Are There Extra Costs When Modifying Standard Floor-plans [VIDEO]

Posted by Transportable Homes on July 13, 2010 under Modular Homes, Portable Homes, Relocatable Homes, Transportable Homes | Be the First to Comment

Modifying Standardised Floor-plans and the Extra Costs?


Transportable Homes Video – Tracey identifies alterations to standardised floor-plans  that may, or will definitely incur additional costs.



Small modifications to portable homes floor-plans can be made but may still require drafting fees. Some changes to a Standardised Floor-plan may be –

  • changing to a plastered ceiling instead of exposed beams
  • requesting a shub (shower and bath-tub combined) instead of a standard shower
  • upgrading the kitchen and changing the layout
  • changing the position of lights, light switches and power points
  • having a larger than normal fridge/freezer space

Drafting fees depend on the complexity of the modification to the plan. Structural changes are normally most expensive. Examples of more complex and/or larger changes could be –

  • adding, deleting or moving a door
  • adding, deleting or moving windows
  • extending the length of a bedroom
  • turning two small bedrooms into one large bedroom
  • changing the roof pitch or design for aesthetic purposes

Note: Every building contractor is different. It is a good idea to ask what the fees are for changing one of their standard floor-plans before you start modifying. Good building contractors will have a fair idea of the extra costs you will incur as they may have made similar alterations to the floor-plan before.

Also, when I state you may incur a drafting fee for making alterations, that means a drafting fee is likely. However, it does not include the actual materials and labour for making such a change.


You choose a standardised floor-plan, but you want a shub in the bathroom, instead of the basic shower because you have small children.

In this case you may or may not incur a drafting fee. It depends if the shub fits in the same space as the basic shower cubic. Some building contractors charge for this, and others don’t; regardless of the shub fitting exactly in the space or not.

Then, you have the additional cost of the shub, compared to the basic shower cubic that was included in the original design. You need to pay the difference.

And, you may have extra costs associated with the labour to fit the shub. The basic shower cubical may have been a one man labour unit to fit it in, but the shub is heavier and needs two men to fit it.

In conclusion, you may have three costs associated with changing from a basic shower to a shub in a standardised floor-plan in this example.

  1. Drafting Fee
  2. Upgrade Cost (price difference between the basic shower cubical and the shub)
  3. Labour/Tradesmen



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