Planning Permission - a guide
This guide refers to Permitted Development Rights which do not require planning permission and are applicable to the majority of houses
but not to maisonettes and flats
You always need to confirm this with your local planning department as local rules may differ ....click here for more Planning information
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Conservatories and other extensions behind the building line
are allowed without planning permission providing they come within your Permitted Development Rights
- this is a cumulative volume allowance for all additions to the house after 1948 and includes all buildings over 10 cubic metres closer than 5m to the house
You are permitted to add up to 70 cubic metres or 15% of the original detached or semi-detached house volume
Or
50 cubic metres or 10% of the volume of a terraced house
'A' to be a maximum of 4m if 'B' is less than 2m - if 'B' is more than 2m conservatories can be up to 'C' (see diagram)
New houses may have their Permitted Development Rights witheld by the local authority. In these situations the council will usually waive the normal planning application fee.
New houses may also have restrictive covenants on the deeds which means that you may need permission from the developer for any additions (there is normally a time limit to these covenants)
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The Building line
The building line is the side of the house that faces a highway.
A highway can be a bridle path, public road, footpath or byway.
A property may have more than one building line e.g. if your house is on a corner you have two building lines.
You need planning permission to build in front of the building line unless the building will be more than 20m from the highway.
Porches are exempt providing they have a floor area of no more than 2sqm, are no higher than 3m and are more than 2m from a highway.
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Sheds, Greenhouses and Garages behind the building line
Are permitted if they are more than 5m from the house, cover less than 50% of the garden area and are under 3m high with a flat roof or 4m high with a ridge roof (all of our standard buildings, garages and summerhouses are under these height restrictions)
If they are closer than 5m to the house they are considered as an extension and their volume counts towards the Permitted Development allowance as shown above
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Building Regulations
A separate requirement not usually applicable to buildings with a floor area of less than 30sqm (internal)
although they are applicable to any size conservatory if there is an opening without a door between the house and the conservatory
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Conservation Areas, Areas of Outstanding Natural Beauty, the Broads and listed buildings
Conservatories and extensions behind the building line are allowed within Permitted Development Rights of up to 50 cubic metres (not applicable to listed buildings)
Non-attached buildings are allowed behind the building line and under the above height restrictions up to 10 cubic metres but count towards the Permitted Development Rights allowance wherever they are in the garden
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Compton Garages Sizes - Planning Permission and Building Regulations
Planning Permission - the following are the widest standard height Compton Garages that are under 70 cubic metres in volume (please check with us if you are considering an extra long single garage)
Spar Flat Garage 17' wide by 20'2 long (65.3cu.m)
Spar Flat Garage 19' wide by 18'2 long (65.8cu.m)
Spar Flat Garage 21' wide by 16'2 long (64.7cu.m)
Spar, Red Brick and Rockstone Apex Garages 17' wide by 18'2/18'5 long (67.4cu.m)
Spar, Red Brick and Rockstone Apex Garages 19' wide by 16'2/16'5 long (69cu.m)
Spar, Red Brick and Rockstone Apex Garages 21' wide by 14'2/13'11 long (65.9cu.m)
The Banbury Spar Garage 17' wide by 16'2 long (69.9cu.m)
The Banbury Red Brick Apex Garage 17' wide by 12'5 long (53.7cu.m)
Building Regulations - the following are the widest Compton Garages that require bases under 30sq metres (excempt)
Spar Flat and Spar Apex Garages
17' wide by 18'2 long (27.2sqm)
19' wide by 16'2 long (27.1sqm)
21' wide by 16'2 long (30sqm)
Red Brick Apex and Rockstone Apex Garages
17' wide by 18'5 long (27.2sqm)
19' wide by 17'11 long (29.6sqm)
21' wide by 13'11 long (25.2sqm)
Banbury Garages
Banbury Spar Apex Garage 17' wide by 18'2 long (27.2 sqm)
Banbury Red Brick Apex Garage 17' wide by 16'5 long (24.6sqm)
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