Greater London · Air conditioning repair

Air Conditioning Repair in South Hampstead

Air conditioning repair in and around South Hampstead, from the first look to the final check with the price fixed before work begins.

  • A flashing light and a system that will not run
  • A suspected refrigerant leak
  • A unit that barely blows any air

Air conditioning repair across South Hampstead

Air conditioning repair for homes and businesses in South Hampstead

A sealed system shouldn’t lose refrigerant, so if it’s low, there’s a leak. Simply adding gas means it will leak away again. We locate the leak, repair it, test, evacuate and recharge, then record it in the F-Gas records. The work covers multi-split systems, VRF systems and ceiling cassettes, and the jobs we see most are weak airflow from the indoor unit and new noises from the system.

Air conditioning repairs in South Hampstead are often in flats, offices and shops, with outdoor units on balconies, rear walls or flat roofs. Telling us where the outdoor unit is and how we reach it saves time on the visit.

Looking after a system is mostly common sense: keep the outdoor unit clear, follow the manufacturer’s guidance on cleaning and book a service at the interval they recommend. It also keeps you on the right side of any warranty terms that ask for servicing.

Place
South Hampstead (NW3, NW8, NW6)
Wider area
Greater London
Quote
A fixed price before work begins
Certified
NICEIC and F-Gas
Guide price
Diagnosis from £75 + VAT
Telephone
07833 053749
Last updated
30 October 2026

Managing agents and facilities teams in South Hampstead

Whether it’s one property or many, you get the same standard: a look at the job first, a fixed-price quote, work booked with the occupier and written records afterwards.

Landlords, letting agents and managing agents book us, not only the people who live or work in the property. Tell us who the contact on site is and who should receive the paperwork, and we will keep everyone informed.

Leave it or put it right?

Small faults rarely stay small. A drip can turn into a damaged ceiling, and a slow leak can leave the compressor straining and early diagnosis normally keeps the repair simpler. Getting the work done in South Hampstead before summer avoids the busiest weeks.

Putting the work off seldom saves money. Small problems, from blocked filters to slow leaks, tend to get worse, and a struggling system uses more electricity to do less. If you are not sure what’s needed, ring us on 07833 053749 or email us for straight advice and a fixed price.

Why us?

  • Warranty terms set out brand by brand
  • Mitsubishi Electric, Daikin, Fujitsu, Panasonic, Toshiba and more
  • A reply the same working day
  • We diagnose before we treat

Take a look at what air conditioning costs or how to check a contractor.

Air conditioning repair in South Hampstead: the local picture

The Belsize Park Conservation Area lies close to the centre of South Hampstead, within about a third of a mile. Draw a one-mile circle round the middle of South Hampstead and it takes in 12 conservation areas. Belsize Fire Station, listed at grade II*, is one of roughly 123 protected buildings and structures in the half-mile around South Hampstead’s centre. For most visits that makes no difference. It only comes up when an outdoor unit has to be replaced on a protected building. Valuation Office Agency council tax records put about 47% of homes across South Hampstead and its surrounding area before 1919, and about 90% of households live in flats, according to the 2021 Census. Balcony, roof or high wall? Knowing where a flat’s outdoor unit is helps us bring the right access kit. In London, access to outdoor units on roofs and balconies can need planning, so tell us how to reach yours.

Near South Hampstead station, as anywhere, a photo of the error code on the controller is the quickest way to start a repair. When cooling fails at a school like The UCL Academy, we can time non-urgent repair work around lessons.

South Hampstead is about 1 mile south of Hampstead, in Greater London. South Hampstead gets the same approach as every job we take on: a look at the job first, a fixed-price quote and written records at the end. Count every place we list in Greater London and you reach 764, with South Hampstead on the list.

The closest recent job we can point to from South Hampstead was on East Hill, Wandsworth (SW18), about 6 miles south: installing a Daikin wall-mounted unit in the open-plan living area.

From Avenue Road, Acacia Road and Harben Road to the smaller roads in between, nowhere is left out. Work in NW3, NW8 and NW6 follows the same survey, fixed-price quote and written records as everywhere else we cover. Places around South Hampstead that are also on our list: Swiss Cottage (1 mile north), St John's Wood (1 mile south), Haverstock (1 mile east), Belsize Park (1 mile east) and Primrose Hill (1 mile east). Further out, we also cover London (4 miles south-east), Kensington (3 miles south-west), St Pancras (3 miles south-east) and Shoreditch (4 miles east).

