Should I insulate my commercial property?

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Should I insulate my commercial property?

Most of our insulation work is on domestic properties, but from time to time we do get requests to quote for many other types of building – from offices, to hospitals, to shops. For most businesses the key factor in any improvement works is how quickly it will pay back. How long does it take to see a return, and does that make it worth the investment? In the domestic sector, whilst payback is really important, factors like appearance and comfort are equally important.

Cost benefit and a full survey

External insulation is a big investment, even for a good sized business. So you need to make sure that it is all going to be worth it. Be Constructive can carry out a full survey of your building and let you know not just the savings that you will make, but can provide a feasibility study and cost benefit analysis to let you make the most informed decision possible about the choices for your property.


Some potential costs you will need to factor in (other than the cost of the works) is the disruption to your business that might be caused by the works. For a home, external work usually causes fairly minimal disruption, but for a business, scaffolding and workers on the outside of a building can create a number of issues for the daily running. You need to factor the impact of this into the decision.


There are plenty of benefits that you can consider other than the obvious payback from energy savings, however. Insulating your property is going to help strengthen your green credentials and reduce your CO2 emissions. It also gives you the chance to carry out other remedial works at the same time at a reduced cost.

There are plenty of other very specific benefits to certain industries. For an office or other space that requires cooling during the summer, you are going to save considerably on your electricity and not just on the heating. Insulation helps keep spaces cool when the outside air temperature is higher than inside, so your air conditioning costs will be lower.

Thermal comfort is not as straightforward as you think. Improving the internal temperature, cutting out draughts and evening out the temperature to avoid spikes of heat or cold will make a big difference to the workforce inside – reducing sick days, improving performance and overall worker satisfaction. From working in my fair share of offices over the years, I can tell you that the temperature and internal environment are a constant talking point, and it really improves the company relationship with staff if they feel you are improving their wellbeing.

Practical considerations – insulating a commercial building

When you are insulating a larger building – be it a block of flats or a commercial property – there are various things you need to do differently than a house. For starters, any building over 3 storeys is going to either be insulated in rock wool insulation or use rock wool firebreaks at each level to meet fire safety regulations. Mineral wool simply singes when in contact with fire, whereas EPS melts. On a low-rise building this isn’t such a problem, but with a high-rise you need to prevent molten blobs of polystyrene from raining down on the street below!

You may also need to look at how the insulation is finished. On a house, render is the best option as the maintenance is low. On a high rise, meeting the warranty requirement of painting every 10 years could create an expensive legacy in some cases, so you might opt to use a metal cladding for example, rather than a render finish.

These are the sorts of considerations that we will take into account on a site visit and we can provide a full report to you of your options and the various costs, benefits and paybacks. So don’t feel that external insulation is only for homes; it is a really good option for a number of commercial spaces.

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