Air conditioning in Islington

We install, service and repair air conditioning across Islington, from Archway and Highbury to Angel, Barnsbury, Canonbury and Clerkenwell. Around half the borough is in a conservation area, and the council's planning guidance is specific about where outdoor units can go.

Georgian brick terraced houses with sash windows and iron railings on a quiet tree-lined London street
conservation areas in Islington
42
listed buildings (council figure)
About 4,500
of the borough is in a conservation area
About half
notice for most bay suspensions
14 days

Islington's homes

Islington grew from a group of villages into a Victorian suburb, and its Local Plan describes significant Georgian and Victorian heritage. The council's 2025 Climate Action guidance counts around 107,800 homes and notes that many of the borough's buildings were built before 1919.

In the 2021 Census, about 84 in 100 Islington households lived in a flat, and about one in five lived in a converted or shared house: a terrace or villa split into flats. Georgian and early Victorian terraces line Barnsbury, Canonbury and the streets around Angel. Highbury, Holloway and Tufnell Park have more Victorian terraces and villas, and there are large council estates across the borough.

Many terraces have a butterfly roof hidden behind a front parapet, and a rear flat roof or back addition. Those are often the best places for an outdoor unit, out of sight from the street.

What Islington's guidance says about outdoor units

The council's Climate Action Supplementary Planning Document (September 2025) has a section on air source heat pumps, which is what air conditioning that heats counts as in planning terms. It says the outdoor unit should go at the rear of the property or on a flat roof, placed to keep it out of public views.

On a flat roof, units must not sit within 1 m of the edge. The guidance names the middle of a flat roof, or beside the chimney on a butterfly roof, as ideal low-profile spots. A street-facing position is only considered if the rear and the roof really aren't feasible, and then the unit must be as discreet as possible.

For a home applying for one or two units, Islington doesn't ask for a full noise assessment if you send the model, the manufacturer's data sheet and confirmation it meets the MCS standards. The guidance says a noise condition of 42 dB(A) at 1 m from the nearest noise-sensitive facade is likely. We give you the data sheet for the model we quote.

Cooling counts as active cooling

Islington's Local Plan, adopted on 28 September 2023, treats air conditioning as a last resort. Policy S6 sets a cooling hierarchy: reduce heat generated inside, keep heat out with shading and insulation, use thermal mass and high ceilings, then passive ventilation, then low energy mechanical ventilation.

The Climate Action guidance says the cooling from an air-to-air heat pump counts as active cooling. So where a planning application is needed, you should show that the steps higher up the hierarchy have been used first. If the unit is permitted development, no application is needed and these policies don't come into it.

Islington homes and how we approach them

Type of homeTypical areasHow we approach it
Georgian terracesBarnsbury, Canonbury and around AngelOften listed or under Article 4. Outdoor unit on the rear flat roof or in the butterfly roof valley, pipes routed inside.
Victorian terraces and villasHighbury, Holloway and Tufnell ParkRear wall, back addition roof or garden. A multi-split serves several rooms from one outdoor unit.
Converted flatsAcross the boroughFreeholder consent first. Agree a rear or roof position that the other flats can live with.

Parking, the Congestion Charge and working hours

Islington is divided into controlled parking zones, and you can check yours by postcode on the council's website. For a bay suspension, Islington asks for at least 14 days' notice, or 10 days for pay-by-phone bays. The first day costs £164.80 for residents or £320 for businesses, covering as many spaces as needed, with a daily charge per space after that. If your job needs one, the fee is on your quote.

The south of the borough, around Clerkenwell and Farringdon, is inside the Congestion Charge zone, whose northern edge runs along Pentonville Road and City Road. Most of Islington is north of that line and outside the zone. The ULEZ covers all of London.

Islington's code of practice for construction sites allows noisy work from 8am to 6pm on weekdays and 8am to 1pm on Saturdays, with none on Sundays or bank holidays.

Offices, studios, shops and restaurants

Clerkenwell, Angel and Upper Street mix offices, studios, shops and restaurants, many in older buildings. We fit wall units, ceiling cassettes and multi-room systems, and service and repair existing systems in business hours.

The Local Plan says rooftop plant enclosures must not be visible from the public realm, so we look for rear yards, lightwells and hidden roof positions first, and give you the drawings and sound data for the application.

Prices in Islington

Our standard London prices. Business prices are plus VAT. Planning fees, roof access, enclosures and long pipe runs are quoted after the survey.

  • A bedroom or study

    2.5 kW wall unit, 5 m pipe, fitted in a day

    from£1,850inc. VAT
  • A living room

    3.5 kW wall unit

    from£2,050inc. VAT
  • Two rooms, one outdoor unit

    Multi-split

    from£3,650inc. VAT
  • Three rooms

    Multi-split

    from£5,100inc. VAT
  • Commercial wall unit

    Fitted in business hours

    from£1,795+ VAT
  • Ceiling cassette

    In a suitable suspended ceiling

    from£2,750+ VAT
  • An annual service

    Keeps the manufacturer warranty valid

    from£119inc. VAT

Neighbourhoods we cover

We work across the whole borough, including:

  • Angel, Barnsbury and Pentonville (N1)
  • Canonbury, Highbury and Newington Green (N1, N5)
  • Holloway, Tufnell Park and Archway (N7, N19)
  • Upper Holloway and Highgate Hill (N19, N6)
  • Finsbury Park and Stroud Green (N4)
  • King's Cross and Caledonian Road (N1, N7)
  • Clerkenwell, Finsbury and St Luke's (EC1)

Islington questions

Do I need planning permission for air conditioning in Islington?

Not always. A heating-capable unit on an unlisted house can be permitted development if it meets every national rule, including not facing a road in a conservation area. Listed buildings, business premises, Article 4 properties and blocks of flats that already have a heat pump usually need permission. If in doubt, ask Islington before work starts.

Where can the outdoor unit go on an Islington terrace?

Islington's guidance prefers the rear of the property or a flat roof, kept at least 1 m from the roof edge. On a butterfly roof, beside the chimney is a good low-profile spot. The front is only considered when the rear and the roof aren't feasible.

Does Islington need a noise report for home air conditioning?

For one or two units on a home, the guidance says a full noise assessment isn't needed if you provide the model, the manufacturer's data sheet and confirmation it meets the MCS standards. A noise condition of 42 dB(A) at 1 m from the nearest noise-sensitive facade is likely.

Can I install air conditioning in a listed Georgian house in Barnsbury or Canonbury?

Possibly, with listed building consent and planning permission. Hidden roof or rear positions and internal pipe routes give the best chance.

Can you work in my Clerkenwell office?

Yes. We fit, service and repair office systems in business hours. Commercial wall units start from £1,795 plus VAT and ceiling cassettes from £2,750 plus VAT. Clerkenwell is inside the Congestion Charge zone, so we plan the visit around access and parking.

Need planning permission in Islington?Check your postcode against official conservation area and Article 4 data in seconds.