Four environmental red flags to watch out for when buying your new home

Have you at any time contemplated getting an environmentally welcoming residence but located by yourself unsure of where to start out? I can relate if so, as I was in your sneakers about a 12 months in the past when I established out to acquire my first residence.

Amid the escalating weather crisis, there has been a noticeable shift in the direction of the construction of strength-productive households. The Uk governing administration aims to make all new homes very power successful with lower-carbon heating from 2035.

Nonetheless, for all those of us who want to are living in or in the vicinity of to a town centre, the options for new housing are pretty minimal. The solutions are current properties and residences, several of which had been developed a lot of a long time back without the need of much consideration for electrical power performance.


This report is aspect of Quarter Lifestyle, a series about concerns impacting individuals of us in our twenties and thirties. From the problems of commencing a occupation and using treatment of our mental health and fitness, to the pleasure of setting up a loved ones, adopting a pet or just producing buddies as an adult. The articles or blog posts in this series explore the inquiries and provide solutions as we navigate this turbulent period of daily life.

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As a leading professional in web zero, I believed I had all the needed awareness to make the ideal selections. But, swayed by my thoughts, intuition, the locale and beautiful views, I created some high priced errors. These provided picking out a listed property with no insulation, solitary-glazed windows, and a heating program in dire want of an improve.

Nevertheless, these missteps have offered me with invaluable lessons that can be of advantage to you, if you’re in the current market for a new dwelling. Right here are 4 telltale signs that suggest a home is not as eco-friendly as it could be.

Panoramic skyline view of London with traditional brick houses in the foreground.
New housing is tougher to come by shut to town centres.
ZGPhotography/Shutterstock

1. Solitary-pane windows

In accordance to a 2011 study carried out by the Chartered Institute of Setting up, a world wide development administration and leadership organisation, a typical dwelling in the Uk loses 10% of its warmth by way of its windows and 15% as a result of external doorways. That’s a good deal of warmth.

So, it’s vital to fork out consideration to the windows of your future home. Search out for single-pane windows and any gaps between the frames that could guide to draughts.

The fantastic news is that you can enhance thermal ease and comfort and minimize electrical power prices by picking out the proper windows and frames. Setting up A-rated double glazing to home windows in a single-glazed, semi-detached home in the United kingdom could conserve you £155 a yr in strength charges and 375kg of carbon dioxide emissions.

2. Chilly walls

A poorly insulated house can outcome in pointless electricity consumption much too. In reality, a conventional Uk household loses somewhere around 35% of its warmth as a result of the partitions and 15% as a result of the roof.

It is challenging to see insulation, but you can check by emotion the partitions. If you detect chilly places, especially for the duration of the wintertime, it could be indicative of poor insulation.

When in doubt, consulting the power functionality certification of the property you are considering getting is a sensible stage. This must inform you if there is insulation, what form of insulation it is (insulation manufactured from natural elements like wooden fibre or sheep’s wool is the greatest eco choice), and how suitable it is for your area.

My individual analysis indicates that Scottish homes with good insulation are 24% more very likely to preserve an indoor temperature concerning 20°C and 25°C, and practical experience a 67% reduced chance of overheating (exactly where the indoor temperature exceeds 25°C). But even with this actuality, little much more than 50 percent (52%) of Uk dwellings had cavity or good wall insulation in 2021.

Close-up of worker hands in white gloves insulating.
Check out the walls for insulation.
Bilanol/Shutterstock

3. Aged boilers

When you’re searching at a home, just one of the first issues to question should be irrespective of whether you can check the boiler or heating method. If the radiators fail to warmth up, you face rattling or banging noises, or detect uncomfortable smells from the boiler, then it possibly requires replacing.

On ordinary, heating and hot water accounts for over 50 % of what you expend in a yr on electrical power expenditures, so having a fantastic boiler is crucial. Modern boilers are additional effective than more mature ones, in part since they are “condensing”. This signifies they get well heat from the exhaust gas and use it to warmth the central heating drinking water.

Make certain you thoroughly look at the property’s thermostat and boiler features. Sure boilers are OpenTherm compatible, meaning they can talk with a clever thermostat, thereby maximizing a home’s temperature regulation.

An additional heating process you might want to appear for are heat pumps. These are far a lot more successful than conventional heating systems and ideally suited for properly-insulated homes. But, as with electric boilers, the carbon discounts involved with warmth pumps will rely on how green the electric power is that powers them.

4. Leaky radiators

Radiators are the regular way we distribute warmth all-around our residences. Nonetheless, older radiators may possibly comprise blockages that outcome in uneven temperature distribution and, in some cases, no warmth at all.

Examine the radiators closely. Lookup for any signs of drinking water leakage close to the radiators and listen for unconventional noises whilst the heating system is running. If they glimpse to be a ten years old or much more, they may require to be replaced.

A leaking old rusty radiator in a home.
Appear out for h2o leaking from radiators.
Yevhen Prozhyrko/Shutterstock

Underfloor heating distributes heat a lot more evenly in the course of a dwelling than conventional radiators, all though running at a reduce temperature. One more likely far more environmentally pleasant substitute is electrical heating – but again, its sustainability in the end is dependent on no matter whether your power supplier works by using renewable electricity resources.

It is significant to observe that discovering a property with all the preferred eco-welcoming features could current a problem. On the other hand, some of these attributes, especially double-glazed home windows, are fairly uncomplicated to set up in most properties and will generate substantial advantages in the potential.