Loft conversion
Converting a loft to make an extra room is the most popular home improvement project and can add a whopping 12.5% to your selling price.
Extension
This is the second most popular project, adding an extra 11%.
A Conservatory - 6%
New Kitchen - 4.6%
Central Heating - 3.4%
New bathroom - 2.8%
Redecorating - 2.6%
New Driveway - 2.2%
Decking or Patio - 2%
Knocking down walls to make bigger bedrooms
It’s not size that matters in the UK housing market, it is the number of bedrooms that really counts, not the square footage.
Home gyms
As most gym membership fees are paid religiously, enthusiasm for the actual work-out soon wanes. Likewise a home gym.