Split and multi-split systems in Barnet
Split and multi-split air conditioning in Barnet, sized to the real heat load of your premises rather than guessed from the floor area.
- Free site survey and fixed written quote
- Unit sizes, refrigerant and price set out in writing
- Work planned around your opening hours
How much does a split air conditioning system cost in Barnet?
Our guide range in Barnet is £1,850–£3,795 per system before VAT; a typical job (two-room multi-split) is £4,395–£7,595 plus VAT. Your exact price is fixed in writing once we have surveyed.
A split air conditioning system has an indoor unit and an outdoor unit joined by refrigerant pipework.
Covering Barnet and nearby
Premises in Barnet are often in mixed-use buildings with shared roofs and tight access, so outdoor unit positions are agreed early.
We work across Barnet's postcode districts, including EN5. Nearby, we also cover East Barnet (about 3 km), Potters Bar (about 5 km) and Borehamwood (about 5 km). For split and multi-split air conditioning in Barnet, the survey looks at where the outdoor unit can go, how pipework will reach the indoor units and whether the electrical supply has capacity.
What we do
- Survey and unit sizing
- Wall-mounted, floor-standing or under-ceiling indoor units
- Outdoor unit on wall brackets, a flat roof frame or ground mounts
- Pipework in neat trunking or concealed routes
- Condensate drainage
Prices in Barnet
Prices below include our regional adjustment for London (28% above the UK guide).
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Single split 2.5–3.5 kW | £1,850–£3,150 | £2,220–£3,780 | per system |
| Single split 5–7 kW | £2,500–£3,795 | £3,000–£4,554 | per system |
| Multi-split, 2 indoor units | £4,395–£7,595 | £5,274–£9,114 | per system |
| Multi-split, 3–4 indoor units | £6,350–£12,750 | £7,620–£15,300 | per system |
| Extra pipework beyond 5 m | £45–£85 | £54–£102 | per metre |
Ex VAT, supply and install with standard access.
The steps for a project in Barnet
Survey
We size the unit to the room and agree indoor and outdoor positions and the pipe route.
Mount the units
Indoor unit on a mounting plate, outdoor unit on brackets or a frame with anti-vibration mounts.
Pipe and wire
Pipework, interconnecting cable and condensate are run and made off neatly. In Barnet we agree timings around your opening hours.
Test and commission
Pressure test, evacuation, any extra refrigerant charge, then commissioning and handover.
Before you book in Barnet
Outdoor unit position
Outdoor units need air flow and access, and should be away from neighbours' windows to keep noise down.
Shared buildings
In multi-let buildings, roof space, risers and plant areas are often controlled by a managing agent. We work to their permits and method-statement requirements.
One outdoor unit, many rooms
Multi-splits save wall space but share a single compressor. For server rooms or critical spaces we recommend dedicated systems.
Conservation areas
Historic streets and listed buildings in and around Barnet are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Premises we work in around Barnet
- Warehouses and industrial: cooling for offices, mezzanines, control rooms and temperature-sensitive areas.
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
- Healthcare and dental: clean, quiet cooling for surgeries, clinics, dental practices and care settings.
- Gyms and leisure: high-capacity cooling and fresh air for gym floors, studios and changing rooms.
In England, systems holding 5 tonnes CO2 equivalent of refrigerant or more fall under GB F-gas rules, with regular leak checks and records; buildings with more than 12 kW of air conditioning in total also need a periodic energy inspection.
FAQs for Barnet
How much does a split air conditioning system cost in Barnet?
Guide prices in Barnet run from about £1,850 to £3,795 per system, plus VAT. A typical job (two-room multi-split) costs £4,395–£7,595 plus VAT. We fix the price in writing after a free survey.
Do you also cover East Barnet, Potters Bar and Borehamwood?
Yes. Alongside Barnet, we also cover East Barnet, Potters Bar and Borehamwood. Each has its own page with local guide prices.
Which postcodes do you cover in Barnet?
All of them, including EN5. Give us your postcode when you enquire and we will confirm the visit details.
How much does a split air conditioning system cost for a business?
A single wall-mounted split typically costs £1,450–£2,950 plus VAT installed. Multi-splits with two to four indoor units are typically £3,450–£9,950 plus VAT.
Can a split system heat in winter?
Yes. Modern split systems are heat pumps and can heat efficiently down to well below freezing.
Get a guide price for Barnet
Free survey and fixed written quote. We reply with a guide price or to book the survey.