The leading bed bug heat specialists in Portsmouth. Fast, discreet, and guaranteed removal.
Dealing with bed bugs is stressful. ThermoPest are BPCA and NPTA accredited specialists — not a generalist pest company, but a dedicated bed bug treatment team trusted by homeowners, landlords and naval accommodation managers across Portsmouth.
We eliminate infestations in a single visit with a 60-day guarantee. Same-week appointments available.
Reputable
Trusted by homeowners & businesses like you
Fast Results
One visit for complete eradication
Eco-friendly
Minimal amounts of chemicals used
Discreet
Unmarked vans and unbranded uniforms
Value
Save 35% compared to major pest control companies
Guaranteed Peace of Mind: All complete heat treatments come with a 60-day warranty*, giving you confidence in a pest-free future.
If you notice one or more of the signs mentioned above, give our team a call at 0808 189 2310 or e-mail us at office@pest.co.uk to arrange a professional inspection as soon as possible.
Bed bug infestations are biologically resilient and require specialist intervention. Request a call back today.
Our bed bug heat treatment process is the same whether you’re in a terraced house in Southsea or an HMO near the naval base — thorough, discreet and completed in a single visit.
Our technicians raise the temperature of your property to between 49°C and 60°C, maintaining that lethal range for a sustained period. This level of heat penetrates deep into mattresses, furniture joints, skirting boards and wall voids — every place bed bugs and their eggs hide.
Unlike chemical treatments which can miss hidden life stages and require multiple visits, heat treatment eliminates the infestation completely in one day. You can return to your property the same evening.
Want the full technical detail? See exactly how our heat treatment works →
Heat treatments that eliminate bed bugs in a single session without using harmful chemicals.
Emergency bed bug service designed to deliver rapid relief followed by complete eradication.
Proactive monitoring and prevention to keep your property pest-free for the long term.
Highly trained detection dogs quickly locate bed bugs, ensuring precise and effective treatment.
Professional cleaning services to sanitise mattresses, furniture, and affected areas.
Our heat treatment uses proven methods tested on thousands of infestations. To back this up, we offer a 60-day guarantee post-treatment:
If any signs of bed bug activity are found within 60 days, we’ll carry out a follow-up treatment at no extra cost.*
*Please refer to our terms and conditions for detailed information regarding acceptable proof of live bed bugs, including video evidence or evidence of bugs caught on a trap, as well as the types of buildings that are included or excluded.
Portsmouth has a distinctive bed bug risk profile unlike most UK cities. The combination of a large naval base and military community, busy international ferry terminal, significant student population and high proportion of HMO rental properties creates multiple simultaneous pathways for infestation spread.
Southsea and Fratton have particularly dense terraced housing where infestations can spread between neighbouring properties quickly. The city’s transient population — naval personnel on rotation, students arriving and departing annually, and international ferry passengers — means infestations are introduced and spread at higher rates than in more settled communities.
If you’ve noticed bites, blood spots on bedding or small dark marks on your mattress seams, don’t wait. Early treatment is faster, less disruptive and less expensive than dealing with a fully established infestation.
Unlucky, I found some bed bugs in one of my bed rooms. Luckily, I found James’ contact number, I called him and explained the situation, he gave me very reasonable quotation and guaranteed that he will solve the problem. He came next day giving first treatment and came again after 7 days. After two treatments, the bed bugs were all killed and I never had the same issue again.
I am so pleased with their professional service, and high recommend him to anyone who has the same problem.
Megan
I run a small Airbnb in London, and a guest alerted me about a potential bed bug issue. I was mortified and knew I needed immediate help to protect my reputation. I called Gavin at ThermoPest, and he responded quickly with a clear plan. Highly recommend them if you’re looking for a bed bug exterminator who knows what they’re doing.
Robert Metcalfe
Bed bugs are definitely not the kind of present you want to bring back from holiday but unfortunately we did- even after staying in a nice hotel chain! These guys offered a guarantee and a great price so we decided to go with them. It was a great decision as it took only only visit to get rid of the issue. Worth every penny. Plus we have not needed to call them back at all. Thanks to Jamie and team for sorting.
Georgia
I’ve tried to get rid of the bed bugs (after unfortunately bringing them back from Thailand) myself, and I tried two other companies who cane out and sprayed and this was unsuccessful. I contacted these and someone came out the next day to survey my home and the treatment was booked in for a few days time. Safe to say I no longer have bed bugs and they even give you a guarantee. Thanks James and team.
Danielle L
ThermoPest Portsmouth
ThermoPest Bed Bug Treatment Portsmouth
Whether you’re searching for “bed bug treatment near me” or need a trusted “professional bed bug exterminator in Portsmouth ,” ThermoPest is your go-to solution. proudly serves the entire Portsmouth area, including:
We typically book Portsmouth treatments within 2–3 days of first contact. Same-week appointments are often available for urgent cases. Call 0808 189 2310 or request a quote online to check current availability.
Yes — all complete heat treatments come with a 60-day guarantee. If any live activity is detected within 60 days of treatment, we return at no additional charge. See our Pricing & Guarantee page for full details.
We cover Portsmouth, Southsea, Fratton, Cosham, Fareham, Gosport and the wider Portsmouth area. Isle of Wight by arrangement.
Portsmouth has above-average bed bug risk driven by several factors unique to the city. A high proportion of HMO and shared rental properties serving the naval community and students, a busy port and ferry terminal with international passenger traffic, and a large student population across the University of Portsmouth all contribute. The city's dense terraced housing in Southsea and Fratton also enables faster spread between properties.
Yes — the University of Portsmouth has a large student population and student housing in Southsea, Fratton and Buckland is a common treatment area for us. We also regularly treat naval accommodation and HMOs serving the armed forces community. See our Letting Agents page for landlord services.
In most cases the landlord is responsible for treating a pre-existing infestation, while tenants may be liable if they introduced the infestation after moving in. Portsmouth has a large private rental sector serving naval personnel, students and service workers — landlord responsibility questions are common here. We provide full treatment documentation for both parties. Call us for impartial advice on your specific situation.
Yes — Portsmouth International Port is one of the UK's busiest ferry terminals with routes to France, Spain and the Channel Islands. International ferry travel is a well-documented source of bed bug spread and Portsmouth residents who travel regularly or work in the port sector face elevated exposure risk. Hotels near the port are also common treatment cases.
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