We now install air conditioning units in Chelsea!

Potentially yes, but a listed building designation requires Listed Building Consent for any works affecting the character or fabric of the building, and the scope of what is permissible varies. Air conditioning is not automatically prohibited in listed buildings, but the placement of external units, penetrations through original fabric and the visibility of any internal components are all factors that the local planning authority will consider. We can advise on what is typically possible and what the application process involves.

You will need written consent from the freeholder or managing agent before any work that involves the exterior of the building, including positioning an outdoor condenser on a communal wall or shared roof space. Some Chelsea blocks have detailed rules governing contractor access, permitted working hours and acceptable installation methods. WPJ Heating is familiar with these requirements and can advise on how to approach the consent application and what information the managing agent is likely to need.

In many cases very achievable, though it depends on the layout and construction of the property. In a flat where some redecoration is planned, pipework can be concealed within chases in the wall or behind new boxing, leaving only the indoor unit and grilles visible. In a fully finished flat we can discuss what is practically possible and identify routes that minimise surface impact. We cover this specifically during the survey.

Glazed canopies and roof terraces with overhead glazing can generate extremely high heat loads, and a wall-mounted unit with sufficient capacity for the glazed volume is usually the starting point. We assess the specific dimensions, glazing specification and how the space is used before making a recommendation. Capacity is particularly important here because an undersized unit will run continuously without achieving a comfortable temperature.

The rooms with the highest heat gain are the most obvious starting point, which in a Chelsea townhouse typically means south or west-facing bedrooms on upper floors and any room with significant glazing. The principal bedroom is frequently the most common single-unit installation in townhouses because it affects sleep quality most directly. Beyond that, a home office or upper reception room with significant afternoon sun is often the next priority. We discuss this during the survey and help you identify where the investment makes the most practical difference.

Basement and lower-ground flats in Chelsea can be more challenging in terms of condenser placement, but solutions exist. Units can sometimes be positioned within a light well, on a ground-level plinth in a front area, or in a shared courtyard where the freeholder permits it. We assess all available options during the site survey, discuss what the freeholder is likely to accept and confirm whether the installation is feasible before any commitments are made.