hand washing facilities, and a place for workers to take breaks and eat (not in the room where you are using adhesives).
Emergency procedures — what to do in case of a gas leak (evacuate, call the gas emergency line on 0800 111 999), an electrical incident (isolate supply, call 999), a fire, or an injury.
Coordination — if you have an electrician and a gas engineer visiting on separate days, your CPP should describe how their work is sequenced and how information is shared between trades.

This can genuinely fit on a single A4 page. The point is not to create paperwork for the sake of it, but to show that you have thought about the risks before starting work. For more detail on what a CPP looks like, see our guide to construction phase plans.

What insurance do kitchen fitters need?

Insurance is not optional — it is both a legal requirement (in some cases) and a commercial necessity. The insurance you need for kitchen fitting depends on your business structure and the clients you work for.

Public liability insurance

Covers claims from third parties for injury or property damage caused by your work. If you accidentally damage the client’s flooring, break a window, or cause a water leak that damages the downstairs ceiling, public liability insurance covers the claim. Most clients expect a minimum of £2 million cover. Housing associations and commercial clients often require £5 million or £10 million.

Employers’ liability insurance

If you employ anyone — including apprentices — you are legally required to have employers’ liability insurance with a minimum cover of £5 million. This is a legal requirement under the Employers’ Liability (Compulsory Insurance) Act 1969. You can be fined £2,500 per day for not having it.

Professional indemnity insurance

Covers claims arising from faulty advice or design. If you recommended a particular worktop material, layout, or appliance and it turns out to be unsuitable, professional indemnity covers the claim. This is increasingly important if you offer kitchen design services as part of your fitting package.

Contract works (all-risks) insurance

Covers damage to the work itself during the project. If there is a burst pipe that floods the kitchen mid-installation, or a break-in results in your materials being stolen, contract works insurance covers the cost of replacement and making good.

Keep copies of all insurance certificates in your project file. Many clients will ask to see them before you start work, and having them ready demonstrates professionalism.

What certificates and sign-offs should you collect?

At the end of a kitchen fit, you should be able to hand the homeowner a pack of paperwork that covers everything that was done. This is not just good practice — it is what conveyancers will ask for when the property is sold, and it is what insurers will want to see if there is a claim.

Electrical Installation Certificate (EIC) or Minor Works Certificate from the registered electrician, covering all notifiable electrical work.
Gas Safety Certificate or Building Regulations Compliance Certificate from the Gas Safe engineer, covering all gas work.
Building control completion certificate (if applicable — required where structural alterations, drainage changes, or notifiable electrical work have been carried out).
Appliance manuals and warranty registrations for all fitted appliances.
Worktop warranty documentation, including care instructions.
Your own certificate of completion or handover document confirming the scope of work, the completion date, and your warranty terms.
Copies of your insurance certificates (public liability at minimum).

Putting this pack together takes 30 minutes at the end of the job and sets you apart from competitors who just walk away when the last handle is fitted. It also reduces the chance of the homeowner calling you six months later asking for certificates you should have provided at handover.

What does a complete kitchen fit paperwork checklist look like?

Here is the full list of paperwork you should have in place for a typical kitchen installation. Not every item will apply to every job, but this gives you the complete picture.

Before you start

Risk assessment and method statement (RAMS), lightweight construction phase plan, COSHH assessments for all substances you will use, public liability and employers’ liability insurance certificates, Gas Safe registration details for your gas engineer, and Part P registration details for your electrician.

During the work

Signed RAMS briefing records for all operatives, daily site diary or progress notes, any variation records if the scope changes, and photographic records of hidden work (plumbing runs behind units, electrical cable routes) before they are covered up.

At handover

Electrical Installation Certificate or Minor Works Certificate, Gas Safety Certificate, building control completion certificate (if applicable), appliance manuals and warranty registrations, worktop warranty documentation, your completion certificate and warranty terms, and copies of your insurance certificates.

If this list looks daunting, remember that most of it is produced by other people (your electrician, your gas engineer, your suppliers). Your job is to coordinate it, collect it, and hand it over. And if you want to automate the RAMS and COSHH assessments, that is exactly what The Site Book is built for.

Frequently asked questions

Common questions about kitchen fit paperwork and compliance.

Do I need RAMS for a kitchen fit?

