Rat Control London — Complete Treatment & Drain Inspection for £389
Stop the rats, find the entry route and help prevent them returning. We inspect the property and accessible drains, implement professional control, seal suitable small kitchen holes, return to check and report everything in writing.
Urgent and same-day London attendance may be available. Send the postcode, property type, floor level, evidence and photographs for the fastest assessment.
Tell Us What Happened
Send your postcode, property type, floor level, the location of activity and photographs. We will explain the most appropriate next step and provide a clear quotation.
Professionally qualified technicians
Current professional training
Inspect, monitor and recheck
Findings, photographs and actions
More than 15 years of practical London pest-control experience across homes, flats, hospitality and complex managed buildings. Last reviewed July 2026.
Get the Right Help Without Guesswork
You should not need to understand drains or rat behaviour before asking for help. Start with what you saw, heard or found.
Rat inside the property
Close internal doors, keep children and pets away and do not corner or handle it. We assess whether it is isolated or part of a wider route.
Request Urgent AdviceRat at or inside a toilet
Close the lid if safe, shut the room and call. We investigate the toilet, soil pipe, accessible manholes and connected sewer routes.
See Our Real CaseNoises in walls or attic
Tell us the room, floor and time. Sewer rats can climb through connected cavities and reach upper floors.
See Kensington CaseDroppings or gnawing
Photograph the evidence and its scale before cleaning. Avoid dry sweeping extensive contamination.
Previous treatment failed
Repeated baiting may reduce rats without finding a broken drain, redundant connection or open structural route.
Commercial emergency
We provide discreet inspection, treatment, drain investigation, reporting and proofing for London businesses.
Everything Included for £389
The standard residential programme combines investigation, active control, visual drain checks, suitable minor kitchen proofing, follow-up and written evidence.
1. Internal and external inspection
We inspect relevant kitchens, cupboards, appliances, basements, lofts, utility areas, gardens, service routes, building elevations and other affected or connected spaces.
2. Evidence-led assessment
Droppings, gnawing, footprints, smears, burrows, nesting, noises, food sources, previous treatments and likely entry routes are assessed together.
3. Visual drain investigation
Safely accessible manholes are opened and checked for droppings, smears, open connections and obvious defects. Suitable monitoring bait may be secured inside.
4. Appropriate professional control
Depending on risk and evidence, we use traps, monitoring, tamper-resistant stations, targeted baiting or physical removal. We do not use one automatic method everywhere.
5. Small kitchen-hole sealing
Suitable small, easily accessible kitchen entry points are sealed where safe, practical and unlikely to trap an active rat inside.
6. Written photographic report
Findings, treatment, accessible drains, entry points, photographs and recommendations are recorded for the customer and relevant responsible parties.
How the two visits work
Investigate
Inspect inside, outside and accessible drain chambers. Identify evidence, risks and likely routes.
Control
Install the appropriate traps, monitoring or bait and seal suitable small kitchen routes.
Return and confirm
Check fresh evidence, equipment, drain monitoring and proofing, then update the written report.
Why Poison Alone Is Not Rat Control
Rodenticide may control active rats, but it cannot repair a pipe, close an entry point, install a blocker or stop the next rat arriving from the sewer.
Control the present activity
Professional traps, monitoring or targeted baiting are selected according to evidence, access and risk.
Find the route
We investigate drains, pipe penetrations, cavities, doors, vents, gardens and connected properties.
Prevent recurrence
Proofing, rat blockers, drainage repair and environmental corrections address the cause rather than only the symptom.
Our integrated approach reflects HSE rodenticide guidance, which recognises hygiene, physical barriers, traps and responsibly controlled biocides as parts of rodent management.
Visual Rat Drain Inspection and Monitoring
Brown rats commonly travel within sewer and drainage networks. A clean property can still experience rats where a defective, redundant or unprotected route leads towards the building.
| Included visual inspection | Separate specialist service |
|---|---|
| Safely accessible manhole covers | CCTV camera surveying and recording |
| Visible droppings, smears and debris | Drain jetting and blockage clearance |
| Obvious chamber connections and defects | Pipe lining, excavation or structural repair |
| Suitable chamber monitoring bait | Plumbing, sanitary or public sewer work |
| Follow-up bait and activity check | Heavy, sealed, unsafe or specialist covers |
Professional Stainless-Steel Rat Blockers
A correctly positioned one-way blocker allows wastewater to flow normally while restricting rats travelling upstream from the sewer. Suitability depends on the pipe, direction, chamber and every connected route.
