Garden room and home office air conditioning across County Durham
We check the armoured supply cable on every Durham garden room before quoting. For a garden room in Durham, the outdoor unit usually sits on a small stand behind the building. Cold, windy North East winters favour a well-sized heat pump with an outdoor unit sheltered from the prevailing wind.
Prices in County Durham
For County Durham, expect roughly £1,345 to £2,895 per system, VAT included, adjusted for typical North East England rates. Labour rates in North East England keep this slightly under the national middle. Longer or hidden pipe runs, high-level brackets and electrical upgrades are the usual reasons a quote lands at the top of the range. On our North East England figures, the Popular option (3.5 kW unit with Wi-Fi to warm up before you walk down the garden) is about £1,645–£2,245.
Essential
2.5 kW unit for a small office pod.
Popular
3.5 kW unit with Wi-Fi to warm up before you walk down the garden.
Premium
5 kW unit for a large studio or gym, or concealed routing.
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
For most houses in County Durham, the outdoor unit is permitted development if it passes the MCS 020(a) noise check (37 dB(A) or less at the nearest neighbouring window) and stays within the size and number limits. We run that check on survey.
The survey
On a survey in County Durham 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 County Durham 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 garden room and home office air conditioning across County Durham:
- Short pipe run to a ground-mounted outdoor unit
- Pressure test, vacuum and commissioning
- Handover and timer set-up for working hours
- Fixings into frame or solid sections
- Free survey including the garden room's electrics
- Compact inverter unit sized to the space
Towns in County Durham
Pick your town for local details, or see every service in County Durham.

