Plumbing Problems – DIY vs Local Plumbers

Introduction (deciding with confidence)

Some tasks are perfect DIY; others can snowball into bigger bills if attempted without the right tools. Here’s how UK homeowners can choose wisely.

Safe DIY (with isolation and basic tools)

• Unblocking traps and cleaning wastes
• Replacing tap cartridges/washer kits
• Replacing shower hoses/heads and reseating trap washers
• Toilet fill valve diaphragms and flapper seals (close‑coupled cisterns)

Call a local plumber (higher risk or compliance)

• Concealed shower mixer servicing/replacement
• Toilet frames/in‑wall cistern repairs, soil pipe work
• Unvented cylinders, central heating pipework changes, or anything gas‑adjacent
• Persistent leaks in walls/floors or near electrics

What can affect price

• Access and making good (tiling, boxing)
• Seized fittings, limescale and age of system
• Brand/part availability and lead times

Typical guides:

• DIY parts (trap washers, cartridges): £5–£40
• Minor repair visit: £60–£140 labour + parts
• Shower valve cartridge: £80–£180 + cartridge (£50–£150)

Time and budgeting

• Simple DIY: 30–60 minutes
• Minor pro repair: 60–120 minutes
• Allow 10–15% contingency; confirm whether materials are supplied by you or the plumber.

Next steps

1. Identify isolation valves and practise turning water off
2. Start with simple, reversible fixes
3. For concealed or critical fixtures, gather photos and get quotes from local plumbers