Four-inch blocker
Device from £109
Installation from £89
For a suitable standard four-inch pipe with safe chamber access.
Six-inch blocker
Device from £159
Installation from £89
For a suitable six-inch route with safe chamber access.
Customer supplied
Must be correctly sized, compatible and undamaged.
Workmanship is guaranteed; the device warranty stays with its supplier.
We check before installation
- Wastewater flow direction
- Pipe diameter and condition
- Correct outlet towards the sewer
- Whether another branch bypasses the device
- Blockage or obstruction risk
- Whether several blockers are necessary
- Whether CCTV or repair is needed first
One-year guarantee and maintenance
Blockers supplied and installed by Bon Accord carry a one-year guarantee under the written conditions. Correct installation, secure positioning and qualifying workmanship defects are covered.
Blockers should be checked at least once a year, and more frequently in drains carrying grease, heavy waste or debris.
Rat Emerging Through a Toilet at a Beauty Premises
The emergency and evidence
A Central London beauty business contacted Bon Accord after a rat was discovered at the toilet. We attended, found the rat and identified visible scratching inside the toilet consistent with the report.
Inspection of the accessible manhole chamber confirmed rat activity within the drainage system. Rats were travelling from the sewer through connected pipes and into concealed wall cavities.
Why one blocker was not enough
The chamber contained multiple relevant branch routes. Protecting only the nearest pipe would have left other sewer access open.
After assessing the direction and drainage arrangement, Bon Accord installed three correctly positioned stainless-steel rat blockers.
Bon Accord’s complete work
- Urgent internal inspection
- Rat control and removal
- Toilet and sanitary-route assessment
- Accessible manhole inspection
- Drain monitoring and route analysis
- Three blocker installations
- Wall-cavity checks
- Follow-up and written findings
The result
After the three routes were protected, no further rats emerged through the toilet, internal sightings stopped and activity inside the wall cavities ceased.
When We Recommend CCTV Drain Investigation
CCTV is not added automatically. It is useful when the likely route is concealed beyond an accessible chamber.
Repeated infestation
Rats return after ordinary treatment or activity continues without an obvious above-ground opening.
Drain evidence
Manhole monitoring confirms activity or a toilet, soil pipe or underfloor route is implicated.
Hidden structural defect
Cracks, displaced joints, redundant branches or concealed connections are suspected beneath the property.
Camera work can reveal concealed defects, but the scope, access, recording and specialist drainage requirements vary, so CCTV is quoted separately.
Sewer Rats Reached a Third-Floor Attic
Why the attic was misleading
A Kensington client experienced rat activity in the attic of a three-storey home. Because the evidence was high above ground, it would have been easy to assume that the rats entered through the roof.
Our investigation established that rats were entering from the sewer and climbing through concealed building cavities all the way to the attic.
Our investigation and solution
- Inspected the attic evidence
- Assessed cavities and service routes
- Investigated accessible drainage
- Confirmed sewer-related movement
- Implemented internal control
- Installed suitable rat blockers
- Monitored and returned to verify
Professional Rat Proofing
Treatment controls the active infestation. Proofing protects the routes rats could use next.
Where we investigate
Behind freestanding appliances, beneath kitchen units, around soil and service pipes, inside cupboards, behind bath panels, at wall-to-floor junctions, around vents, beneath doors, in basements and within communal risers.
Small accessible kitchen holes are included in the £389 programme where they can be sealed safely and properly.
Specialist materials
Depending on the opening, we use stainless or galvanised mesh, fitted metal plates, pest-resistant sealants, mortar, vent protection and combined systems.
Expanding foam alone is not presented as permanent proofing where rats can reach and gnaw it.
One-year complete-proofing guarantee
Where Bon Accord completes the agreed full-property specification, qualifying breaches of treated proofing points are inspected and corrected without an additional proofing charge. New damage, alterations, excluded areas, untreated neighbouring routes and drainage defects outside the scope are not covered.
PROOFING
GUARANTEE
Rat-Dropping Removal and Disinfection From £189
Cleaning is not included in the £389 treatment programme. We quote it separately according to contamination, area and access.
Removal
Accessible droppings, nesting material and contaminated debris can be removed using an appropriate controlled method.
Cleaning and disinfection
Selected accessible surfaces are cleaned and treated with an appropriate professional disinfectant.
Evidence and advice
Before-and-after photographs, a written record and recommendations for damaged or inaccessible materials can be provided.
