4 April, 2026
Top 10 Best Strongest Rat Poison Uk {ignore} of 2026
Last Updated - 4 April, 2026
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Up to 22% off
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Pest Expert
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Pest Expert Formula ‘B+’ Advanced Rat & Mouse Killer Poison 900g (15 x 60g) Strongest Single Feed Brodifacoum, Fast Acting Poisoning Control
7% Off
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Why We Love It
- NOT ALL RAT & MOUSE POISONS ARE THE SAME - Formula B+ is now up to 6 x STRONGER THAN OTHER RODENTICIDES available on the UK market!
- THE FACTS: Formula B+ is 4 x STRONGER than other rat and mouse poisons containing Bromadiolone and 6 x STRONGER than those containing Difenacoum
- KILLS IN A SINGLE FEED - MAXIMUM LEGAL STRENGTH: All other rat and mouse poisons require multiple feeds. The Active Concentration in Formula B+ is Brodifacoum 0.0029%
- IRRESISTIBLE TO RATS & MICE - No wax content, manufactured from only top quality wholewheat grain, ensuring rapid uptake
- EASY TO USE - Formula B+ is supplied in 15 x 60g measured sachets for precise, effective control
- STRONGEST RAT & MOUSE POISON IN THE UK - Pest Expert's active concentration of Brodifacoum is unique in the UK at 0.0029%. Every other brand of Brodifacoum-based poison on the market is just 0.0025%. This means Pest Expert Formula B+ is almost 20% stronger than every other brodifacoum poison on the market, without exception!
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Our Rankings
Pest Expert
Pest Expert Rat Killer Poison 1.5kg - Formula 'B+' Advanced (15 x 100g) - Fast Acting Maximum Super Strength Single Feed Brodifacoum
10% Off
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Main Highlights
- PEST EXPERT RAT POISON
- STRONGEST RAT POISON IN THE UK - Pest Expert's active concentration of Brodifacoum is unique in the UK at 0.0029%. Every other brand of Brodifacoum-based poison on the market is just 0.0025%. This means Pest Expert Formula B+ is almost 20% stronger than every other brodifacoum poison on the market, without exception!
- THE FACTS: Formula B+ Advanced is 4 x STRONGER than other rat poisons containing Bromadiolone and 6 x STRONGER than those containing Difenacoum
- KILLS IN A SINGLE FEED - MAXIMUM LEGAL STRENGTH: All other rat poisons require multiple feeds. The Active Concentration in Formula B+ Advanced is Brodifacoum 0.0029%
- IRRESISTIBLE TO RATS - No wax content, manufactured from only top quality wholewheat grain, ensuring rapid uptake
3
Our Rankings
Pest Expert
Pest Expert Advanced Rat & Mouse Poisoning Bait Blocks (1.2kg) Strongest Super Strength Rat Poison, Fast-Acting Single Feed Rodent Killer (4 x 300g - 60 Bait Blocks)
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Main Highlights
- NOT ALL RAT & MOUSE POISONS ARE THE SAME - Formula 'B+' Advanced is now up to 6 x STRONGER THAN ALL OTHER POISONS available on the UK market!
- THE FACTS: Formula 'B+' Advanced is 4 x STRONGER than other rodenticides containing Bromadiolone and up to 6 x STRONGER than those containing Difenacoum
- KILLS IN A SINGLE FEED - MAXIMUM LEGAL STRENGTH: All other poisons require multiple feeds. The Active Concentration in Formula 'B+' is Brodifacoum 0.0025%
- IRRESISTIBLE TO RATS & MICE - Made with a unique blend of food-grade ingredients, these Blocks are HIGHLY PALATABLE to rodents. In addition, the multi-faceted design encourages gnawing, ensuring RAPID UPTAKE OF POISON
- TOTALLY WEATHERPROOF Formulated to withstand extreme weather conditions, making them ideal for outdoor baiting
4
Our Rankings
Pest Expert
Pest Expert Formula 'B+' Advanced Rat Poison Grain Bait 1kg (10 x 100g) - Fast Acting Rodent Killer, Single Feed Max Strength Rat Poisoning, Brodifacoum
13% Off
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Main Highlights
- NOT ALL RAT & MOUSE POISONS ARE THE SAME - Formula B+ Advanced is suitable for both rat and mouse control, as well as now being up to 6 x STRONGER THAN ALL OTHER POISONS available on the UK market!
