Air Conditioning Installation in Marlow
Discreet, conservation-aware cooling and heating for Marlow's Georgian, riverside and period homes.
- One person, survey to aftercare. Samuel surveys, leads the install and looks after it afterwards.
- Fitted properly. Five checks on every job, and every reading recorded.
- Looked after every year. Chillston Care books your Health Check service.
- Clear prices, up front. Shown on this page, and fixed in writing before anything is ordered.
- Your house treated with care. Dust sheets the whole way. If we mark anything, we put it right at our cost.
Prices
Single-room comfort
One discreet indoor unit for a bedroom, office or sitting room. Installed and commissioned in a day.
Whole-home multi-split
Two to five rooms from one quiet outdoor unit, designed around your home before we drill a hole.
Servicing & repair
Annual servicing for systems we fitted and ones we didn't.
Every installation carries our two-year workmanship guarantee, extended to five years while you’re a Chillston Care member.
There are two Marlows, and they need different installations
A Georgian house on West Street and a 1960s family home in Marlow Bottom are not the same job — different walls, different planning position, different places the outdoor unit can legally and sensibly go. We survey for the house in front of us.
Period property, conservation rules
The historic centre, the streets around the church and bridge, and the riverside houses. Beautiful, and genuinely more demanding to install in well.
- Much of the historic core sits within a conservation area, and a number of frontages are listed — which changes what is permitted and where
- Solid brick and flint walls that need slow, patient core drilling rather than a rushed hole
- Outdoor units sited out of view from the street — rear elevations, side returns, screened positions
- Riverside properties: plant mounted clear of ground level, with flood risk considered rather than ignored
- Narrow lanes and restricted parking — we plan van access at survey, not on the morning
Straightforward, and quicker
Twentieth-century family housing, garden offices and extensions. Usually the simplest kind of installation.
- Cavity walls that core cleanly, properly sleeved so you never get cold bridging or damp at the penetration
- Driveways and side access, so no parking problem and no carrying kit through the house
- Garden offices and converted lofts, the hottest rooms in summer and the coldest in winter
- Generally permitted development, though we still check your specific property before quoting
- Newer timber-frame builds fixed correctly, without compromising the breather membrane
What we expect to find in a Marlow wall
Core drilling is where a careless installer does damage they can't undo. Knowing what's likely behind the wall before the drill comes out is most of the job.
Solid brick
Georgian and Victorian, often nine inches or more, frequently in lime mortar. Drilled slowly and wet, with the internal face protected — rushing this is how you blow the plaster out on the inside.
Flint and chalk
Common in older Chilterns walls and the hardest to core cleanly — flint shatters and pushes the bit off line. It's a patient job, and one worth doing properly rather than quickly.
Cavity (1930s–1970s)
The easiest to drill and the easiest to get wrong. The penetration gets sleeved and sealed so the cavity keeps doing its job and you never see damp at the pipe run.
Modern timber frame
Newer builds and infill plots. Fixings go into structure, not board, and the breather membrane is sealed correctly afterwards.
Marlow-specific things we check before quoting
- Conservation area and listed status
- We confirm the position for your address before the quote goes out, rather than promising you it'll be fine. If consent is needed, we say so — and we'd rather lose the job than land you with an enforcement letter.
- Flood risk on riverside properties
- An outdoor unit sitting at ground level near the Thames is a unit with a shelf life. Where flood risk applies, we mount plant clear of the likely level and design the pipe run accordingly.
- Neighbour proximity and noise
- Marlow's older streets put houses close together. We site the outdoor unit with your neighbour's windows in mind, and tell you the sound level before you commit.
- Access and parking
- Some Marlow addresses simply can't take a van outside. We work that out at survey and plan around it, so install day isn't spent carrying condensers a hundred yards.
What changes the price
Every quote is a fixed price for your specific home, not a range we adjust later. These are the things that move it:
- Pipe run length — how far the room sits from the only sensible outdoor position
- Wall construction — solid brick and flint in the old town take considerably longer to core than Marlow Bottom cavity
- Access and parking — narrow lanes and restricted parking in the centre change how a day runs
- Electrical work — whether your consumer unit has a spare way, or a new circuit is needed
- Unit choice — the Perfera, or the Stylish or Emura, which cost more
- Consent — a listed house needs planning permission and listed building consent first; a conservation-area one occasionally needs permission
We'll tell you which of these apply at the survey — and the price we quote is the price you pay.
You won’t have to remember
We book your Health Check service every year.
Clean filters and coils, and leaks caught early, give the same comfort on less electricity: lower bills, lower carbon.
- Your yearly service record, which Daikin’s warranty asks for on systems we fit
- Members first when we’re busiest
- One call-out a year, no charge to attend
- 15% off repairs
- Our workmanship guarantee for five years, not two, on systems we fit
For one indoor unit, plus £3 a month for each extra unit.
That’s £144 a year: less than one £175 Health Check service on its own.
Cancel any time
Our first 50 members keep this price for as long as they’re members.
What people in Marlow ask us
Do I need planning permission for air conditioning in Marlow?
For most homes, no — but it depends on your specific property, not on the town. Listed buildings need planning permission and listed building consent, and homes in the conservation area, in flats, or with the unit visible from the highway need checking carefully. We confirm the position for your address as part of the survey, before you get a quote. The full guide to planning permission →
I'm in the conservation area — can I still have it?
Usually yes, with thought about where the outdoor unit goes. Rear elevations, side returns and screened positions are normally the answer. What we won't do is fit something we think will cause you a problem later and leave you to deal with it. The rules changed in May 2025 and conservation areas are less restrictive than most people assume. The full guide to planning permission →
Where would the outdoor unit go on a riverside property?
Clear of ground level wherever flood risk applies — wall-mounted or on a raised frame — and positioned so it's neither an eyesore from the garden nor a noise problem for the neighbours. We work this out at survey and show you the exact spot before anything is ordered.
Will it heat my garden office in winter?
Yes, and it's often the better reason to fit one. A modern system produces roughly three to four units of heat for every unit of electricity, which makes it considerably cheaper to run than a plug-in heater. It is not a replacement for your house's central heating — but for a garden room, loft or extension it's usually the most sensible option available.
How long does an installation take?
A single room is typically one day. A multi-room system is usually two or three. We give you a firm date, arrive when we said, and protect the house properly while we're in it.
Air conditioning for your Marlow home
We'll come and measure up, talk through options and positions, and follow up with a fixed written quote within 24 hours. No obligation, no pressure, no salesman.
Prefer to talk? Call 01494 312303
Or email a photo of the room and the outside wall to samuel@chillston.com.