Rat-Control Prices in London
The standard residential programme is £389. Additional work is explained and agreed before it begins.
| Service | Scope | Price |
|---|---|---|
| Residential rat-control programme | Two visits, inspection, visual drain checks, control measures, minor kitchen proofing and report | £389 |
| Accessible manhole inspection | Visual checks, suitable monitoring and follow-up assessment | Included |
| Four-inch blocker | Device from £109 plus installation from £89 | From £198 complete |
| Six-inch blocker | Device from £159 plus installation from £89 | From £248 complete |
| Cleaning and disinfection | Subject to contamination and access | From £189 |
| CCTV drain survey | Camera investigation and reporting | Quoted separately |
| Full-property proofing | Written scope and one-year guarantee | Quoted separately |
| Commercial rat control | Site-specific treatment and reporting | Quoted individually |
Three-Month Rat-Treatment Guarantee
Additional qualifying treatment at no extra treatment charge
Where continuing rat activity is confirmed during the guarantee period, Bon Accord provides additional inspection and treatment under the written terms. The guarantee applies after the complete two-visit programme has been completed.
TREATMENT
GUARANTEE
Complete programme, access and reporting
Safety, equipment and aftercare
Repairs and untreated routes
New introductions and alterations
Remedy and separate guarantees
Full written guarantee terms, scope and dates are supplied with the quotation or service report. Commercial work may have site-specific conditions.
Signs of Rats and What to Do Before We Attend
Common evidence
- Live sightings
- Large droppings beneath units or along routes
- Gnawed packaging, timber, plastic or cables
- Dark smears along repeated paths
- Burrows beneath sheds, decking or near drains
- Footprints or tail marks
- Movement in walls, ceilings or lofts
- Persistent urine or carcass odour
Before the visit
- Photograph evidence before cleaning
- Record the exact room, floor and time
- Store food and pet food securely
- Keep bin lids closed
- Disclose all previous products and treatments
- Tell us about children and pets
- Identify accessible manholes
- Do not seal suspected active holes too early
Commercial Rat Control London
Bon Accord has experience across five-star hotels, Michelin-recognised restaurants, independent hospitality, beauty and wellness premises, shops, offices, HMOs, serviced accommodation and managed portfolios.
Restaurants and food sites
Urgent inspection, treatment, drain assessment, contamination recommendations, proofing, monitoring and photographic reporting.
Hotels and guest accommodation
Discreet work across guest areas, kitchens, basements, bin stores, service corridors and back-of-house spaces.
Shops, offices and portfolios
Coordinated investigation of shared risers, loading areas, communal drains, neighbouring units and contractor responsibilities.
Rat Control Across the Whole of London
We cover all London boroughs and the City of London. For serious or unusual cases, attendance outside London may be possible subject to postcode and technician availability.
What Rat-Control Customers Say
“Bon Accord dealt with the rats in my house very efficiently… They also installed a device on the drain to prevent any future visitors!”Hugh Webb — verified Trustpilot review
A verified customer reported that Bon Accord attended within an hour after a large rat entered a tenant’s flat, caught it and reassured the resident.Gillian White — verified Trustpilot review
Root-Cause Rat Control, Clearly Documented
Qualified specialists
RSPH-qualified, BPCA-trained technicians with more than 15 years of practical London experience.
Drain checks included
Safely accessible chambers are inspected, monitored where suitable and checked again at follow-up.
Not bait and leave
We investigate the route, implement control, return, assess the evidence and document the next action.
Written photographic proof
Customers and responsible parties can see what was found, treated, sealed and recommended.
Real difficult-case experience
Toilet emergence, multiple sewer branches, concealed cavities and sewer rats reaching third-floor attics.
Clear guarantees
Three-month treatment cover and separate one-year guarantees for qualifying blocker and proofing work.
Related Bon Accord guides and services
Rat Control London FAQs
Open any question for concise information about the £389 programme, drains, blockers, proofing, cleaning and guarantees.
How much does rat control cost?
Bon Accord’s standard residential rat-control programme costs £389. It includes two scheduled visits, internal and external inspection, visual checks of safely accessible drains and manholes, appropriate treatment, small accessible kitchen entry-hole sealing and a written photographic report.
Does the £389 price include a follow-up visit?
Yes. The price includes an initial investigation and treatment visit plus a scheduled follow-up to check for fresh evidence, assess traps or bait, recheck accessible drain chambers and confirm whether further proofing or drainage work is needed.
Do you inspect drains during every rat-control programme?
We visually inspect safely accessible manholes and drain chambers where available. Suitable monitoring bait may be secured in the chamber and checked at follow-up to help establish whether rats are active within the drainage route.
Is a CCTV drain survey included?