Landmarks near South Hampstead

Around South Hampstead, our work takes us to homes and businesses near Cafe Med pub, St. Mary's Town and Country School and Holy Trinity CofE Primary School. Nearby too are Cecil Sharp House (1.1 miles east) and Primrose Hill (0.6 miles east). South Hampstead has its own railway station: South Hampstead station. Well-known places in the area include Isokon Gallery (0.8 miles north-east) and O2 Centre (0.5 miles north-west). Green spaces nearby include Adelaide Nature Reserve and The Long Water.

Map of South Hampstead © OpenStreetMap contributors

Questions from South Hampstead

Can you do air conditioning repair in South Hampstead?

Yes, South Hampstead is within the area we cover. Tell us a little about the job and we’ll take it from there.

How do I get a quote for air conditioning repair in South Hampstead?

Start with a short message: the address, what you need and a picture or two. Simple jobs can be priced from photos; otherwise we arrange a site survey and then give you a fixed-price quote.

Why is my air conditioning icing up?

It normally points to poor airflow or a refrigerant leak. A clogged filter, a fan problem or a leak are typical. Turn it off, let the ice melt and call us on 07833 053749 or drop us a line.

How long does the visit take?

We’ll confirm the time with your quote. In most cases, it takes as long as the fault needs, from a quick fix to a return visit for parts.

Do you provide F-Gas records?

Yes. You get a written record of each visit, and any work on the refrigerant circuit goes in the F-Gas records. File them with the system’s paperwork.

Are you F-Gas certified?

F-Gas company certification, NICEIC approval for electrical work and MCS certification for heat pumps, and we are Checkatrade members. Engineers who handle refrigerant hold their own F-gas qualifications as well.

What can I do with an old R22 system?

Servicing with new R22 is not allowed, because it depletes the ozone layer. A fault that doesn’t involve the refrigerant may still be repairable, depending on parts, but a refrigerant leak normally means replacement. We explain the options and quote for a new system if that is the answer.

What we do, step by step

Our engineers bring the tools, gauges and access equipment the job needs. You only need to give us clear access to the units, or their planned positions, and to the fuse board. The visit takes a single visit for many faults, while some repairs need a second visit once parts arrive. If a freeholder or agent needs to agree the work in South Hampstead, we can send them the details.

  1. You describe the fault, the make and any error code, ideally with a photo.
  2. At the property, readings and tests narrow the problem down to its cause.
  3. You get a plain explanation of the fault and a fixed price for putting it right.
  4. With your agreement the part is replaced or the fault put right, and refrigerant work goes in the F-Gas log.
  5. Before leaving, we run it through its modes and write up what was found and done.

Preparing for the visit

  • Tell us about parking and loading
  • Mention any managing agent or landlord rules we need to follow
  • Have the make and model of any existing unit to hand

Get a fixed-price quote

For a fixed-price quote, call 07833 053749 or use the quote form with the address and a few details about the rooms or units involved. Photos help a lot. You’ll hear back from us the same working day.

Get a quick quote

Read more

When something else is needed

Before booking, it helps to know what’s not included:

  • A refrigerant fault on an R22 system (new R22 cannot be used for servicing, so replacement is typically the answer)
  • Heat gains the system was never designed for
  • Cooling that falls short because the system is too small

If in doubt, phone 07833 053749, or email if that’s easier and we will say what we think.

Where we work

  • Wall-mounted split systems
  • Ducted systems
  • Heat pumps
  • VRF systems
  • Ceiling cassettes
  • Multi-split systems

What a customer said

“Office air con broke down in the July heatwave. Called at 8am, engineer was here by noon and fixed within 2 hours. Brilliant emergency response. They now hold the service contract for the whole building.”

James T., Crawley, office manager

F-Gas certified companyRefrigerant work done and recorded properly
NICEIC approvedElectrical work certified
MCS certifiedHeat pump installations
Checkatrade memberVetted trade directory
24/7 emergency lineBased in East Grinstead