Not every home improvement pays for itself. Some add real, lasting value and make your home easier to sell; others are mostly about comfort and lifestyle. If you are weighing up where to spend, here are the projects that tend to deliver the strongest return in 2026 — and how to get the best price on each.
1. Converting unused space (loft or garage)
A loft conversion is consistently one of the best-value improvements, often adding around 15–20% to a property’s value by creating an extra bedroom — ideally with an en-suite. Garage conversions are cheaper and can add useful living space, though they work best where off-street parking is not at a premium.
2. Extending the footprint
A well-designed single-storey rear or side extension that creates a bigger kitchen-diner is highly desirable to buyers. Many extensions fall under permitted development, but always check before you build. A lower-cost route to extra light and space is a conservatory or orangery.
3. A new kitchen
The kitchen sells the house. You don’t need to spend a fortune — a clean, modern, well-fitted kitchen adds more value than an expensive one in a small home. See our kitchen cost guide to budget sensibly.
4. Energy efficiency
With energy costs front of mind, efficiency upgrades increasingly affect both value and saleability. Insulation, a modern boiler or heat pump, and solar panels can improve your EPC rating — and several come with grants that cut the upfront cost.
5. Off-street parking and kerb appeal
Adding a driveway or smartening up the front of your home can add several percent to value and makes a strong first impression. Just remember the permeable-surface rules for front gardens over 5m².
6. Bathrooms, windows and the basics
A fresh bathroom, quality double glazing and a sound roof won’t always wow buyers, but problems in these areas will put them off. Getting the fundamentals right protects your home’s value.
Get the best price on your project
Whatever you choose, comparing several quotes is the single best way to avoid overpaying. Tell us about your project above and we’ll connect you with trusted local installers for free, no-obligation quotes.