Listing 01
A Star Air Conditioning Ltd
Domestic and commercial installation across all 32 London boroughs by an F-Gas certified business.
Areas covered All 32 London boroughs
London borough
Compare companies covering Barnet, understand local cost and survey issues, then request quotes with a clear written scope.
Barnet has large suburban homes, denser northern terraces and managed flats. Plot size and outdoor space vary more than in inner London.

Use the listings below to contact companies directly, or request AC quotes for Barnet.
Listing 01
Domestic and commercial installation across all 32 London boroughs by an F-Gas certified business.
Areas covered All 32 London boroughs
Listing 02
Domestic and commercial air conditioning installation across London, with F-Gas registration.
Areas covered London and nearby Surrey areas
Listing 03
London air conditioning installation, site surveys and engineers qualified to work with major manufacturers.
Areas covered Greater London and the home counties
Listing 04
Air conditioning installation across Greater London, Romford and the home counties by F-Gas certified engineers.
Areas covered Greater London, Romford and surrounding home counties
Listing 05
REFCOM-certified installer advertising domestic and commercial air conditioning installation across Ealing and London.
Areas covered Ealing, Acton, Southall, Greenford, Northolt, Hanwell and wider London
Listing 06
Domestic and commercial systems installed by F-Gas and City & Guilds certified engineers.
Areas covered London, Essex and Hertfordshire
Listing 07
Air conditioning installation, maintenance and repairs with REFCOM Elite company certification.
Areas covered Essex and London
Listing 08
Domestic and commercial air conditioning installation, servicing and maintenance using certified installers.
Areas covered Dagenham and wider London
Listing 09
Domestic and commercial air conditioning installation across Dagenham and Greater London, with site surveys available.
Areas covered Dagenham and Greater London
Listing 10
Air conditioning installation across Brentwood, Essex and East London, with F-Gas registration and REFCOM certification.
Areas covered Brentwood, Essex and East London
Barnet has large suburban homes, denser northern terraces and managed flats. Plot size and outdoor space vary more than in inner London.
A useful Barnet survey should mark outdoor positions against neighbouring windows, confirm condensate fall or pump need, and separate room loads for lofts, glazed extensions and upper-floor flats.
As a July 2026 planning range only, a straightforward single-room wall-mounted split may often fall around £1,800 to £3,500 including VAT in many London situations. That is not a Barnet tariff and not a quotation.
In Barnet, labour time is often driven by parking, delivery windows, managed-block access and longer concealed routes rather than by the indoor unit alone.
Multiple zones, long garden routes and upper-floor flats can increase materials and commissioning time. Compact semis with clear rear access price more simply.
Estimate a planning range, read the UK and London installation cost guide, then get quotes from installers covering Barnet.
Flats and visible external plant in Barnet commonly need freeholder or managing-agent approval as well as a planning check for the exact elevation and equipment.
Larger houses should be sized by room and occupancy, not floor area alone. Flats still need early confirmation of outdoor-unit permissions.
For property-specific constraints, read planning permission in England, flats and leaseholder consent, and Victorian and Edwardian houses where the building form matches.
A responsible proposal should respond to the actual building. It should not assume that every property in Barnet has the same construction, permissions or cooling load.
Agree who will service the system, how the outdoor unit stays accessible, and whether filters are homeowner or engineer tasks. Use the servicing hub for timing and cost context, then request a local visit if you already have equipment installed.
Read what we check and what you should verify.
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Ask each company for F-Gas registration and insurance. We introduce local installers.