- THE FACTS: Formula B+ Advanced is 4 x STRONGER than other poisons containing Bromadiolone and up to 6 x STRONGER than those containing Difenacoum
- KILLS IN A SINGLE FEED - MAXIMUM LEGAL STRENGTH: All other poisons require multiple feeds. The Active Concentration in Formula B+ Advanced is Brodifacoum 0.0029%
- IRRESISTIBLE TO RATS & MICE - No wax content, manufactured from only top quality wholewheat grain, ensuring rapid uptake
- EASY TO USE - Formula B+ Advanced is supplied in 10 x 100g measured sachets for precise, effective control
5
Our Rankings
Roshield
ROSHIELD- Rat/Mouse Poisoning,Poison Blocks 300g, Super Strength, Single-Feed Fast Acting Rat & Mouse Killer, Rat Poison Block Bait - Indoor,Outdoor For Rodent Bait Station Refill Packs…
22% Off
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Main Highlights
- RAT & MOUSE KILLER BLOCKS - Highly palatable poison control bait to eradicate rats and mice within homes, gardens, sheds, outbuildings and other areas of rodent activity. The all-weather killer blocks are suitable for all climatic conditions, including cellars, attics and outdoor use. Bait must be used within an appropriate tamper-resistant bait station.
- HIGH-QUALITY CONTROL - Blocks are ready-for-use and formulated using high-quality culinary grade wheat flour blended with chopped wheat, other cereals, and proteins bound together by edible waxes. They are highly palatable, and a tried and tested method of rodent control. In addition, the product contains denatonium benzoate, a highly bitter substance that prevents human consumption.
- UK MANUFACTURED - Our killer blocks are made in the UK using a range of cereals sourced from British farmers. Blocks are manufactured by a hot casting process, ensuring the wax and other components are intimately mixed. This process ensures blocks are highly tolerant to humidity and suitable for indoor and outdoor use. Our product is HSE registered.
- PRODUCT REQUIREMENTS - All amateur approved rodenticides must be used within tamper-resistant bait stations. Wax blocks must be used within an appropriate tamper-resistant bait box and placed only in and around buildings. Users must read and comply with the label on the packaging at all times.
- BLOCK KIT SIZE - This listing is for 1 packet of 300g Roshield Wax Bait Block (UK-2016-0986-0007, Bromadiolone 0.0025%). We include comprehensive instructions, support videos and technical support when required. The amount of bait to control a problem will vary depending on the size of the population; additional bait may be necessary for larger infestations.
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Our Rankings
Opkill
Opkill Rat Poison & Mouse killer - 300g Strongest Bait Available Weatherproof Fast acting and Safe for Professional and Domestic use (Professional Choice Blocks 15 x 20g)
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Main Highlights
- Our bait blocks have been professionally formulated to achieve optimal results, and all of our products are quality tested by professional pest controllers prior to public release.
- Multi feed poison which means that unlike many other baits on the market, This poison is specifically designed to reduce bait shyness and to maximise bait take and delivery of poison to each rodent and maximise effectiveness from day 1!
- These Rodent Blocks are a highly effective rodent killer, which leads the way against many other baits on the market.
- These easy-to-use pre-formed blocks simply fit onto rods for housing in our durable bait stations, which are specifically designed for this purpose.
- If you are baiting externally and/or within public areas, it is required that all baits are to be contained within lockable bait stations. These can be purchased separately or as a package.
7
Our Rankings
Opkill
Opkill Rat Poison & Mouse Killer TWIN PACK 600g Strongest Bait Available Weatherproof Fast Acting and Safe For Professional and Domestic use (Professional Choice Blocks 30 x 20g) …
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Main Highlights
- Our bait blocks have been professionally formulated to achieve optimal results, and all of our products are quality tested by professional pest controllers prior to public release.
