Prices updated daily — 21 July 2026
Product type overview
toilet rim block sits within Cleaning Products, part of Household, Pets & Other. On this page you compare 158 products from 9 UK supermarkets: Aldi, ASDA, Co-op, Iceland, Morrisons, Ocado, Sainsbury's, Tesco and Waitrose. The lowest unit price for toilet rim block is £5.20/kg at Sainsbury's. In total, 10 variants of toilet rim block are compared (different pack sizes and compositions). All prices are normalised to the same unit (per kilogram, per litre or per piece) so that packs of different sizes can be compared fairly — a larger pack is not automatically the best value. The ranking below shows, per variant, which supermarket currently has the sharpest price, including own-label products alongside national brands. Prices refresh daily from the retailers' own public price lists, so you never see stale offers when planning your weekly shop. Allsupers uses no affiliate links or paid placement; the ranking is purely price-based and updated from public data.
Cheapest toilet rim block
Compare 156 products across 9 supermarkets
toilet rim block — compare prices across 9 supermarkets
Keep It Handy
Keep it Handy Toilet Blocks Ocean
8 pieces
£0.12/unit
at 1 supermarket
HOME
HOME 6pk Toilet Block
6 pieces
£0.17/unit
at 1 supermarket
Duck
Duck Pine Toilet Cleaner Fresh Strips x3
3 pieces
£0.33/unit
at 1 supermarket
HOME
HOME 2pk Toilet Rim Block Cleaner Tropical Blossom
2 pieces
£0.50/unit
at 1 supermarket
Domestos
Domestos 3 in 1 Power Ocean Toilet Block 35 g
1 pieces
£1.00/unit
at 1 supermarket
Domestos
Domestos 3 in 1 Power Citrus Toilet Block 35 g
1 pieces
£1.00/unit
at 1 supermarket
Domestos
Domestos Power 5 Toilet Rim Block Magnolia 50 g
1 pieces
£1.00/unit
at 1 supermarket
Domestos
Domestos Power 5 Ocean Toilet Rim Block 50 g
1 pieces
£1.00/unit
at 2 supermarkets
Domestos
Domestos Power 5 Toilet Rim Block Lime 50 g
1 pieces
£1.00/unit
at 2 supermarkets
ASDA
ASDA Blue Water Toilet Rimblock 40g
1 pieces
£1.22/unit
at 1 supermarket
Duck
Duck Active Clean Rim Block Marine Single 38.6g
1 pieces
£1.38/unit
at 2 supermarkets
Domestos
Domestos Power 5 x 50g Gold Freshness Toilet Rim Block
250 g
£5.20/kg
at 1 supermarket
POWER FORCE
Toilet Blocks
80 g
£11.88/kg
at 1 supermarket
POWER FORCE
Toilet Freshener
110 g
£12.27/kg
at 1 supermarket
POWER FORCE
Toilet Freshener
110 g
£12.27/kg
at 1 supermarket
Sainsbury's
Sainsbury's In Cistern Blocks Blue 2x45g
90 g
£12.78/kg
at 1 supermarket
Morrisons
Morrisons Toilet Block Blu
76 g
£13.82/kg
at 1 supermarket
Bloo
Bloo 3in1 Anti-Clogging Toilet Block Original Blue 50g
50 g
£20.00/kg
at 1 supermarket
Bloo
Bloo 3in1 Anti-Clogging Flowers Toilet Block 50g
50 g
£20.00/kg
at 1 supermarket
BLOO
Bloo Power active Lemon Toilet Rim Block 50G
50 g
£20.00/kg
at 3 supermarkets
Domestos
Domestos Power 5 Toilet Rim Block Freshener Lime 50g
50 g
£20.00/kg
at 2 supermarkets
Domestos
Domestos Power 5 Ocean Toilet Rim Block 50 g
50 g
£20.00/kg
at 1 supermarket
Domestos
Domestos Power 5 Toilet Rim Block Ocean 50g
50 g
£26.00/kg
at 3 supermarkets
Domestos
Domestos Power 5 Toilet Freshener Rim Block Ocean Cleaner x1 50g
50 g
£26.00/kg
at 1 supermarket
Duck
Duck Colouring Rim Block Blue
36 g
£27.78/kg
at 3 supermarkets
Duck
Duck Colouring Rim Block Green
36 g
£27.78/kg
at 1 supermarket
Duck
Duck Colouring Rim Block 36g
36 g
£27.78/kg
at 1 supermarket
Duck
Duck Colouring Rim Block Watermelon Whirlwind 36g
36 g
£27.78/kg
at 2 supermarkets
Duck
Duck Colouring Rimblock Mint 36g
36 g
£27.78/kg
at 1 supermarket
Duck
Duck Aqua Green Rim Block Toilet Cleaner 36g
36 g
£27.78/kg
at 1 supermarket
Bloo
Bloo Power Active Rim Block Lemon 50G
50 g
£30.00/kg
at 1 supermarket
Bloo
Bloo Power Active Flowers Toilet Rim Block 50g
50 g
£30.00/kg
at 1 supermarket
Duck
Duck Colouring Rim Block Virtual Violet 36g
36 ml
£31.39/litre
at 1 supermarket
Duck
Duck Colouring Rim Block Mango Verse 36g
36 ml
£31.39/litre
at 1 supermarket
Bloo
Bloo Power Active Fragrance Boost Flowers
50 g
£32.00/kg
at 1 supermarket
Bloo
Bloo Wellness Harmony Rim Block 50g
50 g
£35.00/kg
at 3 supermarkets
Duck
Duck Active Clean Rim Block Mango Verse 38.6g
38 ml
£36.32/litre
at 1 supermarket
DUCK
Duck Fresh Toilet Strips Lime 3 x 9g
27 g
£37.04/kg
at 2 supermarkets
Toilet Duck
Duck Toilet Fresh Strips Pine
27 g
£37.04/kg
at 1 supermarket
Harpic
Harpic Fresh Power 6 Rim Block Mountain Pine Toilet Cleaner
39 g
£38.46/kg
at 1 supermarket
DUCK
Duck Fresh Boost Toilet Rim Block Marine Wave 2x16g
32 g
£39.06/kg
at 4 supermarkets
DUCK
Duck Fresh Boost Toilet Rim Block Pink Peony 2x16g
32 g
£39.06/kg
at 3 supermarkets
Toilet Duck
Duck Aqua Blue Toilet Rim Block Holder
36 g
£41.67/kg
at 1 supermarket
Toilet Duck
Duck 4-in-1 Colouring Rim Block Mint Mission
36 g
£41.67/kg
at 1 supermarket
Toilet Duck
Duck 4-in-1 Colouring Rim Block Watermelon Whirlwind
36 g
£41.67/kg
at 1 supermarket
Harpic
Harpic Active Fresh Pink Blossom Toilet Rim Block Single
35 g
£42.86/kg
at 2 supermarkets
Harpic
Harpic Active Blue Water 6 Powers Atlantic Burst 35g
35 g
£48.00/kg
at 1 supermarket
Duck
Duck Active Clean Rim Block Tropical
Price per unit unknown
at 1 supermarket
Duck
Duck Active Clean Rim Block Garden Escape
Price per unit unknown
at 1 supermarket
Domestos
Domestos Power 5 Toilet Rim block Pink
Price per unit unknown
at 1 supermarket