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← All guides · Published September 2026 · Richard Lim

Replacing a toilet seat in Dover: why the bolts are the real job.

A cracked hinge or a tired soft-close mechanism is a five-minute swap on a modern seat. On Dover’s older housing stock the fixing bolts holding the old seat down are usually the actual job, and forcing them is how a toilet pan cracks.

Why the bolts go first

A newer toilet seat fixes with plastic bolts that unscrew by hand in seconds. A lot of Dover’s older stock, particularly the terraces around the town centre and the villages further into the downland, is still running the original metal fixing bolts. The same damp-and-condensation cycle that softens timber around a Georgian sash window works on plated steel fixings too - slower than the salt air corrodes an outdoor hinge, but the same underlying mechanism, and a bathroom with poor extraction accelerates it.

What actually happens

The seat itself rarely fails without warning. What happens is the plastic hinge cracks, or the soft-close piston gives out, you buy a replacement, and then find the two nuts holding the old seat down will not turn. Forcing a seized nut is how the ceramic pan cracks - which turns a five-minute fix into a full pan replacement, at several times the cost.

Getting a seized bolt off properly

• Penetrating oil first. Ten to fifteen minutes on the visible thread, not a quick spray and straight to the spanner.
• Hold the bolt head steady from above with a screwdriver while working the nut underneath, rather than twisting against nothing.
• Cut it rather than force it if it still will not shift - a hacksaw blade or a mini cutting disc between the underside of the pan and the nut, with the pan protected while you work.

What we fit instead

Any seat we fit in Dover gets stainless or brass fixing bolts rather than the plated steel that comes as standard with a cheap seat. A few pounds more on the parts, and the next person doing this job in ten years is not fighting a seized bolt.

Practical scope and cost

Straightforward swap where the old bolts come off cleanly: £45 to £65, most of that the standard callout, seat itself typically £15 to £40 depending on quality. Add £15 to £25 if the old bolts are seized and need cutting rather than unscrewing - still far cheaper than a cracked pan. Two seats in the same visit, common enough in an older house with more than one bathroom, usually costs less than two separate call-outs.