Air conditioning for extensions and kitchen-diners in Seaham
North East summers are cooler, so heat pump heating is often the main draw, with cooling for warm spells. In Seaham, a side wall of a single-storey extension is usually the neatest place for the indoor unit.
An extension in Seaham with a roof lantern or large glazed doors can overheat quickly on a sunny afternoon. Seaham lies roughly 10 miles from Durham, and we cover it as part of County Durham. That includes the SR7 postcode district.
Prices in Seaham
Budget around £1,345–£4,095 per space including VAT for air conditioning for extensions and kitchen-diners in and around Seaham. Labour rates in North East England keep this slightly under the national middle. Concealed pipework, access equipment for high walls and any electrical work are what push prices towards the upper figure. On our North East England figures, the Large single option (one 5–7 kW unit for a large glazed space) is about £1,895–£2,595.
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
In England, most houses can have an outdoor unit under permitted development if it is no larger than 1.5 m³, meets the MCS 020(a) noise limit of 37 dB(A) at the nearest neighbour's window, and there are no more than two on a detached house or one on other houses. Listed buildings need consent.
The survey
On a survey in Seaham the engineer looks at room size, glazing, the route for pipes and drains, the electrics and where the outdoor unit can sit quietly, then the written quote follows. A survey in Seaham usually takes one to two hours. We measure the rooms, check the walls and the consumer unit, agree the outdoor unit position with you and photograph the pipe routes.
What is included
Included with air conditioning for extensions and kitchen-diners in Seaham:
- Pressure test, vacuum and commissioning
- Free survey with glazing and roof heat-gain check
- Placement clear of the hob and oven
- Handover of the remote or app
- One or two units sized for the whole space
Nearby
Close to Seaham, our coverage also includes Houghton-Le-Spring (5 miles), Sunderland (5 miles) and Washington (8 miles). See all services in Seaham or air conditioning for extensions and kitchen-diners across County Durham.