Air conditioning for extensions and kitchen-diners in Biggleswade
The East of England is one of the sunniest and driest parts of the UK, which makes glazed rooms and lofts hard to keep cool. In Biggleswade, a side wall of a single-storey extension is usually the neatest place for the indoor unit.
An extension in Biggleswade with a roof lantern or large glazed doors can overheat quickly on a sunny afternoon. Biggleswade is about 16 miles from Luton and falls within our Bedfordshire coverage. Homes in SG18 are all within our coverage.
Prices in Biggleswade
For Biggleswade, expect roughly £1,595 to £4,995 per space, VAT included, adjusted for typical East of England rates. The East of England is one of the dearer parts of the UK for trades, which shows in the range. What moves a quote in Biggleswade up or down is mostly pipe length, how high the outdoor unit goes, and whether a new electrical circuit is needed. For reference, the Large single option in Biggleswade (one 5–7 kW unit for a large glazed space) usually comes to about £2,295–£3,195.
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
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. At the survey we look at how each room is used, where the sun hits it and how the pipes can reach the outside wall, then put it all in a written quote.
What is included
Here is what is included on every job in Biggleswade:
- Free survey with glazing and roof heat-gain check
- Pressure test, vacuum and commissioning
- Hidden routes during the build, or neat surface routes after
- Placement clear of the hob and oven
- Handover of the remote or app
Nearby
Nearby, we also cover Sandy (3 miles), Letchworth Garden City (8 miles) and St Neots (9 miles). See all services in Biggleswade or air conditioning for extensions and kitchen-diners across Bedfordshire.