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The good news is that 90% of all
conservatories built do not require either Local Authority
Planning Consent or Buildings Regulations Approval.
We will be happy to run through details for your particular
home, and if either Planning Consent or Building Regulations
are required, Surrey Conservatories can apply for these
on your behalf if you wish.
Planning Permission:
If you live in England or Wales, you do not usually
require planning permission for a new conservatory
unless you live in a conservation area or a listed
property.
Under the new Planning Regualtions which came into
force in October 2008, semi-detatched properties can
extend up to 3m, and detatched properties can extend
up to 4m. However, if the original property has already
been extended, then planning permission may be required
anyway, please consult your local authority.
It is also worth noting that occasionally 'permitted
development' rights may have been withdrawn from a
property and any extension no matter how small needs
permission. In all cases if you have any doubts at
all, check with your local authority.
Here is s summary of the curent regulations regarding
permitted development:
Adding a conservatory to your house is considered
to be permitted development, not needing an application
for planning permission, subject to the limits and
conditions listed below.
• No more than half the area of land around
the "original house"* would be covered by
additions or other buildings.
• No extension forward of the principal elevation
or side elevation fronting a highway.
• No extension to be higher than the highest
part of the roof.
• Maximum depth of a single-storey rear extension
of three metres for an attached house and four metres
for a detached house.
• Maximum height of a single-storey rear extension
of four metres.
• Maximum depth of a rear extension of more
than one storey of three metres including ground floor.
• Maximum eaves height of an extension within
two metres of the boundary of three metres.
• Maximum eaves and ridge height of extension
no higher than existing house.
• Side extensions to be single storey with maximum
height of four metres and width no more than half
that of the original house.
• Roof pitch of extensions higher than one storey
to match existing house.
• No verandas, balconies or raised platforms.
• On designated land* no permitted development
for rear extensions of more than one storey; no cladding
of the exterior; no side extensions.
Please note: the permitted development allowances
described here apply to houses not flats, maisonettes
or other buildings.
Building Regulations:
Again if you live in England and Wales, conservatories
are usually exempt from building regulations, To qualify
for this exemption, your conservatory should meet
the following criteria:
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- The roof comprises at least 75% of translucent
material and the new walls
comprise at least 50% translucent material
- The floor area is less then 3O square
metres.
- The conservatory is sited at ground
level.
- The conservatory is attached to and
thermally separated from the dwelling, but
having a door giving access to it.
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Building Regulations in Scotland are different. A
Building Warrant is required before you can commence
construction of a conservatory over 8 square metres.
It is best to check with your local authority.
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