- Multi feed poison which means that unlike many other baits on the market, This poison is specifically designed to reduce bait shyness and to maximise bait take and delivery of poison to each rodent and maximise effectiveness from day 1!
- These Rodent Blocks are a highly effective rodent killer, which leads the way against many other baits on the market.
- These easy-to-use pre-formed blocks simply fit onto rods for housing in our durable bait stations, which are specifically designed for this purpose.
- If you are baiting externally and/or within public areas, it is required that all baits are to be contained within lockable bait stations. These can be purchased separately or as a package.
8
Our Rankings
Pest Expert
Pest Expert Formula ‘B+’ Advanced Rat Killer Poison 3kg (30 x 100g) - Strongest Maximum Strength - Single Feed Brodifacoum
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Main Highlights
- NOT ALL RAT POISONS ARE THE SAME - Formula B+ Advanced is now up to 4 x STRONGER THAN ALL OTHER RAT POISONS available on the UK market!
- THE FACTS: Formula B+ Advanced is 4 x STRONGER than other rat poisons containing Bromadiolone and 2 x STRONGER than those containing Difenacoum
- KILLS IN A SINGLE FEED - MAXIMUM LEGAL STRENGTH: All other rat poisons require multiple feeds. The Active Concentration in Formula B+ Advanced is Brodifacoum 0.0029%
- IRRESISTIBLE TO RATS - No wax content, manufactured from only top quality wholewheat grain, ensuring rapid uptake
- EASY TO USE - Formula B+ is supplied in 30 x 100g measured sachets for precise, effective control
- STRONGEST RAT POISON IN THE UK - Pest Expert's active concentration of Brodifacoum is unique in the UK at 0.0029%. Every other brand of Brodifacoum-based poison on the market is just 0.0025%. This means Pest Expert Formula B+ is almost 20% stronger than every other brodifacoum poison on the market, without exception!
9
Our Rankings
Opkill
Opkill Supreme Professional Rat Poison & Mouse killer Kit -150G Strongest Bait Available Single Feed Fast Acting Safe for Professional and Domestic use (Professional Choice Poison & 2x MOUSE Box's
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Main Highlights
- Our Paste has been professionally formulated to achieve optimal results, and all of our products are quality tested by professional pest controllers prior to public release.
- Single feed poison which means that unlike many other baits on the market, This poison is specifically designed to resolve an infestation from a single and to maximise bait take and delivery of poison to each rodent to maximise effectiveness from day 1!
- This Poison is a highly effective rodent killer, which leads the way against many other baits on the market.
- These easy-to-use pre-sachets simply fit onto rods for housing in our durable bait stations, which are specifically designed for this purpose. If you are baiting externally and/or within public areas, it is required that all baits are to be contained within lockable bait stations. These can be purchased separately or as a package.
10
Our Rankings
Pest Expert
Pest Expert Formula B+ Advanced Rat Bait Killer Poison 800g (8 x 100g) Strongest Single Feed Brodifacoum Fast Acting Control PRIME
8% Off
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Main Highlights
- NOT ALL RAT POISONS ARE THE SAME - Formula 'B+' Advanced is now up to 6 x STRONGER THAN ALL OTHER RAT POISONS available on the UK market!
- THE FACTS: Formula 'B+' Advanced is 4 x STRONGER than other rat poisons containing Bromadiolone and 6 x STRONGER than those containing Difenacoum
- KILLS IN A SINGLE FEED - MAXIMUM LEGAL STRENGTH: All other rat poisons require multiple feeds. The Active Concentration in Formula 'B+' Advanced is Brodifacoum 0.0029%
- IRRESISTIBLE TO RATS - No wax content, manufactured from only top quality wholewheat grain, ensuring rapid uptake
- EASY TO USE - Formula 'B+' Advanced is supplied in 8 x 100g measured sachets for precise, effective control
- STRONGEST RAT POISON IN THE UK - Pest Expert's active concentration of Brodifacoum is unique in the UK at 0.0029%. Every other brand of Brodifacoum-based poison on the market is just 0.0025%. This means Pest Expert Formula B+ is almost 20% stronger than every other brodifacoum poison on the market, without exception!