Advice
Air conditioning advice for London
35 plain answers to real questions people in London ask, grouped by job. Each one starts with the short answer.
Home air conditioning
Home air conditioning serviceair conditioning installation cost
How much does air conditioning installation cost in London?
What drives the cost of air conditioning in a London home: rooms, pipe runs, roof access, freeholder fees and planning. With cited typical figures.
f gas certificate
How to check an air conditioning installer's F-gas certificate
How to check a London air conditioning installer is F-gas certified: company certificates, engineer qualifications and the Refcom and F-Gas Register.
air conditioning planning permission
Do you need planning permission for air conditioning in London?
When London air conditioning is permitted development and when it needs planning: heating vs cooling only, flats, conservation areas and noise rules.
air conditioning barnet
Air conditioning in Barnet and Hampstead Garden Suburb
Air conditioning for Barnet homes: when Finchley and Hendon semis are permitted development, two units on detached houses, and the extra HGS Trust consent.
air conditioning planning permission conservation area
Air conditioning in a London conservation area: what is allowed
Can you fit air conditioning in a London conservation area? The street facing rule, rear lightwells, mews and roofs, with Kensington and Chelsea examples.
air conditioning listed building
Air conditioning in a listed building in London
Air conditioning in a listed London home: listed building consent, why permitted development does not apply, and discreet routes in Georgian terraces.
how noisy is an air conditioning unit outside
How loud is an air conditioning outdoor unit? Noise and neighbours
How loud an air conditioning outdoor unit is, how the 37 dB(A) neighbour test works, and where to put a unit in a narrow Fulham or Hammersmith garden.
Air con for flats
Air con for flats serviceair conditioning without outdoor unit
Air conditioning without an outdoor unit: does it work in a London flat?
All in one air conditioners need no outdoor box, just two wall holes. How they compare with split systems for Camden and Bloomsbury flats.
air conditioning in flats
Can I install air conditioning in my London flat?
Yes, usually, but London flats need freeholder consent, a legal spot for the outdoor unit and often planning. The steps in order, explained plainly.
best air conditioner for london flat
The best type of air conditioning for a London flat
Which air conditioning suits your London flat? Converted terraces, council blocks, mansion flats and new builds compared, with Islington examples.
can i install air conditioning in a leasehold flat
Air conditioning in a leasehold flat: getting freeholder consent
How to get freeholder consent for air conditioning in a London leasehold flat, from the lease clause to the licence for alterations. Mansion block tips.
can install aircon in rental flat
Can you get air conditioning in a rented flat in London?
Air conditioning in a rented London flat: asking your landlord, freeholder consent, who pays, portable options and what Hounslow renters face.
Bedrooms and lofts
Bedrooms and lofts serviceair conditioning unit for bedroom
Bedroom air conditioning in London: sleeping through a heatwave
How to choose bedroom air conditioning for a London home: night noise, sizing, airflow and windows you cannot open under the Heathrow flight path.
loft conversion air conditioning
Air conditioning for a loft conversion in London
Cooling a hot London loft conversion: why dormer lofts overheat, sizing the unit, pipe routes through the eaves and where the outdoor unit can go.
air conditioning for home office
Air conditioning for a home office or garden office
Cooling a home office or garden office in Ealing: afternoon sun, screens and daytime heat, small split systems, power supplies and planning.
Office and commercial
Office and commercial servicetm44 inspection
TM44 air conditioning inspections explained
TM44 air conditioning inspections for London offices and shops: the 12kW threshold, five yearly energy assessor visits and how it differs from servicing.
ceiling cassette air conditioning
Ceiling cassette or wall mounted air conditioning for an office?
Ceiling cassette or wall mounted air conditioning for a City of London office: grid ceilings, open plan floors, meeting rooms and landlord rules.
server room air conditioning
Server room and comms cupboard air conditioning
Cooling a server room or comms cupboard in a London office: year round running, sizing for equipment heat, resilience, condensate and landlord approval.
office air conditioning london
Office air conditioning in London: landlord consent and planning
Adding air conditioning to a London office: licence for alterations, what landlords ask for, planning for commercial plant and working in City buildings.
Split systems
Split systems servicebest portable room air conditioner
Portable or split air conditioning: which is better in London?
Portable or split air conditioning for a London flat or house: cooling, noise, sash windows, running costs, renting and when a portable makes sense.
r32 refrigerant
R32 refrigerant explained for London homeowners
What R32 refrigerant is, why most new split air conditioners use it instead of R410A, safety, leaks and what it means for older systems in London homes.
quietest air conditioning unit
What is the quietest air conditioning unit for a London home?
How to find the quietest air conditioning for a London flat or house: indoor night mode figures, outdoor sound power, and Westminster's strict noise rules.
Multi split systems
Multi split systems servicemulti split air conditioning
Single split or multi split air conditioning?
Single split or multi split air conditioning for a London home: permitted development limits, efficiency, faults, cost and when to choose each.
multi room air conditioner
Whole house air conditioning for a London family home
Planning whole house air conditioning for a Richmond, Twickenham or Barnes family home: zones, one or two outdoor units, heating, pipe routes and planning.
Air to air heat pumps
Air to air heat pumps serviceheat pump air conditioner
Can you use air conditioning for heating in winter?
Using reversible air conditioning to heat an Ealing or west London home: heat mode, defrost cycles, sizing for winter and replacing radiators.
air to air heat pump grant
Is there a grant for air to air heat pumps? The Boiler Upgrade Scheme in 2026
The £2,500 Boiler Upgrade Scheme grant for air to air heat pumps explained for London homes: who qualifies, the MCS installer gap and what to do now.
air to air heat pump running costs
Air to air heat pump running costs: how to work them out
How to estimate air to air heat pump running costs for a Barnet or north London home: heat demand, SCOP, your electricity rate and what changes the result.
air to air heat pump vs air to water
Air to air vs air to water heat pumps: which suits a London home?
Air to air or air to water heat pump for a London home: radiators, hot water, cooling, outdoor space, planning and Boiler Upgrade Scheme grants.
Servicing and maintenance
Servicing and maintenance serviceair con servicing
What happens during an air conditioning service?
A step by step look at a home air conditioning service in a Camden flat or house: filters, coils, drains, refrigerant checks, access and the report.
air conditioning cleaning
Why does my air conditioning smell? Cleaning a home system
Musty, damp, burning or chemical smells from home air conditioning in London: what each one means, safe filter cleaning and when to call an engineer.
how often should air conditioning be serviced
How often should air conditioning be serviced?
How often to service home and office air conditioning in London: yearly spring checks, filter cleaning, warranties and the F-gas leak check threshold.
Repair and regassing
Repair and regassing serviceair conditioning leaking water
Why is my air conditioning leaking water inside?
Air conditioning dripping water indoors in a London flat: blocked drains, failed pumps, iced coils, what to do now and protecting the flat below.
why is my air conditioning not cooling
Why is my air conditioning not cooling?
Air conditioning running but not cooling in a London flat or office: checks to do first, glass tower heat gain, refrigerant leaks and when to call.
home air conditioning regas cost
Does home air conditioning need a regas?
Car regas versus home air conditioning: why a sealed split system should not need topping up, what low refrigerant means and the UK F-gas rules.