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Residential development

Five three bedroom houses, one scheme

Five houses on one site, procured under one contract and built at the same time. Small enough that nobody expects a commercial problem, which is exactly why they tend to arrive.

The scheme

Five plots that look identical and are not

Houses on a single site are rarely as repetitive as the drawings suggest. Ground conditions vary across the plots, boundary treatments differ, and the plot at the end always has something the other four do not.

On a scheme of this size there is no room to absorb that. A single unforeseen item spread across five units moves the outturn in a way it would not on fifty.

At a glance

The commercial facts

Everything we publish about a scheme, and nothing that identifies anybody.

Scheme
Five three bedroom houses
Location
Twickenham, Greater London
Value
circa £2m
Stage
In construction
Our role
Cost planning through to commercial control

Our part in it

What we have done on it

Built the cost plan from measurement rather than from a rate per house, so the differences between plots sat on the face of the document instead of inside an average.

Prepared the tender documentation and reviewed the returns on a common basis, adjusting for the qualifications each contractor attached.

Carried the commercial control through construction, valuing work in place monthly and testing each variation against the contract rather than against the last one.

The scheme

What a job of this kind looks like