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For the Architect

Basements provide the opportunity for the Architect to offer clients an alternative design solution for a project that planning constraint might otherwise not allow.

For example, including a basement beneath a new building will not increase its height, mass or bulk yet still provide additional usable space within the same footprint. As a consequence it will have no adverse impact on its surroundings and thus where land is designated Green Belt, Area of Natural Beauty, National Park or other sensitive areas basements are normally permitted by local planning authorities.

For example a basement:

  • Under a new house, bungalow or block of low rise flats increases the living space by 100% for a single storey, 50% for a two storey or 33% for a three storey building
  • In urban areas overcomes issues of unneighbourly development such as increases in height, massing, overlooking etc.
  • May be used as separate accommodation from the rest of the house
  • Garaging cars can increase the number of houses on a site
  • Can be constructed on steeply sloping or hilly sites
  • Overcomes problems on sites with poor soil conditions, high water tables or contaminated land


Partly exposed basement:

Partly exposed basement

Hillside basement:

hillside basement

Basement with concrete and GRP-lightwell:

basement with concrete and grip lightwell

Basement with concrete lightwell:

basement with concrete ligthwell

Basement with balcony and terrace

basement with balcony and terrace

Partial basement:

partial basement




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