Air conditioning in Potters Bar
We install, service and repair air conditioning in homes and businesses across Potters Bar and the villages around it. Here's how the town's homes, its two conservation areas, Hertsmere's planning rules and local parking affect an install.
- railway station opened
- 1850
- conservation areas in the town
- 2
- single room, from
- £1,850
- annual service, from
- £119
A railway town that grew in the 1930s
Hertsmere Borough Council traces modern Potters Bar to the railway. The station opened in August 1850 on what was then the London to Peterborough line. Suburban building peaked in the 1930s, when the population trebled, and two large council estates followed in the 1950s. Light industry arrived after the Second World War.
Fast growth left the town with two shopping areas, Darkes Lane and the High Street. For an install, that means a lot of interwar semis and detached houses, post-war estates, and flats near the two shopping streets.
Potters Bar's conservation areas
Hertsmere lists 15 conservation areas, two of them in Potters Bar. South Mimms, just outside the town, has its own.
| Conservation area | What it covers | Article 4 direction |
|---|---|---|
| Potters Bar, The Royds | Designated in 2000. All the houses in Oakroyd and Elmroyd Avenue and Close, and 48 to 86 and 53 to 63 Baker Street | Yes, confirmed in July 2015 for the Royds Estate |
| Potters Bar, Darkes Lane (West) | Designated in 2012. Takes in The Avenue, Heath Drive, Manor Way and Mountway | Ask the council |
| South Mimms | The village conservation area | Ask the council |
Check the council's conservation area maps for exact boundaries before you plan an outdoor unit.
Planning: Hertsmere Borough Council
Planning in Potters Bar is handled by Hertsmere Borough Council, at the Civic Offices on Elstree Way in Borehamwood.
A heating-capable unit on a house is often permitted development, with no application, if it isn't cooling-only, is no bigger than 1.5 m³ and passes the MCS 020(a) noise check of 37 dB(A) at neighbours' windows. A semi or terrace can have one heat pump. Our planning guide has the rest.
In The Royds and Darkes Lane (West), a unit can't go on a wall or roof facing a highway without permission. The council makes Article 4 directions where uncontrolled changes, such as extensions or new windows and doors, would harm an area's character. If you live on the Royds Estate, ask the council before any outside work. Since 17 January 2018, applications needed because of an Article 4 direction pay the normal fee.
A separate direction comes into force on 6 May 2027. It covers turning family homes into small houses in multiple occupation in four Potters Bar wards, and doesn't affect air conditioning. Listed buildings always need consent.
Potters Bar homes and what they mean for an install
| Type of home | Where | What it means for the install |
|---|---|---|
| 1930s semis and detached houses | Across the town | Rear wall or ground pad. A multi-split serves several bedrooms from one outdoor unit on a semi. |
| Post-war estate houses | Including the two large 1950s council estates | Usually permitted development and a simple install, often done in a day for one room. |
| Flats and maisonettes | Near Darkes Lane, the High Street and the station | Freeholder consent first. Permitted development allows one heat pump per block, with an outdoor unit up to 0.6 m³. |
| Houses on the Royds Estate | Oakroyd and Elmroyd Avenue and Close, Baker Street | Conservation area with an Article 4 direction. Talk to the council first and plan a rear position. |
Air conditioning for Potters Bar businesses
Shops, restaurants and offices line Darkes Lane and the High Street. The council protects the Cranborne Road and Station Close employment areas with Article 4 directions that stop offices and industrial units becoming homes without permission.
We fit wall units, ceiling cassettes and multi-split systems for offices, shops, restaurants, clinics, workshops and small server rooms. Commercial installs happen in business hours, and we can set up a maintenance contract or take over servicing from another installer.
Parking on install day
Hertsmere has controlled parking zones in Potters Bar, Borehamwood, Radlett and Bushey. As a general guide they run from 8am to 6.30pm, Monday to Saturday, but hours vary by zone. The council also handles parking suspensions and a commercial dispensation permit. If you live in a zone, tell us when you book so we can plan where the van parks. Hertfordshire is outside London's ULEZ.
What air conditioning costs in Potters Bar
Our starting prices are the same here as across Hertfordshire and London. Home prices include VAT. Business prices are plus VAT. The survey turns them into a fixed written price.
- from£1,850inc. VAT
A bedroom or study
2.5 kW wall unit, 5 m pipe, fitted in a day
- from£2,050inc. VAT
A living room
3.5 kW wall unit
- from£3,650inc. VAT
Two rooms, one outdoor unit
Multi-split
- from£5,100inc. VAT
Three rooms
Multi-split
- from£1,795+ VAT
Commercial wall unit
Fitted in business hours
- from£2,750+ VAT
Ceiling cassette
In a suitable suspended ceiling
- from£119inc. VAT
An annual service
Keeps the manufacturer warranty valid
- from£125inc. VAT
Repair diagnostic visit
First hour on site, deducted if you go ahead
Areas and postcodes we cover
We cover the whole town and the places around it, including:
- EN6: Potters Bar, including Bentley Heath, The Royds, Furzefield, Oakmere and Parkfield
- EN6: South Mimms, Little Heath, Brookmans Park, Northaw and Cuffley
- Nearby: Borehamwood and Hatfield
Potters Bar questions
Do I need planning permission for air conditioning in Potters Bar?
Often not. A heating-capable unit on a house can be permitted development if it meets the size, position and noise limits. You'll need permission for a cooling-only unit, a listed building, or a unit facing the road in The Royds or Darkes Lane (West). Applications go to Hertsmere Borough Council.
I live on the Royds Estate. Can I still have air conditioning?
Usually, with care. The Royds is a conservation area with an Article 4 direction, so speak to the council before any outside work. A rear position, out of sight from the street, is the usual answer. We give you the unit's size and sound data for any application.
Does the new HMO rule affect my air conditioning?
No. The Article 4 direction that starts on 6 May 2027 covers changing a family home into a small house in multiple occupation in four Potters Bar wards. It doesn't change the rules for heat pumps or air conditioning.
I want to cool three bedrooms in my 1930s semi. How does that work?
On a semi-detached house, permitted development allows one heat pump. A multi-split solves that: one outdoor unit serves up to three or four indoor units. Three rooms start from £5,100 including VAT. We survey the pipe routes first.
Can I fit air conditioning in a flat near Darkes Lane?
Sometimes. You'll need the freeholder's written consent whatever the planning position. Permitted development allows one heat pump per block of flats, with an outdoor unit up to 0.6 m³. If the block already has one, a planning application is needed.
How much is a service for an existing system?
An annual service starts at £119 including VAT, plus £59 for each extra indoor unit on the same visit. Regular servicing keeps the manufacturer's warranty valid. A repair diagnostic visit is £125, deducted if you go ahead.