Appendix 6
Setting the Urban Extension Site Boundaries
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Setting the Urban Extension Site Boundaries
This appendix explains the rationale for boundaries that have been set for the Urban Extensions
within the AAP Preferred Strategy document.
Treswithian Urban Extension
Treswithian urban extension site is aligned with the western boundary of Camborne. A number
of houses abut the development boundary along its eastern edge of the interface, which
together with Camborne School, provide the eastern boundary for the site.
The southern edge of the site is defined by the railway track which lies in cutting and on
embankment along the boundary of the site. It creates a major physical barrier which would be
difficult to overcome and hence acts as a natural boundary for the extension site. The site
touches Penponds Village on the South-West corner. The interface needs to be carefully
designed to ensure the character of the existing village is enhanced through development.
The northern edge of the site is drawn along the A3047. The fields between the extension site
and the A30 are not proposed to be allocated within the Area Action Plan, but it is proposed that
a separate development brief is produced to identify appropriate development on this parcel of
land.
Finally, the site sits on gradually sloping land and the western boundary is drawn along the field
boundaries and country lanes where the topography starts to fall sharply towards Roseworthy
Valley. The boundaries are carefully drawn to maintain highly visible agricultural fields
separating the proposed extension site and Polstrong Farm situated in the valley, which forms a
part of a distinct countryside character. This helps to minimise the impact of development on the
countryside and also defines the edge of the urban areas with clear demarcation between the
urban and rural areas.
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Killivose Urban Extension
Killivose Urban Extension site is sandwiched between the railway to the north and existing
residential development and a school on its western and eastern edges respectively, which
forms natural boundaries to the site. The southern boundary of the site follows the line of
existing field and road boundaries. The southern edge, lies at the crest of a hill, which means
that to develop further south would have a detrimental visual impact for residents living to the
south of the site.
Tolvaddon & Park Bottom Urban Extension
The urban extension within the Illogan Parish is the largest urban extension site and is proposed
to extend between two distinct settlements at Tolvaddon and Park Bottom. Both settlements
have distinct identities and the AAP consultation process has revealed strong desire to maintain
the identities of these places. The site is oriented around the centre of both settlements and
gives due notice of the flood corridor, which results in a complex boundary definition.
The North-Western boundary (marked A on the following map) follows Trevenson Moor Road
and Countryside Road towards Illogan Downs. It defines the limits of acceptable development
preventing spill out development into the key countryside facility of Tehidy Woods. It covers
some existing residential development which along with the proposed extension will complete
development block and provide critical mass around the proposed centre for Tolvaddon.
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Moving eastwards (marked B on the following map), the boundary follows the line of the Flood
Zone preventing any development within the vulnerable area. The part of the site that sits within
the flood plane is proposed to be developed as a green wedge, maintaining the distinct identity
of the communities as well as providing open space.
Three-quarters of the northern boundary (marked C) follows the line of existing fields, which
allows for manageable farmland outside the development area. Prominent high tension electric
wires also run along part of the boundary and partly within the allocated site. When moving
further east (marked D) the northern boundary cuts through an existing field; this is to allow
development to wrap around the existing community of Park Bottom.
The boundary on the eastern edge of the site (marked E) is aligned with the edge of existing
development in Park Bottom along Illogan Downs, Clifton Road and part of Spar Lane extending
towards Higher Broad Lane.
The southern edge of site (marked F) abuts the A30 trunk road. Even though direct link to the
road will not be supported, measures to overcome this barrier and enable better integration
between the extension site and communities in Pool-Illogan Area are being recommended as
part of the proposal.
The western edge of the site (marked G) aligns with Tolvaddon Energy Park, which is
envisioned to serve as one of the key employment facilities in the area and existing houses
along Trevenson Moor Road. The site also includes location of future hub for Tolvaddon which
is proposed to be developed at the cusp of the residential and employment uses.
D
C
E
A
E
C
E
B
G
F
G
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Tolgus Urban Extension
The Tolgus site sits on the north western edge of Redruth town. The site is currently severed
from the town by the A3047 dual carriageway and Redruth Secondary School. This leaves only
a small section of interface at the eastern corner of the site which connects the extension site
back into town. The site boundaries are drawn around this key principle and the intension to
gravitate development closer to the town centre and overcome barriers between the extension
site and rest of the town.
The northern edge of the site is defined by the A30 trunk road which forms a major physical
barrier. The road lies in a cutting and is detached from the site by substantial level difference.
The road is also a designated trunk route which is managed by the Highways Agency which
deters development from gaining access from it or fronting on to it.
The eastern edge of the site abuts the boundary of the World Heritage Site (WHS). The WHS
lies in the Redruth Valley and comprises of Tin Streaming and Industrial Landscape. The
proposed urban extension directly abuts the WHS boundary but is drawn back towards the
northern edge, beyond which steep contours, archaeological remains and the vicinity to the A30
viaduct makes it unattractive to develop for housing or recreational space. The steep contours
form an important part of the setting for the WHS in a rural landscape, so the boundary of the
urban extension is drawn to preserve this setting. It is proposed to develop managed woodland
on this parcel to preserve it character in long term.
The western boundary of the site is drawn along the existing country tract providing access to
the farm along Toskithy Valley and is stepped back towards the north to leave manageable farm
parcels outside the development areas. The boundary also aims to preserve the natural
landscape and its settings along the valley bottom and reign in development around an arc
gravitating towards the links into Town.
Finally, the south-eastern edge of the site is defined by the A3047 dual carriageway.
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