What is a plant and equipment register?
Last reviewed 6 October 2026
What a plant and equipment register is
A plant and equipment register is a list of the installed equipment that keeps a building running, such as boilers, air handling units, pumps, lifts, generators and fire alarm panels, with the details needed to find, service and replace each item: where it is, what it is, who looks after it and what has been done to it.
In this guide the term means the plant and equipment fixed in or serving a building. It is sometimes called a building asset register or, for the maintenance side, an equipment service history. The same list can serve several purposes: planning servicing, finding the right manual or spare part quickly, preparing for a handover or a sale, and having something solid to point to when a question comes up about what is installed.
It is not the same thing as a construction plant fleet register (excavators, cranes and similar mobile machinery), an accounting fixed asset register (which tracks cost and depreciation), or an IT asset inventory. Those have their own purposes and rules. A building register can sit alongside them, but it answers a different question: what is installed in this building and what is its history?
What counts as plant and equipment
There is no single official list. Most building registers group equipment by the system it belongs to, which also makes it easier to see what has been missed. Typical examples:
| System | Typical items |
|---|---|
| Heating and hot water | Boilers, heat pumps, calorifiers, hot water cylinders, circulation pumps, expansion vessels |
| Ventilation and cooling | Air handling units, extract fans, split and VRF air conditioning, chillers, fan coil units |
| Electrical | Main switchgear and distribution boards, generators, UPS units, EV charge points, external lighting controls |
| Water | Cold water storage tanks, booster pumps, water heaters, softeners, thermostatic mixing valves |
| Fire and safety | Fire alarm panels, emergency lighting, extinguishers, sprinkler or suppression systems, smoke vents |
| Access and movement | Passenger and goods lifts, automatic doors, barriers, roller shutters, loading dock equipment |
| Specialist | Commercial kitchen equipment, security and access control systems, compressors, process equipment |
How much to include is a judgement. A sensible rule is to list anything that needs periodic servicing, would be costly or disruptive to replace, or that a new manager would otherwise have to hunt for.
What to record for each item
The useful fields depend on the item, and nothing here is a legal requirement in itself. These are the details that tend to be missing when someone needs them most:
| Field | What to record | Why it helps |
|---|---|---|
| Name and reference | A plain description and a unique reference, for example “AHU-02 first floor plant room”. | Stops two similar items being confused. |
| Location | The floor, room or area, and any access notes. | Anyone can find it, including a contractor on a first visit. |
| System or category | Heating, ventilation, electrical, water, fire, access and so on. | Lets you filter by system and spot gaps. |
| Make, model and serial number | From the data plate, where there is one. | Needed for parts, warranty claims and manufacturer support. |
| Installed or commissioned | The date, and the installer where known. | Gives the age of the item and helps plan replacement. |
| Maintenance requirement | What servicing the manufacturer or your own plan calls for, and how often. | Turns the register into a plan rather than a list. |
| Provider | Who services or looks after it, and how to contact them. | Shows who is responsible and who to call. |
| Condition and importance | A simple recorded condition, and how critical the item is to the building’s operation. | Helps decide what to repair or replace first. |
| Documents | Manuals, commissioning records, service reports, certificates, warranties. | Keeps the evidence with the item it concerns. |
| History | Each service, repair, inspection or replacement, with the date. | Shows the pattern: repeated faults, overdue visits, past work. |
Keeping the register useful
- One record per item. Avoid grouping “all radiators” unless you will never need to distinguish them. Group by location or system instead.
- Add history; do not overwrite it. A service this year does not replace last year’s. The sequence is what makes the register valuable.
- Link documents to the item. A service report filed in a general folder is hard to find in two years. Attached to the item it relates to, it is not.
- Write down what you do not know. An item with “serial number not found” is more useful than a blank, because it tells the next person the data plate was checked.
- Review it on a schedule. A yearly check that the register matches what is physically in the building catches additions and removals before they are forgotten. The property maintenance schedule guide covers how to plan recurring reviews and services.
Where legal requirements come in
A register is a record, not a compliance system. Some of the equipment on it may be subject to statutory duties that depend on the building, how it is used and where it is, and the rules differ between the UK nations. Two examples from the Health and Safety Executive (which covers Great Britain):
- For lifting equipment used to lift people, HSE guidance describes thorough examination by a competent person at set intervals (six months for equipment that lifts people), with written reports. See HSE’s guidance on lifting equipment.
- For fixed electrical installations, HSE guidance says the regulations do not set one inspection frequency for every case: the dutyholder decides what is needed based on risk. See HSE on maintaining electrical equipment.
Getting started
You do not need a complete register on day one. A workable approach is to start with the equipment that carries the most risk or cost (heating plant, electrical distribution, fire systems, lifts), record the fields above, attach the documents you already have, and add the rest room by room as you come across it. For a wider view of what to inspect and keep records of, see the commercial property maintenance checklist and the guide to commercial building documents.
Official sources
Related guides
- Commercial property maintenance checklist (UK): what to inspect and what to record
A practical checklist, grouped by building system, of what to inspect and what to keep a record of.
- What documents should be kept for a commercial building?
The documents worth keeping for a commercial building, in practical groups, and what is useful versus required.
- How to create a property maintenance schedule
A step-by-step method for a schedule you can keep up: items, frequencies, due dates, history and overdue work.
This guide is general information about keeping records. It is not legal, safety or technical advice. MyPropertyRecord stores the records and dates you enter; it does not check or determine whether a property meets any legal requirement. Requirements differ across England, Scotland, Wales and Northern Ireland, and by property type, use and tenancy, and they change. Where this guide mentions a legal duty, check the current official guidance linked on this page before relying on it.