Best Square Toilet Seat 340mm Wide Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
DERW

New
DERW Square Toilet Seat(42.7CM x 35CM), Soft Close Toilet Seat, Environmentally Friendly Urea-Formaldehyde Resin, Easy O
🚽【Quiet Nights, Gentle Mornings】No more slamming! The DERW soft close toilet seat ensures a peaceful bathroom experienc

£32.99 £39.99
AAN

New
Square Toilet Seat Soft Close Toilet Seat Mute Seat Cover Quick Release Loo Seat Easy Cleaning Easy Installation with To
FITS ALL TOILETS: This seat fits square shape toilet bowls (400 mm to 430 mm).

£22.95
Best Value
MASS DYNAMIC

New
Mass Dynamic Square Toilet Seat- with Soft Close & Quick Release for Easy Cleaning, Universal Toilet Seat for Square Sha
BEFORE PURCHASE: For a proper fit, measure the distance between the mounting holes, the length of the bowl from back to

£15.95
MASS DYNAMIC

Used
Mass Dynamic Square Toilet Seat- with Soft Close & Quick Release for Easy Cleaning, Universal Toilet Seat for Square Sha
BEFORE PURCHASE: For a proper fit, measure the distance between the mounting holes, the length of the bowl from back to

£15.79
Pipishell

New
Pipishell Square Toilet Seat, Soft Close Seat White with Quick Release, Simple Top Fixing, Heavy Duty UF Material Anti-B
Soft Close Square Toilet Seat - The built-in soft close function allows our toilet seat to close down gently and quietly

£39.99
Pipishell

Used
Pipishell Square Toilet Seat, Soft Close Seat White with Quick Release, Simple Top Fixing, Heavy Duty UF Material Anti-B
Soft Close Square Toilet Seat - The built-in soft close function allows our toilet seat to close down gently and quietly

£29.89
19% Off
AAN BY SCOTT

New
Rectangular Square Soft Close Toilet Seat Quick Release Loo Seat Easy Cleaning, Easy Installation with Adjustable Hinges
FITS ALL TOILETS: This seat fits square shape toilet bowls (400 mm to 420 mm).

£17.81 £21.95
Generic

New
Luxury Square Soft Close Toilet Seat White WC, Quick Release Button, Heavy Duty Top Fixing Hinges, Anti-Bacterial Plasti
🚽 Modern No-Slam Soft Close: Upgrade to a peaceful bathroom with this stylish square-shaped seat. The practical soft-cl

£20.99
37% Off
MASS DYNAMIC

New
Mass Dynamic Square Toilet Seat with Soft Close Top Fix Toilet Seats with One Button Quick Release Cleaning for Better H
Noise Free Soft Close: With this built-in mechanism, our square toilet seat closes down slowly. A little push and the li

£18.75 £29.95
30% Off
MASS DYNAMIC

New
MASS DYNAMIC Square Toilet Seat Features Soft-Close, White Loo Seat with One-Button Quick Release for Hassle-Free Cleani
BEFORE PURCHASE: Only buy if you have SQUARE SHAPED toilet pan. For a proper fit, measure the distance between the mount

£27.95 £39.95

10 Square Toilet Seat 340mm Wide deals are available from: Amazon stores, starting from £15.79.
The biggest discount we found is 37% on Mass Dynamic Square Toilet Seat with Soft Close Top Fix Toilet Seats with One Button Quick Release Cleaning for Better Hygiene, Rectangle Loo Seat with Adjustable Hinges at Amazon.
The lowest price we found is £15.79 while the highest is £39.99.
Prices for the best Square Toilet Seat 340mm Wide deals average at £24.31.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Square Toilet Seat 340mm Wide.