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2. Developer Contributions (Education) – key metrics - Report

Renfrewshire Council · 23 January 2024
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___________________________________________________________________ 
To:  Planning and Climate Change Policy Board 
On:  23 January 2024
___________________________________________________________________ 
Report by: Chief Executive 
___________________________________________________________________ 
Title:  Developer Contributions (Education) – key metrics
___________________________________________________________________ 
1. Summary 
1.1 This report seeks to provide an update to members on progress in preparing a
new developer contributions policy for education requirements arising from
new housing development in Renfrewshire. 
1.2 The draft policy is expected to be brought to the Planning and Climate
Change Policy Board in the near future. In the meantime, this report presents
an outline of the key metrics which are required to support such a new policy.
This report seeks members consideration of these key metrics ahead of
presentation of the new policy to a future Board. 
________________________________________________________________ 
2. Recommendations 
2.1 It is recommended that the Board:
(i) Consider the key metrics outlined in this report and their implications for
any future policy to be applied to applicable planning applications;
(ii) Note the key metrics as indicated within this report as being an indicative
basis on which to prepare a draft Developer Contributions (Education)
policy for Renfrewshire Council; 
________________________________________________________________________________ 
3. Background 
3.1 Developers (and other applicants for planning permission) are often expected
to offset the impact of their proposed development by making contributions
(including in kind and financial) to necessary social infrastructure in a local
area or other local services.

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These can include a range of contributions including financial sums to assist
in meeting the increased number of school-age pupils which could be
generated by building new housing in a particular community. 
3.2 Another term for these contributions is “planning obligations” and they are
usually entered into in accordance with Section 75 of Town and Country
Planning (Scotland) Act 1997, as amended, and are commonly referred to as
S75 Agreements.  They are often used where a planning condition or another
form of legal agreement would not be appropriate to address the impact of the
development in question. 
3.3 The principle of such planning obligations is guided by legislation which sets
out that such agreements must meet a series of tests to be enforceable
against the landowner – these include being necessary to make a proposal
acceptable and reasonable in terms of scale in relation to the proposal in
question. These tests are set out in Scottish Planning Circular 3/2012. 
3.4 In Renfrewshire, the adopted Local Development Plan (LDP2; 2021) sets out
a policy (policy I8) for developer contributions. This states:
Contributions will be sought for the following items to address infrastructure
deficits and/ or a shortfall in infrastructure capacity that arise as a direct result of
new development. Any contribution sought will be appropriate, proportionate,
necessary and relevant to the nature of the development, its scale, and its
location:
 Education – additional classrooms and associated school facilities required 
to  support  the  operation  of  a  school,  related  to  the  number  of  pupils 
generated by the development; 
3.5 Renfrewshire Council now intend to develop a more detailed set of policy
guidance for planning applicants of new residential development. This new
policy intends to offer specific guidance for all future housing development in
the area that is yet to receive planning permission. This will be linked to
individual school catchments and to individual housing sites already identified
in LDP2 / Housing Land Audit and those yet to be identified. 
3.6 It should be borne in mind that such a policy will make clear that contributions
are intended to offset the impact of the new housing development and not to
overcome other existing deficiencies that may exist in terms of school
provision locally. 
3.7 Subsequent policy guidance will be prepared for other developer contributions
towards others community infrastructure. This current report deals with
education contributions only. 
4 Key metrics for new policy 
4.1 In preparing a new policy of this type there are several key metrics that need
to be agreed as the basis for any developer contributions.

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These include:  
 How many pupils are likely to be generated by new housing sites in
Renfrewshire;
 How much capacity exists in each school / by catchment;
 Where will the additional housing demand come from (the identified
supply);
 What would be a reasonable level of contribution to negotiate for each
additional pupil generated by the new housing (above capacity
thresholds);
 The scale of residential development site at which the developer
contribution policy becomes applicable; 
4.2 This report will examine each of these key metrics in turn and seek member
consideration of the approach being followed by officers in the preparation of
the draft policy regarding each. 
Pupil Product Ratio (PPR) 
4.3 To determine how many new pupils may arise from housing development in
Renfrewshire officers have traced back over the last 10+ years of built
housing and calculated the average number of pupils that attend local schools
from these developments. This can be broken down to denominational and
non-denominational schools and differentiated between primary and
secondary education. 
4.4 It is accepted that this assessment looks at the position as is (i.e. in 2023) as
opposed to what it may have been when the housing was first occupied.
Some households may have moved home, others will have moved into the
area. However, this calculation is the most accurate available to estimate the
likely pupils generated from a new housing development in Renfrewshire. 
4.5 The draft policy will detail the results of the above research for Renfrewshire
by school type.  The intention is that these figures will be updated annually
and reviewed to ensure they reflect the reality of the situation from new
housing developments once occupied. 
4.6 Consultants (Edge Analytics) are currently undertaking a piece of work for the
Council looking at roll projections across the whole school estate. The
outcomes of this analysis will feature in the new policy presented to Board in
due course. 
4.7 The pupil product ratios will show the average primary and secondary age
children that would be expected to be generated for each new house or flat
built in Renfrewshire. Although this may vary by specific location and
development, officers consider it more expedient to have one ratio for flats in
Renfrewshire by school type and one for houses by school type. The ratio for
flats will be lower than that for houses.

