Following the Grenfell Tower tragedy, the UK government has established a new Building Safety Programme to ensure that residents of high-rise and mid-rise residential buildings are safe, and feel safe from the risk of fire, now and in the future.

From the findings outlined in the report, the costs to alleviate external wall system life-safety fire risks for leasehold dwellings in mid-rise residential buildings is estimated to be between £3.1 billion and £5.3 billion.

This Data Release provides estimates on: the total number of mid-rise (between 11 metres and 18 metres in height) residential buildings in England; the proportion of mid-rise residential buildings that require remediation, partial remediation and mitigation to alleviate life-safety fire risks from external wall systems; the costs of funding the alleviation of life-safety fire risks of leasehold dwellings in mid-rise residential buildings, in England.

The estimates in this Data Release have been calculated using a sample survey of 2,856 mid-rise (11 – 18 metre) residential buildings in England. Ordnance Survey Address Base data was used to produce the sample, and in estimating the population of mid-rise residential buildings in England.

DLUHC hired an expert contractor to complete desk-based surveys on the sample, to assess the probable life-safety fire risk of the external wall system on each building.

DLUHC’s pilot study estimates 7-9% of residential midrise buildings containing dwellings in England require external wall system remediation to alleviate life-safety fire risks. A further 1% are estimated to require partial remediation and 0.5-1% are estimated to require mitigation measures to alleviate life-safety fire risks.

It is estimated that between 6,220 and 8,890 mid-rise residential buildings, containing dwellings, require remediation, partial remediation or mitigation to alleviate life-safety fire risk, of a building population of 71,000 – 79,000 in England.

Of the 2,000 – 3,000 non-dwelling residential mid-rise buildings (hotels, student accommodation, sheltered accommodation), 8-12% (190 – 330 buildings) are estimated to require work to alleviate external wall system life-safety fire risks.

The full report can be found here.