Radiator leaking water from bottom? Three DIY answers to fix

Leaking radiator onto towel on floor
(Image credit: Getty Images)

A radiator leaking water from bottom is not an uncommon problem, but there is often a quick and relatively easy fix for confident DIYers. You might be really lucky and it's simply a tightening of a nut to solve the problem.

While most of us hope for the easiest of fixes it is more likely you will need to do a little more work. The first thing you want to do is identify the leak. Is it coming from the radiator, is it coming from the nut or from the valve itself. Once identified you can get it sorted.

After you’ve fixed your leak and replaced the radiator you will need to know how to bleed a radiator to get it back up to full working order.  

Steve Jenkins

Steve Jenkins is a freelance content creator with over two decades of experience working in digital and print and was previously the DIY content editor for Homebuilding & Renovating. 

He is a keen DIYer with over 20 years of experience in transforming and renovating the many homes he has lived in. He specialises in painting and decorating, but has a wide range of skills gleaned from working in the building trade for around 10 years and spending time at night school learning how to plaster and plumb.

He has fitted kitchens, tiled bathrooms and kitchens, laid many floors, built partition walls, plastered walls, plumbed in bathrooms, worked on loft conversions and much more. And when he's not sure how to tackle a DIY project he has a wide network of friends – including plumbers, gas engineers, tilers, carpenters, painters and decorators, electricians and builders – in the trade to call upon.