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4.8 Each planning application submitted is assessed on its individual components.
In some case the number and mix of housing types will be known at the
submission stage, in others this will be indicative only. By applying a pupil per
housing unit approach, we can ensure flexibility as circumstances of individual
developments change or are varied at the detailed design stage. 
Existing school capacity 
4.9 In an ideal world housing development would take place where sufficient
capacity exists to accommodate the predicted increase in pupil numbers at
the local schools. However, this is unlikely to always be the case as school
location tends to be relatively fixed, while new housing development depends
on land availability, local demand, suitability for that purpose and deliverability. 
4.10 The importance of identifying individual school capacity by catchment is that
housing development in locations where sufficient capacity exists to
accommodate the new pupils would not normally be expected to contribute
financially to addressing this impact, as the capacity is already there.  This
equation changes when the capacity of a school will be breached following the
development of the new housing. 
4.11 The current school roll and capacity for each Renfrewshire school will be
published online and updated annually. These figures will be available for the
publication of a new policy on developer contributions and used as the agreed
basis for the consideration of any planning application for residential
development going forward. 
4.12 The “notional capacity” of a typical Renfrewshire school is taken as 85% of its
operating capacity. This 85% threshold is broadly consistent with other
Scottish local authorities with similar policies. This is to allow for flexibility
across the age groups of the additional pupils expected to be accommodated
and to allow for requirements for general purpose rooms and ancillary space
as the roll changes. 
4.13 Each primary and secondary school in Renfrewshire will be placed into one of
3 categories based on its existing remaining capacity.  This categorisation will
allow all stakeholders to gain an appreciation of the current position for their
school catchment. It is intended that this will be utilised for the purposes of the
new developer contributions policy.
eg.
 85% or more 
 75% to 84% 
 74% or less 
Identified housing land supply 
4.14 The existing school capacities will be affected by planned housing
development. The Council’s Housing Land Audit (published annually) list all
know housing sites, either under construction or with or without planning
permission and includes all LDP2 allocated sites.

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4.15 Using this information it is possible to predict potential changes in school
capacities in future years, assuming housing is subsequently developed in
expected format and timescale. In doing so it is important to realise that not all
housing will be built in the same school year and that not all homes will
immediately generate school age pupils. The identified housing land supply
will form an integral part of any new policy for developer contributions in
Renfrewshire. 
Developer contribution levels 
4.16 The new policy will set out the level of contribution sought in those cases
where the notional capacity of the school will be breached by completion of
the new housing. 
4.17 Examining current practice across Scotland, some local authorities apply a
per new housing unit calculation, some use an amount of contribution per
additional pupil predicted in that school catchment. Renfrewshire’s proposal is
to use the latter, as this relates the specifics of the new pupils generated to
the expected capacity available at the school concerned. 
4.18 In calculating what the contribution should be (per new pupil generated) there
are several factors to consider, including:
 Whether land is available to extend an existing school, or build a new
school as required to meet demand;
 Evidence of recently built or planned schools in Renfrewshire and the
construction costs associated with these;
 The impact of construction inflation on any set amount within a policy
over time;
 The policies and approaches of other Scottish local authorities in this
respect;
 Available information from other national sources of school construction
costs; 
4.19 In drafting the proposed new policy officers have sought evidence from
several sources, including Scottish Futures Trust (SFT), HubCo (who are
engaged on behalf of SFT in many new school projects across Scotland),
other local authorities with similar policies. Examples have been drawn from
other Scottish local authorities, however, very few of these have been
approved in the last 2 or 3 years and therefore could be considered to be out-
of-date. 
4.20 The local context is best exemplified by the estimated gross costs for the new
Paisley Grammar School construction, which is the most recent example we
have in Renfrewshire. This predicts an approximate cost per pupil of more
than £55,000. This can be compared with the current SFT metric which is
below £30,000 per pupil for new school development.

