Clerkenwell's warehouses and workshops became studios, offices and flats, and the conversions kept the original timber floors, lightwells and service runs. Those retained features connect units vertically and horizontally. Exmouth Market and the restaurant trade around it supply the food waste.
Rats in Clerkenwell
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 Islington.
Why Clerkenwell sees them
- Retained timber floors and structural voids
- Lightwells and original service runs connecting units
- Exmouth Market food trade
- Mixed live-work occupancy
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 Clerkenwell are typically warehouse and workshop conversions, design studios and offices, exmouth market restaurants, 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 Clerkenwell
Rat Control nearby
Frequently asked questions
How quickly can you treat rats in Clerkenwell?
We reach most addresses in Clerkenwell within 25 minutes, covering EC1. 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 Clerkenwell?
Retained timber floors and structural voids, and Lightwells and original service runs connecting units. Combined with the local property mix — warehouse and workshop conversions and design studios and offices — this gives rats the harbourage and access they need.
Do you cover the whole of Clerkenwell?
Yes. We cover every street in Clerkenwell across EC1, including Exmouth Market, Clerkenwell Green, Farringdon. Call 07727 053568 to book.

