Every week a Guardian Money reader submits a question, and it's up to you to help him or her out – a selection of the best answers will appear in next Saturday's paper.
This week's question
We are considering knocking our downstairs rooms into one to create an open-plan living area for the whole family. Several neighbours have done and it looks good – but are there any downsides? Will the house be more or less saleable in that form? Any advice?
What are your thoughts?