Air conditioning for extensions and kitchen-diners in Eastbourne
In the South East, loft rooms and glazed extensions can climb well above the outside temperature on a sunny afternoon. For a kitchen-diner in Eastbourne, we place the indoor unit clear of the hob and plan the outdoor unit at the rear.
In Eastbourne, a side wall of a single-storey extension is usually the neatest place for the indoor unit. Eastbourne lies roughly 19 miles from Brighton, and we cover it as part of East Sussex. We cover BN21 and the streets around them.
Prices in Eastbourne
For Eastbourne, expect roughly £1,745 to £5,445 per space, VAT included, adjusted for typical South East England rates. Prices here sit above the national middle, reflecting South East England labour rates and parking and access costs. The biggest variables are the pipe route, access for the outdoor unit and the state of the consumer unit, all of which the survey settles. On our South East England figures, the Large single option (one 5–7 kW unit for a large glazed space) is about £2,495–£3,495.
Single unit
One 3.5–5 kW unit for a medium extension.
Large single
One 5–7 kW unit for a large glazed space.
Twin units
Two indoor units on a multi-split for long or L-shaped spaces.
Guide prices show VAT at 20%. HMRC treats most fixed air conditioners and air-to-air heat pumps installed in homes as energy-saving materials, zero-rated until 31 March 2027 when we supply and fit them. If your installation qualifies, your quote shows 0% VAT and a lower price. Servicing, repairs, cleaning and controls are charged at 20%.
Planning and permissions
Since 29 May 2025, England's permitted development rules allow larger outdoor units (up to 1.5 m³) and no longer require a 1 m gap to the boundary, provided the MCS 020(a) noise check is met. Listed buildings and pitched-roof installs still need permission.
The survey
We book surveys in Eastbourne at a time that suits you, including early evenings by arrangement, and send the written quote afterwards. The free survey is where the real price is set: room measurements, pipe and drain routes, electrical checks and the outdoor unit position, all written into your quote.
What is included
Included as standard in Eastbourne:
- Pressure test, vacuum and commissioning
- One or two units sized for the whole space
- Placement clear of the hob and oven
- Free survey with glazing and roof heat-gain check
- Handover of the remote or app
Nearby
Nearby, we also cover Hailsham (7 miles), Seaford (8 miles) and Bexhill-on-Sea (10 miles). See all services in Eastbourne or air conditioning for extensions and kitchen-diners across East Sussex.