No. The standard service includes a visual inspection of safely accessible chambers. CCTV camera investigation is quoted separately when concealed pipework, redundant connections, breaks or displaced joints must be examined.
Why do you put monitoring bait in a manhole?
Activity at the monitoring point can help establish whether rats are using the drainage system. We consider the result alongside droppings, smear marks, sightings, noises and the full property inspection rather than relying on bait activity alone.
Does the £389 service include proofing?
It includes sealing suitable small, easily accessible kitchen entry holes where this is safe and will not trap an active rat inside. Larger openings, fitted-kitchen dismantling, concealed voids and full-property proofing are quoted separately.
How much does a rat blocker cost?
A four-inch stainless-steel blocker starts from £109 and installation starts from £89, giving a complete service from £198. A six-inch blocker starts from £159, giving a complete service from £248. The price depends on access, chamber condition and pipe configuration.
Can I purchase my own rat blocker?
Yes. A customer may supply a suitable compatible blocker. Bon Accord’s one-year cover applies to the installation workmanship; the customer-supplied device remains subject to its manufacturer or retailer warranty.
How often should a rat blocker be checked?
At least once every year. More frequent inspection may be advisable where the drain carries heavy grease, waste or debris, or has a history of blockages.
Can rats really come through a toilet?
Yes, although it is uncommon. Bon Accord resolved a Central London commercial case where sewer rats travelled through connected drainage pipes, emerged at a toilet and also accessed wall cavities. Three correctly positioned blockers stopped the routes.
What should I do if a rat is in my toilet?
Close the lid if this can be done safely, keep children and pets away, close the bathroom door and call for professional advice. Do not handle the rat, repeatedly flush it or pour poison, bleach or acid into the toilet.
Can sewer rats reach an upper-floor attic?
Yes. In a Kensington case, rats travelled from the sewer through concealed cavities and reached a third-floor attic. Investigation, control and suitable drain blockers resolved the activity.
Will poison alone get rid of rats?
It may control active rats, but it cannot repair a broken drain, install a blocker or close a structural route. Long-term control depends on identifying and addressing how rats are entering.
Do you use traps?
Yes. Professional traps, monitoring or targeted baiting may be selected after inspection and risk assessment. We do not apply one automatic method to every property.
Can a rat die beneath the floor or inside a wall?
Yes. Where rodenticide is used, a rat may die in an inaccessible location. We consider this risk when selecting the treatment method and explain it before treatment.
Can you remove a dead rat?
Accessible dead rats may be removed during treatment. Opening walls, floors or fitted structures to search for an inaccessible carcass is separate work and requires assessment.
Is rat-dropping cleaning included?
No. Dropping removal, contaminated-material clearance and professional disinfection are available as an additional service from £189. The final price depends on the affected area, contamination and access.
How long is the rat-treatment guarantee?
The completed standard residential programme carries a three-month treatment guarantee. Where qualifying continuing rat activity is confirmed, additional inspection and treatment are provided without an additional treatment charge, subject to the written conditions.
Is full rat proofing guaranteed?
Complete proofing carried out to Bon Accord’s agreed written specification carries a one-year guarantee, subject to access, structural, new-damage, third-party alteration and untreated-route conditions.
Do you treat commercial properties?
Yes. Bon Accord provides discreet inspection, rat control, drain assessment, monitoring, proofing, cleaning and reporting for restaurants, hotels, beauty premises, shops, offices, HMOs, serviced accommodation and managed properties.
Do you cover all of London?
Yes. We work across all London boroughs and the City of London. For serious or unusual infestations, attendance outside London may be possible subject to postcode and technician availability.
How quickly can you attend?
Urgent and same-day appointments may be available depending on the postcode, access and technician schedule. Call 020 3369 6965 or send the postcode, property type, evidence and photographs to check availability.
Request Professional Rat Control in London
Send the postcode, property type, floor level, exact location of activity, previous treatment and clear photographs. Tell us if the report involves a toilet, drain, wall, ceiling or attic.
- Complete standard residential programme: £389
- Four-inch blocker supplied and installed from £198
- Six-inch blocker supplied and installed from £248
- Cleaning and disinfection from £189
- Three-month treatment and one-year qualifying proofing/blocker guarantees*
*Guarantees remain subject to the written scope, dates, access, reporting, aftercare, structural, reintroduction and third-party alteration conditions. CCTV, major proofing, drain repair and commercial work are quoted separately.
Contact Us
HOW CAN WE
HELP YOU?
Get in touch with our friendly customer service team now if you want to book an appointment or if you have any questions about rat control and what can be done to get rid of them – for good.
