Air conditioning in Streatham
Need air conditioning in Streatham, Streatham Hill or Streatham Common? We fit systems in mansion flats, converted villas, terraces and the shops and restaurants along the High Road. In a district where three homes in four are flats, we start with the lease and the freeholder, then make the room comfortable in both seasons.
Get a Streatham quote
Name, number and postcode. We ring you to go through it.
- Postcodes SW16, SW2
- Lambeth Council
Why does almost every Streatham job start with the freeholder?
Because of the numbers. In the 2021 Census, 51.6% of Lambeth's 134,688 households lived in purpose-built flats and another 20.6% in houses divided into flats, which together is three households in four. The outside wall of a flat belongs to the building, so the freeholder or managing agent has to agree to a bracket, a cored hole and a unit on the elevation, and the lease decides whether they can refuse. A leaseholder who starts with a licence to alter saves weeks. The flats guide explains the process and the charges. Sources: Census 2021; LEASE.
What do the conservation areas say about plant on walls?
Quite a lot. Lambeth's Streatham High Road and Streatham Hill conservation area, designated on 7 December 1999 with its boundary revised in January 2024, describes two ancient routes into London lined with late 19th-century shops, 20th-century entertainment buildings and residential mansion blocks. The Leigham Court Road (North) appraisal, covering mid-19th-century villas many of which were divided into flats, notes that plant and equipment there are generally unobtrusive and discreetly located, and lists equipment on elevations among the threats to the area's character. Inside either area, an outdoor unit on a road-facing wall is out under permitted development, and even a rear position should be chosen with the appraisal in mind. Sources: Lambeth Council; Leigham Court Road appraisal; Planning Portal.
What changed for shared houses in Streatham in 2025?
Lambeth made an Article 4 direction for two Streatham wards only. Since 11 August 2025, turning a house into a small house in multiple occupation needs planning permission in Streatham Common & Vale and Streatham St Leonard's, after a direction made on 7 August 2024 and confirmed on 24 July 2025. It does not affect cooling directly, but it marks the streets where landlords own the walls and tenants need written consent before any work. Source: Lambeth Council.
What do we do in Streatham?
Every service on this site is available in Streatham. Choose one to read what the job involves.
Air conditioning installation in Streatham
A survey, a written price, then units, pipework and electrics fitted properly.
Home air conditioning in Streatham
Bedrooms, top-floor flats and loft rooms, with heating thrown in.
Air-to-air heat pumps in Streatham
Cheaper warmth than a plug-in heater, and cooling from the same box.
Multi-split air conditioning in Streatham
Two to four rooms from one outdoor unit, each on its own controller.
Conservatory air conditioning in Streatham
Turns a glass room you use in May into one you use in August and January.
Office air conditioning in Streatham
For offices where people, screens and south-facing glass make the heat.
Commercial air conditioning in Streatham
Shops, cafés, salons, bars and restaurants, with the flats upstairs in mind.
Server room cooling in Streatham
A unit of its own for the rack, sized from the power the kit draws.
Air conditioning servicing in Streatham
A yearly check on any make, with the legal leak test where it applies.
Air conditioning repairs in Streatham
Stopped cooling, dripping, iced up or flashing a code: diagnosed first.
What happens next?
You tell us about the room
Ring 020 8194 3009 or send the form with a postcode, and say which room runs hot, and whether you own the outside wall.
We survey the building
We measure the room, find a place for the outdoor unit, check the electrics and ask about the lease or the freeholder. You get a written price with the electrics itemised.
Consents come first
If a freeholder, a landlord or the council has to agree, that happens before anything is drilled. We supply the drawings and the sound figures they ask for.
We fit, test and show you the controls
Units, pipework and the new circuit go in, the system is pressure tested, evacuated and charged, and you leave with the certificates. A yearly service keeps it right.
Asked in Streatham
Can a mansion block flat have air conditioning at all?
Sometimes, if the freeholder allows a unit on a rear elevation or a flat roof and the sound test passes. Where they refuse, a monobloc unit is the fallback, and it still needs their consent for the two wall grilles.
Is Streatham Hill in your area?
Yes, up to Brixton Hill. We cover SW16 and the Streatham end of SW2, and Norbury on the Croydon side of the boundary.
The restaurant I run on the High Road has flats above. Does that stop the job?
No, but it shapes it. The outdoor unit has to pass the noise calculation at their windows and go through planning as a commercial installation. See commercial air conditioning.
Where these facts come from
- Census 2021: accommodation type in Lambeth
- LEASE: do I need my landlord's permission to alter my flat
- Lambeth Council: Streatham High Road and Streatham Hill conservation area
- Lambeth Council: Leigham Court Road (North) conservation area appraisal (2016)
- Planning Portal: heat pumps on houses and flats, permitted development
- Lambeth Council: Article 4 direction on small HMOs in Streatham
Useful to have ready
With these we can give you a straight answer on the first call.
- Your postcode
- Flat, house or business premises
- Who owns the outside wall, if you lease or rent
- Which room, roughly how big, and which way the window faces
- Any conservation area or listing you know of
Get a Streatham quote
Leave your postcode and a line about the room, and we ring you. Or ring 020 8194 3009.