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Air conditioning for Ascot homes: an honest starting point

Ascot's larger houses are lovely for most of the year and hard work in a heatwave. Big rooms, big glazing and long summer afternoons add up. Here's what cooling an SL5 home actually involves — and, candidly, where we're up to in this part of Berkshire.

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Why Ascot houses get so warm

Much of the housing in and around Ascot, Sunninghill and Sunningdale is large and detached, sitting in generous grounds. That sounds like the opposite of a heat problem, but big houses have their own version of it: plenty of glazing, often facing the sun through the afternoon; open-plan kitchen extensions with a lot of glass; and converted lofts or upstairs studies that sit directly under the roof and trap heat. By evening, the upstairs of a substantial house can be noticeably warmer than downstairs — and once the sun has been on the roof all day, mature trees in the garden do little for the bedrooms.

What it costs depends less on the badge on the unit than on how many rooms you want to cool, where the outdoor unit can go, and how far it sits from the indoor ones. Rather than quote figures that may not survive a proper survey, our cost guide walks through what actually drives the price. One thing worth knowing: a modern split system is a reversible air-to-air heat pump, so it can heat rooms efficiently in winter as well — though it isn't covered by the Boiler Upgrade Scheme, which applies to air-to-water systems only.

Planning and electrics: two things to check first

The Ascot area is split between two councils — the Royal Borough of Windsor and Maidenhead and Bracknell Forest — and which one covers you depends on exactly where you live, so it's worth checking before you plan anything. If your home is listed, or in or near a conservation area, talk to the council before an outdoor unit goes up. Don't assume a rear wall screened by trees is automatically fine; the rules turn on the property itself, not on whether the unit can be seen from the road.

Electrics are the other thing. Larger houses that have grown through extensions over the decades sometimes have a consumer unit that needs upgrading before new circuits can be added. An electrical condition report (EICR) from a qualified electrician tells you where you stand, and our guide on whether your electrics can handle air conditioning explains what to look for before anyone quotes you.

Where Coolhouse is up to in Ascot

Straight answer: our vetted installers currently work in St Albans and Harpenden, and we're building the network out from there. We won't pretend we can get someone trusted to SL5 next week, because right now we can't. What we can do is take your details, tell you honestly where we're up to, and connect you the moment we have an installer we'd be happy to send into your home. Register your interest here and we'll be candid either way — including telling you if a good local firm is the faster route in the meantime.

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