Split and multi-split systems in Sunbury-on-Thames
A free survey, a clear specification and a fixed price for split and multi-split air conditioning in Sunbury-on-Thames.
- 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 Sunbury-on-Thames?
Budget roughly £1,650–£3,395 per system ex VAT in Sunbury-on-Thames. For a typical job — two-room multi-split — expect £3,950–£6,850 plus VAT. The fixed price follows a free survey.
A split air conditioning system has an indoor unit and an outdoor unit joined by refrigerant pipework.
Covering Sunbury-on-Thames and nearby
In Sunbury-on-Thames, typical premises are high-street shops, offices above them, surgeries, salons and local industrial units. Woking is about 14 km away.
Postcode districts we cover in Sunbury-on-Thames include KT8, KT12, TW12, TW13, TW16 and TW17. We also cover Walton-on-Thames, West Molesey and Hampton, all within easy reach of Sunbury-on-Thames. Buildings across Surrey range from converted period offices to modern units with deep ceiling voids, so we measure each site rather than relying on a standard package.
What is included
- Survey and unit sizing
- Outdoor unit on wall brackets, a flat roof frame or ground mounts
- Pipework in neat trunking or concealed routes
- Condensate drainage
- Commissioning, remote or wired controls and F-gas records
Split systems prices in Sunbury-on-Thames
These guide prices are adjusted for the South East, where labour and access costs run about 15% above the UK guide.
| Item | Guide price (ex VAT) | Inc VAT | Basis |
|---|---|---|---|
| Single split 2.5–3.5 kW | £1,650–£2,795 | £1,980–£3,354 | per system |
| Single split 5–7 kW | £2,250–£3,395 | £2,700–£4,074 | per system |
| Multi-split, 2 indoor units | £3,950–£6,850 | £4,740–£8,220 | per system |
| Multi-split, 3–4 indoor units | £5,695–£11,450 | £6,834–£13,740 | per system |
| Extra pipework beyond 5 m | £40–£75 | £48–£90 | per metre |
Ex VAT, supply and install with standard access.
How we work in Sunbury-on-Thames
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. We keep work areas in Sunbury-on-Thames screened and tidy at the end of each day.
Test and commission
Pressure test, evacuation, any extra refrigerant charge, then commissioning and handover.
What to think about in Sunbury-on-Thames
Outdoor unit position
Outdoor units need air flow and access, and should be away from neighbours' windows to keep noise down.
Conservation areas
Historic streets and listed buildings in and around Sunbury-on-Thames are more likely to need planning permission for outdoor units on visible elevations. We check with the local planning authority before work is booked.
Pipe routes
Shorter, simpler pipe routes are cheaper and more reliable. We plan routes before quoting.
Leased premises
If your Sunbury-on-Thames premises are leased, the landlord's written consent is usually needed for external units, wall penetrations and roof access. We provide drawings and data sheets for the request.
Premises we work in around Sunbury-on-Thames
- Pubs and bars: cooling for busy bars, function rooms and cellars, sited with neighbours in mind.
- Salons and spas: comfortable salons and treatment rooms despite dryers, lamps and steam.
- Retail and shops: comfortable shop floors, stockrooms and entrances, even with the door open.
- Healthcare and dental: clean, quiet cooling for surgeries, clinics, dental practices and care settings.
Two rules matter for most businesses in England: GB F-gas rules (leak checks from 5 tonnes CO2e) and the periodic energy inspection for more than 12 kW of air conditioning.
Your questions answered
How much does a split air conditioning system cost in Sunbury-on-Thames?
Guide prices in Sunbury-on-Thames run from about £1,650 to £3,395 per system, plus VAT. A typical job (two-room multi-split) costs £3,950–£6,850 plus VAT. We fix the price in writing after a free survey.
Do you also cover Walton-on-Thames, West Molesey and Hampton?
Yes. Alongside Sunbury-on-Thames, we also cover Walton-on-Thames, West Molesey and Hampton. Each has its own page with local guide prices.
Which postcodes do you cover in Sunbury-on-Thames?
All of them, including KT8, KT12, TW12 and TW13. Give us your postcode when you enquire and we will confirm the visit details.
How long does it take to fit?
A single split is usually fitted in a day; a multi-split in one to two days.
Does a small split need F-gas leak checks?
It depends on the refrigerant charge and type. Many small R32 splits fall below the 5 tonnes CO2 equivalent threshold for mandatory leak checks, but they still need installing and servicing by F-gas certified engineers.
Get a guide price for Sunbury-on-Thames
Free survey and fixed written quote. We reply with a guide price or to book the survey.