The article "Whatever happened to Peabody's prefab?" (18 July, page 15) said that high winds and proximity to railway lines contributed to the delayed completion. This is not true.
Inner city brownfield sites tend to be prone to problems and this one has been no exception. The site is extremely difficult and some of what the design team attempted to do was untried in the construction industry.

Postscript

Dickon Robinson, Peabody Trust, London, via email.