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4.21 Many Councils negotiate for a different level of contribution for secondary and
primary schools (due to the difference in space requirements and layouts of
both types of school) and it is likely that Renfrewshire will follow a similar
approach. 
4.22 Officer would suggest to members that contribution rates (whatever level is
agreed in the new Renfrewshire policy) will need to be kept under regular
review to allow for their revision as required. The contribution level itself would
be subject to any changes in the BCI rates that are published on a regular
basis. Construction inflation in recent years have demonstrated that costs can
be extremely unpredictable for one year to the next. In the context of house
building and enhanced school capacity these changes can be planned to be
delivered some years in advance and therefore the scope for movement in
predicted costs is greater the longer the timescale involved. 
Scale of site 
4.23 Another factor to be considered for the new policy is whether developer
contributions should be sought from every planning application for new
housing (where capacity threshold will be breached) or only for those above a
certain scale. For example, some other Councils apply a threshold below
which they do not expect contributions to be sought. 
4.24 Based on existing pupil product ratios, a development of 5 new houses would
generate approximately 2 new school pupils and a development of 10 homes
would result in about 5 additional school age pupils. Clearly the policy
approach taken could aim to apply this to even the smallest of housing sites.
However, there are a few factors to be considered in reaching this decision:
 Renfrewshire does not get a large number of planning applications for
sites of less than 10 dwellings and even fewer of less than 5 new
homes (see Table 1);
 If the Council are to seek to negotiate a Section 75 Agreement for
smaller sites this will place an additional resource burden on officer
time for smaller potential contributions; 
Table 1: Renfrewshire Housing Land Audit; 2022 
Number of sites
with capacity of
11 or more
dwellings
Number of sites
with capacity of 
6-10 dwellings
Number of sites
with capacity of 
5 or less dwellings
Under construction  33 1 0
With planning permission 28 8 3
Allocated for housing
(without permission to date)
46 4 5
Total 107 13 8 
4.25 When considering smaller sites and any applicable threshold for a new policy,
the issue of cumulative impact needs to be examined. Officers’ current
thinking is to suggest a threshold of 10 dwellings and above for the
negotiation of developer contributions to mitigate education impact. However,
this threshold would be caveated by an assessment of the cumulative impact
of all identified housing land supply in that school catchment.

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If the school’s notional capacity (85%) is estimated to be breached
(cumulatively) by all planned housing then contributions will be sought from all
housing development in that catchment, regardless of the proposed number of
dwellings or scale of the site.  This is considered reasonable given that it will
not be possible to specifically attribute the remaining school capacity to one
planned housing development and will avoid cases of the last applicant having
to meet a disproportionate share of any impact in that catchment. 
5 Next Steps 
5.1 Subject to members views on the suggested metrics outlined above, officers
will prepare a draft new policy and bring this to Planning and Climate Change
Policy Board for endorsement. The draft policy will then be published for a
period of stakeholder consultation and the views expressed will be reported
back to elected members. 
______________________________________________________ 
Implications of the Report 
1. Financial – Significant potential impact depending on the successful
implementation of any new developer contributions policy.   
2. HR & Organisational Development – Examination going forward of the
additional resources required to negotiate planning obligations as a result of
submitted / approved planning application. 
3. Community/Council Planning – 
 Our Renfrewshire is thriving – The new developer contributions policy
can assist in supporting new or enhanced community infrastructure
(schools) in connection with new housing for pupils living in the local
area;
 Building strong, safe, and resilient communities: The policy can assist in
the forward planning of education capacity requirements across
Renfrewshire’s varied communities and achieve positive education
outcomes for our younger residents; 
4. Legal – Likelihood of additional resource demand being placed on Council’s
Legal Team in terms of negotiating and confirming planning obligations for a
larger number of planning applications. 
5. Property/Assets – None. 
6. Information Technology – None.

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7. Equality & Human Rights - 
(a) The Recommendations contained within this report have been assessed
in relation to their impact on equalities and human rights. No negative
impacts on equality groups or potential for infringement of individuals’
human rights have been identified arising from the recommendations
contained in the report.  If required following implementation, the actual
impact of the recommendations and the mitigating actions will be
reviewed and monitored, and the results of the assessment will be
published on the Council’s website.   
8. Health & Safety – None. 
9. Procurement – None. 
10. Risk – None. 
11. Privacy Impact – None. 
12. COSLA Policy Position - None. 
13. Climate Risk – None.
___________________________________________________________________ 
Authors: 
Alasdair Morrison, Head of Economy and Development;
Tel: 07979 700472; Email: Alasdair.morrison@renfrewshire.gov.uk 
David Love, Chief Planning Officer
Tel: 07483410182; Email: david.love@renfrewshire.gov.uk