Clapham Junction is the busiest railway interchange in Europe, and the embankments and sidings around it hold a permanent rodent population. St John's Hill and Lavender Hill add a dense strip of restaurants and takeaways with flats directly above, which is the usual route indoors.
Rats in Clapham Junction
Brown rats and black rats are London's most serious pest problem, causing extensive property damage and health risks. For a full breakdown of the species, the health risks and every treatment option, see our rats guide — or browse everything we treat across Wandsworth.
Why Clapham Junction sees them
- Extensive railway embankments and sidings
- Restaurant waste with residential space directly above
- Limited rear access for bin storage
- Conversions sharing structure with commercial units
Signs to look for
- Droppings (12-18mm long, dark brown)
- Gnaw marks on wood, plastic, cables
- Scratching sounds in walls/ceilings
- Grease marks along walls
- Strong ammonia-like odor
How we treat rats here
Professional baiting systems with rodenticides, followed by proofing and monitoring
Properties in Clapham Junction are typically flats above shops, restaurants and takeaways, railway-side terraces, which shapes how we approach access and proofing. Every treatment includes a follow-up visit and a written prevention plan.
Areas we cover
Other pests we treat in Clapham Junction
Rat Control nearby
Frequently asked questions
How quickly can you treat rats in Clapham Junction?
We reach most addresses in Clapham Junction within 35 minutes, covering SW11. For rats specifically we aim to attend within 2-4 hours of your call, and we run a 24/7 line for urgent cases.
How much does rat treatment cost?
Rats treatment starts from £149. The final price depends on the size of the property and the extent of the infestation, and we confirm it in writing after the survey — there is no call-out charge.
How do I know if I have rats?
The most reliable signs are: Droppings (12-18mm long, dark brown); Gnaw marks on wood, plastic, cables; Scratching sounds in walls/ceilings; Grease marks along walls. If you are seeing any of these, book a survey rather than waiting — rats rarely resolve on their own.
How do you treat rats?
Professional baiting systems with rodenticides, followed by proofing and monitoring Our success rate on rats is 95%, and treatment includes a follow-up visit and a written prevention plan.
Are rats dangerous?
Rats are rated high risk. The main health concerns are weil's disease (leptospirosis), salmonella food poisoning, hantavirus pulmonary syndrome. They can also cause electrical wire damage causing fire risk.
How can I stop rats coming back?
Seal holes larger than 6mm; Remove food sources and water; Trim vegetation away from buildings. We include a prevention plan with every treatment and can arrange scheduled monitoring for properties that have had repeat problems.
Why are rats common in Clapham Junction?
Extensive railway embankments and sidings, and Restaurant waste with residential space directly above. Combined with the local property mix — flats above shops and restaurants and takeaways — this gives rats the harbourage and access they need.
Do you cover the whole of Clapham Junction?
Yes. We cover every street in Clapham Junction across SW11, including Clapham Junction Station, Lavender Hill, St John's Hill. Call 07727 053568 to book.

