Conservatory air conditioning in Surbiton
In Surbiton, the indoor unit usually goes on the original house wall inside the conservatory. Many London homes are flats or tall terraces, where heat rises to the top floor and the bedrooms bear the brunt of a hot spell.
If your conservatory in Surbiton faces south, that is where overheating is worst. Surbiton sits around 11 miles from central London, inside our London area. Homes in KT5 and KT6 are all within our coverage.
Prices in Surbiton
In London, our guide range for conservatory air conditioning is £1,895–£4,545 per system, including VAT. Prices here sit above the national middle, reflecting London labour rates and parking and access costs. Quotes move with the length of the pipe run, where the outdoor unit can sit and how much electrical work the job needs. On our London figures, the Popular option (5 kW unit with Wi-Fi for a medium conservatory or orangery) is about £2,445–£3,445.
Essential
3.5 kW unit for a small lean-to or Edwardian conservatory.
Popular
5 kW unit with Wi-Fi for a medium conservatory or orangery.
Premium
7 kW or console-plus-wall setup for large glazed rooms.
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
Surveys in Surbiton cover heat gain, pipe routes, electrics, access and noise to the nearest neighbour, so surprises on the day are rare. 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 Surbiton:
- Pressure test, vacuum and commissioning
- Free survey with glazing and roof heat-gain check
- Fixing to the house wall or a dwarf wall
- Reversible inverter unit sized for glass
- Pipe route and outdoor unit position agreed
Nearby
If you are just outside Surbiton, we also work in New Malden (2 miles), Esher (3 miles) and Ewell (4 miles). See all services in Surbiton or conservatory air conditioning across London.

