Memorandum by Cambridge Centre for Housing
and Planning Research, University of Cambridge and the University
of Sheffield (HOU 34)
The Cambridge Centre for Housing and Planning
Research, University of Cambridge and the University of Sheffield
have just completed research evaluating the effectiveness of land
use planning system in achieving affordable housing.
Our main conclusions include:
The policy of linking land allocation for affordable
housing to that of financing that housing is both generally accepted
and becoming more effective. So far, however the impact has been
mainly in terms of enabling more affordable housing to be built
in more expensive places.
If it is to work better in the future more has
to be provided both in terms of numbers and financial contributions.
There are three distinct types of development that must be encouraged:
Affordable housing development which needs no
additional subsidy. This is currently mainly occurring in the
North and Midlands in the form of low cost home ownership. It
is far less likely in the South and where authorities operate
a no SHG policy they usually achieve far less housing. Yet there
are opportunities for such contributions perhaps especially on
Developments which both contributions and SHG.
Here the objective must be to make the SHG go furtherwhich
means moving away from negotiations based around TCI and looking
at a broader mix of developments to include lower subsidy elements
such as key worker housing; and
Developments involving SHG but no s106 agreement.
These are mainly 100 per cent affordable housing sites. As the
s106 policy becomes more embedded it is likely to become harder
to obtain 100 per cent affordable housing sites. Yet to provide
enough affordable housing overall, given the likely proportions
made available on s106 sites and also effectively to use financial
contributions from small and non-residential site developments
is going to mean that far more such sites need to be made available.
This is a major area of concern with respect to the government's
Only if all three types of development occur,
and additional government subsidy is made available, is there
any chance of providing both the numbers of affordable housing
required and an appropriate mix of tenures and types of housing
to long term aspirations.
The detailed Findings of our report are attached
and the main report will be available in mid-October.