Pest control isn't cheap, but it shouldn't be a mystery either. This guide sets out what Cornwall residents, holiday-let owners and businesses should expect to pay in 2026 for the common pest jobs — what affects the price, what's a fair quote, and where DIY is a sensible call versus a false economy.

The short version

Most Cornwall pest control jobs in 2026 fall in these ranges:

  • Wasp nest treatment: £80-£200 per nest
  • Rat control (2-3 visit programme): £180-£400
  • Mice control (2-3 visit programme): £150-£350
  • Bedbug treatment (insecticide programme): £200-£800
  • Bedbug heat treatment (whole property): £700-£2,000+
  • Bird proofing (spikes, netting, post-and-wire): £300-£2,500+
  • Commercial pest control contract (per site): £30-£200/month depending on size and risk

Cornwall pricing sits broadly in line with the UK average — sometimes a touch above for very remote rural callouts, sometimes below the national average because the local market is competitive and Cornwall has fewer national-chain pest controllers driving prices up.

Wasp nest treatment: £80-£200

This is the simplest and most common Cornwall pest job. A single accessible nest in eaves, a shed, a garden bank or a low-level chimney runs £80-£120 for a one-visit professional treatment. Roof access, two-storey work, cavity walls or particularly awkward angles push you to £120-£200. Hornet nests typically £150-£250 because of the extra caution required.

What you're paying for: a professional-grade insecticidal powder or spray (not the diluted aerosol you can buy in a garden centre), the kit and training to apply it safely at height where needed, and the controller's time and travel. The nest is treated, the colony dies back over 24-48 hours, and the nest is removed where accessible.

A few council services in the UK still offer wasp treatments at subsidised rates (£40-£60 typical) but most Cornish councils have phased these out. Private treatment is now the standard.

What pushes the price up:

  • Access — roof work or cavity wall treatment takes longer and may need ladder/scaffold safety equipment
  • Out of hours or weekend (typically +30%)
  • Bank holidays (variable, but expect a premium)
  • Multiple nests at the same site (usually a discount per additional nest)
  • Late season (August-September) when controllers are at peak demand and may not discount

See our full wasp nest removal guide for the detail on what a treatment involves and why DIY usually fails.

Rat control: £180-£400

Rats are never a one-visit job. A proper Cornwall rat control programme is 2-3 visits over 4-6 weeks: visit 1 surveys, identifies ingress points and places locked bait stations; visit 2 (10-14 days later) checks take, refreshes bait, looks for new activity; visit 3 confirms clearance and writes up proofing advice.

Standard domestic rat treatment: £180-£250. Rural properties with multiple outbuildings, stables and feed stores: £250-£400. Commercial premises are quoted on site after a survey because the scope varies so much.

The Cornwall-specific drivers:

  • Rural properties — barns, outbuildings, garden sheds and farm-adjacent gardens all need separate baiting stations
  • Holiday lets — food waste and bin storage drive year-round rat pressure
  • Coastal harbour villages — old buildings with stone-and-mortar floors are riddled with ingress points

From 1 January 2026 all professional users of Second-Generation Anti-coagulant Rodenticides (SGARs) must hold current CRRU stewardship-specific training certification (less than 5 years old) or be members of a CRRU-approved CPD scheme. This isn't optional — sellers won't supply non-certified users. Every pest controller we refer is CRRU-compliant.

Mice control: £150-£350

Mice are slightly cheaper than rats because they need smaller stations and fewer materials, but the principle is the same: 2-3 visit programmes, treatment plus proofing, the second half (proofing) being the bit that actually stops them coming back.

  • Standard domestic mice treatment: £150-£220
  • HMO or multi-room property: £200-£350
  • Rural cottage with multiple ingress points: £250-£400
  • Landlord contract cover (quarterly inspection): £30-£60/month per property

The single biggest mistake people make is paying for treatment without paying for proofing. Mice need only a 5mm gap to enter a property. Killing the ones already in residence is pointless if the next mouse can simply walk in. 80% of effective mice control is proofing. See our rats and mice prevention guide.

Bedbug treatment: £200-£800 (insecticide) or £700-£2,000+ (heat)

This is where prices vary most. Two main approaches:

Insecticide programmes — 2-3 visits over 4-6 weeks, applying professional-grade insecticide to mattresses, bed frames, skirtings, carpet edges and any harbourage. £200-£600 for a 1-2 bedroom property, up to £800 for larger or more resistant cases. The treatment works but you're committed to a multi-week sequence; bedbugs lay eggs that hatch after the first treatment, so the second visit catches the newly-emerged.

