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PLANNING PERMISSION
In England and Wales you will not usually require planning
permission, provided you do not exceed the permitted development
limit for your property (which is 50-70 cubic metres, depending
on where you live). Notable exceptions to the above are
listed buildings and conservation areas. Please note that
if your property has been extended in the past - you will
have used up some or perhaps all of your "permitted
development" area and may need permission. It's also
worth noting that occasionally "permitted development"
rights may be withdrawn from a property and any extension
however small needs planning. If in doubt check.
As a general guide, if your conservatory falls within
the following conditions you may not require Local Authority
planning permission:
Detached Properties
You are allowed to develop up to 70 cubic metres or
115% of the total volume of the dwelling whichever is greater.
However, this is a combination of the total amount of extensions,
i.e. is you have had a kitchen extension of 40 cubic metres
and require a conservatory of 41 cubic metres this would
total 81 cubic metres and planning permission would be required.
Should the total be less than 70 cubic metres or 115% of
the volume of the dwelling, planning permission may not
be required.
Semi-Detached Properties
The same as detached properties, you are allowed to
develop up to 70 cubic metres.
Terraced or End of Terrace Properties
Same as detached and semi-detached, but only 50m cubic metres
is allowed to be developed.
Flats or Maisonettes
This type of property has no permitted development rights
and in all cases planning permission will apply, there are
no exceptions.
The above mentioned only applies to extensions after the
1 July 1948.
We have listed some additional information and conditions
which attract planning permission:
| 1. |
If you build within 2m of the boundary line and the
highest point at that junction is 4m or more high. |
| 2. |
If your conservatory covers more than 50% of the original
garden. |
| 3. |
If planning development rights have been removed.
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| 4. |
Grade II listed buildings. These may require hardwood
conservatories with glass roofs. |
| 5. |
Where a conservatory is 20m or less from a road or
public footpath. (see sketch below)
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Irrespective of the size of the conservatory, should the
distance between points A and B be less than 20m planning
permission may be required.
Shaded Area may be any of the following:
| 1. |
Road |
| 2. |
Highway |
| 3. |
Motorway |
| 4. |
Public Foot Path |
| 5. |
Bridal Way |
| 6. |
Access to another property |
| 7. |
Access to other garage |
Impact onto the Boundary
Normally the local planning officer will be looking at the
projection of the conservatory i.e. how far it will protrude
into the garden, normally they are happy at about 3m projection
from the original house. However, should the proposed conservatory
extend more than 3m, he may not look at it so favourably
and ask for it to be reduced in size. The reason for this
is so your neighbour does not have to look at a large brick
wall more than 3m long. Hence the term impact onto the boundary.
To overcome this you may wish to include a facet to your
conservatory which may help in some situations. (See sketch
below) This should be done by your supplier as a matter
of course.

You can see from this sketch that the total impact onto
the boundary is 6m and you could expect the planning office
to reject your application.
If planning permission is not required a letter of lawful
development from the council is always a good item to obtain.
So should you wish to sell your property in the future,
you have proof that you have complied.
However, we strongly recommend, if in doubt always ask
your local planning officer. You will find they are always
very helpful and they will give you the correct advice so
no mistakes are made.
Other points to note:
When Local Authorities are looking at planning applications
they will consider how your proposed development impacts
on your neighbours and seek to ensure that their environment
is not negatively affected by your conservatory. Try to
keep your planned conservatory to a reasonable size - in
particular try to keep your projection to less than 3m.
If you are fortunate enough not to require planning permission,
consider getting written confirmation of this anyway from
the Local Authority planning office. Should you wish to
sell your property in the future, having this will ensure
a smoother transaction.
Remember that just because you don't need official planning
permission, you may still need to apply to the developer
or builder of your property for permission and again you
should retain written records of all communications and
transactions in case you wish to sell the property in the
future.
Thus in summary with regards to Planning Permission:
Planning Permission
Most conservatories installed in England and Wales generally
do not require planning permission unless:
| - |
Your property is a listed building |
| - |
Your property has had significant additions to living
space added in the past |
| - |
You are building the conservatory on the front of
your house |
| - |
You are intending to use the conservatory for non-domestic
purposes |
However, we strongly recommend that in all cases, you contact
your local planning office and discuss your project with
them prior to ordering to ensure that any obligations are
met with regard to planning permission. As the house owner,
it is ultimately your responsibility to make enquiries with
regard to any local authority requirements affecting alterations
to your property.
This information is based on legislation in effect as of
January 2005 and is subject to change. Legislation may differ
by region and country so please always check with your local
planning officer before committing to any project.
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