In most cases, yes. If you are working for a commercial client, a principal contractor, or on any site where CDM 2015 applies, you will be asked for RAMS as a condition of starting work. Even on domestic jobs, having RAMS demonstrates professionalism and protects you legally. A kitchen fit involves electrical work, potential gas work, COSHH-rated adhesives and sealants, manual handling of heavy worktops and appliances, and working with power tools in an occupied home. All of these carry significant risk. A concise RAMS covering the key hazards and your control measures takes very little time to produce and could save you a great deal of trouble if something goes wrong. If your client is a housing association, local authority, or any kind of managed property, RAMS will almost certainly be mandatory.

Can I do kitchen electrics myself or do I need a Part P electrician?

It depends on what the work involves. Under Part P of the Building Regulations (England and Wales), certain electrical work in a dwelling is notifiable — meaning it must be carried out by a registered competent person (such as a member of NICEIC, NAPIT, or ELECSA) or inspected and certified by building control. In a kitchen, notifiable work includes installing a new circuit (for example, a dedicated cooker circuit or a ring main for sockets), replacing the consumer unit, and any work within a special location such as near a sink. Minor works like replacing a socket on a like-for-like basis or adding a spur to an existing circuit are generally non-notifiable, but you still need to meet BS 7671 wiring standards. If in doubt, use a registered electrician. The paperwork they provide — an Electrical Installation Certificate or Minor Works Certificate — is essential for building control sign-off and for the homeowner’s records.

Do I need a gas safe engineer for a kitchen fit?

If any part of the kitchen fit involves gas work, then yes — that work must be carried out by a Gas Safe registered engineer. This is a legal requirement under the Gas Safety (Installation and Use) Regulations 1998. Gas work in a kitchen typically includes disconnecting and reconnecting a gas cooker or hob, moving or extending a gas supply pipe, installing or relocating a gas boiler, and capping off a gas supply that is no longer needed. Even disconnecting a gas cooker to move it during the fit-out requires a Gas Safe engineer if the supply needs to be capped. Working on gas without being Gas Safe registered is a criminal offence. The engineer will issue a Gas Safety Certificate or a Building Regulations Compliance Certificate, which you should keep with the project file.

What insurance do I need for kitchen fitting?

At a minimum, you need public liability insurance. This covers you if a third party (the homeowner, a visitor, or a neighbour) is injured or their property is damaged as a result of your work. Most clients and principal contractors will ask for at least £1 million of cover, though £2 million or £5 million is increasingly standard. If you employ anyone, you are legally required to have employers’ liability insurance with a minimum of £5 million cover. You should also consider professional indemnity insurance, which covers claims arising from faulty design or advice — for example, if you recommended a worktop material that turned out to be unsuitable. Finally, contract works insurance (also called all-risks insurance) covers damage to the work itself during the project — for example, if a flood damages the kitchen before it is handed over.

Do I need a construction phase plan for a kitchen fit?

Under CDM 2015, a construction phase plan is required for every construction project — and that includes a kitchen fit, even a domestic one. However, for a small domestic job the plan can be very lightweight. It does not need to be a 50-page document. A simple construction phase plan for a kitchen fit should cover the project description and scope, the key hazards and how they will be managed, welfare arrangements (access to a toilet, hand washing, somewhere to take breaks), emergency procedures (what to do in case of a fire, a gas leak, or an injury), and the arrangements for coordinating different trades if you have subcontractors on site. A single A4 page can cover all of this for a typical kitchen installation. The important thing is that it exists, it is site-specific, and the people doing the work have seen it.

What COSHH assessments do I need for kitchen fitting?

You need a COSHH assessment for every hazardous substance your team will use or encounter during the kitchen fit. Common substances include silicone sealants (many contain fungicides and release acetic acid fumes during curing), tile adhesives and grouts (contain Portland cement, which is a skin sensitiser and respiratory irritant), PVA adhesives and contact adhesives for worktop edging, solvent-based cleaning products, two-part epoxy adhesives for stone or composite worktops, and dust from cutting worktops, tiles, or MDF. For each substance, your COSHH assessment should identify the hazards (from the safety data sheet), the people at risk, the control measures you will use (ventilation, PPE, skin protection), and the emergency procedures in case of exposure. In practice, most kitchen fitters use a small number of products regularly, so you can maintain a library of COSHH assessments and pull in the relevant ones for each job.

How The Site Book helps

• Creates kitchen-fit RAMS tailored to your specific project — describe the job and get a complete document in minutes.
• Lightweight construction phase plan for domestic work included automatically.
• COSHH assessments for adhesives, sealants, grouts, and cutting dust pre-populated based on the materials you specify.
• Professional PDF output ready to share with clients, housing associations, and principal contractors.

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