For homes in England, Approved Document A includes 450mm as an absolute minimum depth in certain standard conditions. It does not mean every extension should have foundations only 450mm deep. Ground conditions, the building design and nearby features still need assessment. Approved Document A foundation requirements
If you are comparing prices to get your windows repaired, there are many factors to consider. One homeowner might receive a £5,000 quote for repairing their windows.
A small barn might look perfect for conversion, but limited floor space can make the design difficult. Poor planning can leave you with cramped rooms, little storage, and dark living areas. It can also make the finished home feel smaller than expected.
For an extension built around 20 years ago in England, the situation is different from a recent unauthorised extension. For operational development completed before 25 April 2024, the planning enforcement period was four years. If the relevant conditions are met, the development may have become immune from enforcement after this period.