Do renovations always increase UK property valuations?

Renovations can increase UK property valuations, but the impact depends on the quality of the work and what local buyers value most. Improvements that add usable space, such as extensions or loft conversions, often have a stronger effect than purely cosmetic updates, although presentation still matters. Some upgrades do not add as much value as they cost, so it helps to get advice on which improvements are most likely to affect buyer demand in your area.