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Rules governing outbuildings apply to sheds, greenhouses and garages as well as other ancillary garden buildings such as swimming pools, ponds, sauna cabins, kennels, enclosures (including tennis courts) and many other kinds of structure for a purpose incidental to the enjoyment of the dwellinghouse.
Other rules relate to the installation of a satellite dish, the erection of a new dwelling or the erection or provision of fuel storage tanks.
Under new regulations that came into effect on 1 October 2008 outbuildings are considered to be permitted development, not needing planning permission, subject to the following limits and conditions:
• No outbuilding on land forward of a wall forming the principal elevation.
• Outbuildings and garages to be single storey with maximum eaves height of 2.5 metres and maximum overall height of four metres with a dual pitched roof or three metres for any other roof.
• Maximum height 2.5 metres within two metres of a boundary.
• No verandas, balconies or raised platforms.
• No more than half the area of land around the "original house"* would be covered by additions or other buildings.
• In National Parks, the Broads, Areas of Outstanding Natural Beauty and World Heritage Sites the maximum area to be covered by buildings, enclosures, containers and pools more than 20 metres from house to be limited to 10 square metres.
• On designated land* buildings, enclosures, containers and pools at the side of properties will require planning permission.
• Within the curtilage of listed buildings any outbuilding will require planning permission.
*The term "original house" means the house as it was first built or as it stood on 1 July 1948 (if it was built before that date). Although you may not have built an extension to the house, a previous owner may have done so.
*Designated land includes national parks and the Broads, Areas of Outstanding Natural Beauty, conservation areas and World Heritage Sites.
Building Regulations
If you want to put up small detached buildings such as a garden shed or summerhouse in your garden, building regulations will not normally apply if the floor area of the building is less than 15 square metres.
If the floor area of the building is between 15 square metres and 30 square metres, you will not normally be required to apply for building regulations approval providing that the building is either at least one metre from any boundary or it is constructed of substantially non-combustible materials.
In both cases, building regulations do not apply ONLY if the building does not contain any sleeping accommodation.
Please follow the link to get more information
http://www.planningportal.gov.uk/england/genpub/en/1115315233153.html
Some Facts About the Properties of Wood:
Wood has long been used naturally as a building material. Wood has a many outstanding characteristics such as thermal insulation, noise control, high firmness with good elasticity, high load absorption capacity, corrosion resistance, easy handling and many more. However, one must also appreciate woods special characteristics:
- Branches and the grain of wood
A tree never grows straight. The grain and number of branches does vary.
- Resin extraction
When processing and storing wood, its volume and density vary. As a result, resin exists on the surface of the wood. This is perfectly normal and can be scrapped off or carefully removed with turpentine.
- Mould and blue spots
Usually during warm periods the wood can be struck by blue stain mould. These mushrooms are not wood-destructive and therefore do not influence the firmness of the wood. - Swelling and shrinking
The “straws” that make up wood structure absorb or lose moisture with changes in humidity. The moisture content of wood will always gradually equalize with the moisture of its surrounding environment. All wood expands when it takes on moisture and shrinks when it loses it. When it does, it changes size across its width and thickness, but only slightly in its length. This expansion and contraction continues forever, no matter how long ago the tree was cut down.
- Wood colour change
Wood is a natural product and some degree of color variation is inevitable. Some species have a much higher degree of color variation than others. The only real ways to achieve uniform color in wood are to select out much of the material, which is a poor environmental choice, or to apply a stain. Some wood species change color dramatically as they age (oxidize). Others change color when exposed to light (UV radiation). Some do both, and sunlight generally accelerates the oxidation process. People who use wood products should expect the wood to change color over time unless it is heavily stained. In conditions of prolonged, intense direct sunlight, some species that normally darken with time will actually bleach to a lighter color.