Heat treatment — specialist heaters raise the whole room or property to lethal temperatures (typically 50°C+ sustained) over several hours, killing all life stages including eggs in one visit. £700-£1,100 for a 1-bedroom property, £900-£1,400 for 2-bedroom, £1,200-£2,000+ for larger or complex homes.

For Cornwall holiday lets, heat treatment often wins on total cost because the property is back in service in one day rather than locked out for a 4-6 week treatment cycle. For domestic properties on a budget, insecticide is usually the right call if you can live with the multi-visit sequence.

Bird control: £300-£2,500+

Bird proofing in Cornwall is mostly seagulls and pigeons. The legal position matters before you commit to any price — herring gulls and lesser black-backed gulls are protected under the Wildlife & Countryside Act 1981 and are not on Natural England's 2026 general licences. Lawful control is proofing, scaring, and food-source management; killing or nest destruction requires an individual Natural England licence.

Typical Cornwall bird proofing prices:

  • Roof spikes (residential, chimneys/parapets/ridges): £300-£900
  • Netting (rear yards, balconies, restaurant terraces): £500-£2,500
  • Post-and-wire systems (low-profile, long roof edges): £600-£2,000
  • Scaring deterrents (optical/audio, predator decoys, kite hawks): £150-£500
  • Bird gel (small parapets, narrow ledges): £200-£600
  • Solar panel pigeon mesh (a Cornwall holiday-let staple): £300-£800

The best time to install bird proofing is October to February, outside the nesting window — installation is faster, cheaper, and legally simpler. See our seagull and pigeon control guide.

Commercial pest control: £30-£200/month per site

Holiday lets, restaurants, hotels, food businesses and landlord portfolios mostly run on ongoing contracts rather than reactive callouts. Typical Cornwall 2026 pricing per site per month:

  • Single-site holiday let: £30-£60/mo (monthly or quarterly inspection)
  • Small restaurant or cafe: £40-£80/mo
  • Hotel (mid-size): £80-£200/mo
  • Food production site: quoted on survey
  • Multi-property landlord portfolio: per-site discount applies

Why contracts are usually the right call: a single out-of-hours bedbug callout at a holiday let in peak season is £400-£800. A monthly contract is £30-£60. The maths almost always favours the contract for any commercial property where reputational damage or compliance documentation matters. See our pest control for holiday lets guide.

What makes Cornwall pricing different

A few Cornwall-specific drivers:

  • Drive times — the Lizard, the moor, the far west all add travel time that may show up in the quote
  • Seasonal demand — June-September prices firm up because controllers are at full diary capacity
  • Holiday-let premium — Padstow/Rock, St Ives, Newquay and other peak-tourist areas sometimes see 10-20% above county-average pricing
  • No mainland chain dominance — Cornwall pest control is mostly local independents and a few BPCA Servicing Members, which keeps prices honest but means availability is the real constraint, not price

When DIY is sensible — and when it isn't

DIY usually sensible:

  • Initial mouse traps in a small kitchen issue — pair with proofing the entry point
  • Garden-centre ant powder for occasional ant trails
  • Wasp deterrent if the nest is genuinely in a far-corner shed and unlikely to be encountered
  • Routine bin and food-waste hygiene to head off rodents and gulls

DIY usually a false economy:

  • Active wasp nest near living spaces — DIY sprays make the wasps angrier and blocking the entry forces them through plasterboard
  • Persistent rats — over-the-counter products are too weak; CRRU restrictions are tightening
  • Bedbugs — DIY almost always fails; you'll still need a professional after spending £100+ on ineffective products
  • Birds — DIY proofing rarely lasts a season and the legal risk of doing it wrong is real
  • Anything in a food-prep area — EHO documentation comes from BPCA Servicing Members, not B&Q receipts

How to spot a fair quote

Things to ask the pest controller before committing:

  • Are you BPCA Servicing Member or Affiliate? If not, what training do you hold (Lantra Level 3 is the standard minimum)?
  • Are you CRRU-compliant for rodenticide use? Mandatory from January 2026
  • What's included in the quote? Survey, treatment, follow-up visits, proofing materials, written report
  • What's NOT included? Extra rooms, additional visits if needed, out-of-hours work
  • Public Liability insurance? Should be £2m minimum for BPCA standard; £5m+ for commercial
  • Guarantee? Most reputable Cornwall controllers offer a 30-90 day re-treatment guarantee

If a controller quotes substantially below market range (e.g. £40 for a wasp nest, £80 for a rat treatment), be cautious. They're either uninsured, untrained, or about to surprise you with extras.

Get a free quote

If you're not sure what your job should cost, the easiest thing is to submit a postcode and a quick description via the form on our homepage. We match you with one vetted Cornwall pest controller in your area; they quote you direct, no platform fee, no resold lead.