Researchers looking at the health impacts of insecure or low quality housing suggest that renting privately could be harmful to the health and argue this should be considered when developing housing policies.

To test the possible health effects, researchers from Essex University looked at a biological marker known as C-reactive protein (CRP) which is found at elevated levels in the blood in response to stress, injury and infection.

Tests for elevated CRP levels are used to diagnose those at risk of heart disease, or chronic inflammatory conditions such as IBS or arthritis.

“Higher CRP, indicating worse health, is found among those living in the private rented sector,” said Dr Amy Clair, of the Institute for Social and Economic Research, author of the study published in the Journal of Epidemiology and Community Health.

“This finding supports arguments for greater consideration of the negative effects of the current private rented market in the UK, characterised by greater insecurity, higher cost and lower quality than is typically found in other tenures.”

The study used blood samples and housing interviews with 9,593 adults aged over 21 and found one in five (22 per cent) had elevated levels of CRP – above the threshold of three milligrams per litre associated with heart disease.

However, levels were higher in people living in affordable housing (1.1mg/l), followed by private renters (0.8mg/l). Those who owned their home or had a mortgage had CRP levels below 0.6mg/l.

Similar patterns were found in those receiving housing benefit, having nearly twice the level of CRP as those not receiving benefits.

These differences were evident even after the authors controlled for respondents’ obesity levels and smoking status, factors closely associated with socioeconomic deprivation which might also increase CRP. 

However, this research cannot prove that housing caused the rise directly, and it is likely that a variety of linked factors contribute to it.

Previous studies have linked access to parks and outdoor spaces with housing and health issues, and this may also account for some of the findings, Dr Clair added.

“The significant findings for housing type and tenure point to an influence of autonomy and control,” she said. “Where control is low, the sense of security is reduced, which may affect health through chronic stress responses.”

The Independent

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