If you want the rat-eliminating power of Brodifacoum without spending the premium on Pest Expert Formula B+, then Ratkil is a cheaper option. Rooms and a building with hard surfaced (kitchens, sheds and greenhouses) are ideal environments in which to use a Sonic Pest Repeller. They can also be used in rooms with soft furnishings, such as bedrooms and living rooms, but take care not to obstruct the area in front of the unit. Rodents find the high frequency sound distressing and will move to a less hostile environment. Once the rat ingests your poison it will normally return to its nest where it will die. The length of time and number of feeds this takes is dependent on the potency of your poison. With some, it can be up to 10 days, while other poisons can kill within 24 hours. Roshield’s bait is suitable for domestic and commercial use, and it’s easy to use. Simply secure it in a bait box, place the box alongside walls inside or outside where there is known rat activity, and the rats will inevitably take the bait and return to their nest to die. Job done.

Rats tend to follow set routes, so once you’ve identified these via evidence such as dropping or chewed masonry or wood (a rat’s incisor teeth grow constantly, so they need to gnaw on things to wear their teeth down). They also prefer to move alongside walls for protection, so this is where you set your trap. The method really is quite simple – secure your poison in the bait station and place it strategically against a wall where rat action is in evidence. It’s important not to clean the area first: rats are intelligent and naturally suspicious of changes to their environment, so a cleaned area will make them wary, not to mention the sudden appearance of bait boxes! Rats can carry an array of diseases that can pass to humans, including Leptospirosis or Weil’s disease, Salmonella, Listeria, Toxoplasma gondii and Hantavirus, and can cause fires by gnawing through electrical cables. In fact, according to the British Pest Control Association via research carried out by the insurance sector, it is estimated that rodent damage to wiring is responsible for 25% of all electrical fires in buildings. Rats can cause multiple problems in the home, and they’re aggressive to boot. What’s more, property owners have a legal obligation under the Prevention of Damage by Pests Act 1949 to keep premises rat and mice free, or, if rats pose a threat to health or property, to report infestations to the local authority. EUH 208 Contains. May produce an allergic reaction.H317 May cause an allergic skin reaction.H373 May cause damage to organs through prolonged or repeated exposure.Naturally, at this price, you get fewer Brodifacoum-based pellets than you do with other options found here (6x 25g), but this is enough to kill 40 rats, so one bag might just suffice. If you have a more serious infestation, you may want to consider going down the professional exterminator road instead anyway. Its potency makes it suitable for both indoor and outdoor use, whether that be in homes, factories, farms and restaurants. If fast-acting no-compromise poison is required, Pest Expert Formula B+ is the right choice. Look for The Big Cheese range in the pest control aisle of Bunnings and selected independent garden and hardware outlets. We’ve looked at some of the best examples of each of the most commonly used and professionally recommended types here. All guarantee excellent elimination results, so it really comes down to personal choice and budget.

Durable: Suitable for use indoors in loft spaces, storage spaces or attics as well as outdoors around garden sheds, outbuildings and greenhouses The Big Cheese was founded in the United Kingdom in 1993 and has grown to be the No 1 rodent control brand in the UK.The key poisonous ingredient here is Bromadiolone, a powerful anticoagulant that works by stopping the rat’s blood from clotting and, unlike some rat poisons is potent enough to kill from one feed rather than several days of bait station visits. It’s not as rapid-acting as Brodifacoum or Bromadiolone – Difenacoum can take up to 10 days to kill rats – but once ingested the process starts immediately, so it’s slow but effective. The Big Cheese range of rodent control products designed to give users options, so they can decide what suits their particular situation. The comprehensive range extends from traditional traps to the latest in sonic technology. Rodent control options available include traditional catch & kill traps, live catch, poison baits, child and pet safer alternatives and sonic deterrents.

Designed to be irresistible to rats, the formulation is made from top quality wholewheat grain to guarantee immediate appeal, and unlike other rat poisons that rely on multiple feeds, Formula B+ kills on initial ingestion. While that ‘unique chocolately aroma’ sounds like it might be appealing to young children too, Roshield have added denatonium benzoate, a highly bitter substance, to deter consumption. It’s still dangerous to both people and pets, so needs to be stored away safely and securely. It’s highly toxic to aquatic life, too, so should be kept clear of ponds and disposed of in an environmentally safe manner. Rat poison containing Brodifacoum is the strongest that you are allowed to legally buy in the UK, so you can be assured of rat elimination from a single feed. As with the other baits featured here, Ratkil is made up of a formulation that rats find highly appealing. READ NEXT: The best video doorbells for your home The best rat poison to buy in 2023 1. Pest Expert Formula B+ Advanced: Best rapid-acting rat killer