How much does it cost to get rid of mice in Cornwall?

£150-£350 for most domestic properties covering a 2-3 visit programme (survey, treatment, follow-up, clearance). Larger or rural properties with multiple ingress points run £250-£400. Holiday-let and landlord quarterly contracts are typically £30-£60/month per property.

Why are mice treatments more than one visit?

Mice reproduce every 19-21 days. Killing visible adults leaves the breeding population intact. A 2-3 visit programme over 4-6 weeks catches successive generations and confirms clearance. Anyone quoting one visit is either coming once and hoping or about to add charges for visits 2 and 3.

Does the CRRU 2026 rule change affect what I pay?

Slightly yes. From 1 January 2026, professional rodenticide users must hold current CRRU stewardship certification (or CPD-scheme membership). A small number of non-certified Cornwall operators have left the rodenticide market, tightening supply and lifting the price floor by roughly 10-15%. Every controller we refer is CRRU-compliant.

Should I do mice control myself?

For one or two mice with an obvious entry point, DIY is usually fine — snap traps plus sealing the gap. For persistent activity, multiple rooms, loft incursions, holiday lets, rental properties or food businesses, professional is almost always the right call. The cost of failed DIY plus a professional after is more than starting professional.

Usually yes. The pest controller's quote covers the treatment programme and a written proofing report. The actual physical proofing work (sealing pipes, meshing air bricks, fitting brush strips) is normally a separate handyman or builder cost — £200-£500 for whole-property proofing on a typical Cornwall cottage. Skipping proofing is the single most common reason mice come back.

What's the cheapest legitimate way to get rid of mice?

For a one-off domestic problem: council pest control if you qualify (typically council tenants, benefit recipients), £60-£100 for a basic treatment. For a larger or recurring problem: a private 2-3 visit programme at £150-£220 is genuinely the cheapest because it actually clears the issue. Repeated cheap one-visit treatments cost more in total than one proper programme.

Mice Pest Control Cost in Cornwall: Real 2026 Prices Explained

Mice are the most-Googled pest in the UK. The question that drives most of those searches isn't "how do I identify them" or "what damage do they do" — it's "what's this going to cost me". This guide is the honest 2026 Cornwall answer: real treatment ranges, what a fair quote looks like, what the cheap quotes are hiding, and the quiet effect of January 2026's CRRU rule change on prices.

The short version

Standard domestic mice treatment (2-3 visits): £150-£220
HMO or larger multi-room property: £200-£350
Rural cottage with multiple ingress points: £250-£400
Landlord or holiday-let contract cover (quarterly): £30-£60/month per property
One-off survey + proofing recommendations (no treatment): £60-£120
Out-of-hours or weekend callout: typically +30%

These ranges hold across most of Cornwall in 2026. The Lizard, far west and deep rural Bodmin Moor sometimes carry a modest travel premium; Truro, Falmouth, Camborne and Redruth (where you have several controllers within reach) tend to sit at the lower end.

Why mice work isn't a single visit

A reasonable Cornwall pest controller will rarely quote you a one-visit mice job. Mice reproduce fast: a female mouse can produce a litter every 19-21 days, with 5-12 pups per litter. By the time you've spotted droppings, there's a small breeding population in residence. Killing the visible ones today and walking away tomorrow leaves the next generation undisturbed.

A standard 2-3 visit programme looks like:

Visit 1 — survey + bait/trap placement. The controller walks the property, identifies ingress points, places bait stations and/or snap traps at activity hotspots, photographs evidence and writes up a proofing list. Typically 60-90 minutes for a domestic property.
Visit 2 — 10-14 days later. Take-rate check, refresh bait, place new traps if needed, look for fresh activity. Typically 30-45 minutes.
Visit 3 — 10-14 days after that. Clearance confirmation. If activity has stopped, the controller writes up the proofing recommendations and closes the job. If activity continues, a fourth visit is usually included in the original quote.

What you're paying for is the programme, not the individual visit. Anyone quoting £60 for "a single mice treatment" is either coming once and hoping for the best, or about to add £60 each for visits 2 and 3.

What pushes Cornwall mice prices up

The drivers, roughly in order of effect:

Property size and layout. A 1-bedroom flat needs 2-3 bait stations; a 4-bedroom rural farmhouse with cellar, loft and outbuildings might need 12-15. Per-station pricing is small but it adds up.
Number of ingress points. A modern detached house may have 3-4 ingress points; a Cornish granite-and-cob cottage built in 1850 may have 30+. More gaps means more proofing time means a longer quote.
Outbuildings. Sheds, garages, stables, log stores, summer houses — each one is a separate site to bait and inspect. Rural Cornwall has lots of these.
Food sources. Properties next to a chicken run, horse feed store, dog food in the garage or a poorly-managed compost heap take longer to clear because rodents will keep arriving.
Access. Lofts with awkward access, locked outbuildings, cellars with low headroom — all slow the survey.
Holiday-let timing constraints. Treatment fitted around guest changeovers (where the controller has to work between 11am and 3pm on Saturdays) attracts a small premium because it locks up the controller's busiest slot.
Out-of-hours or weekend. Standard +30% premium.

What's actually included in a fair quote

A 2026 Cornwall mice quote at £180-£250 should include all of:

Initial survey (no separate charge)
Identification of ingress points with photographs
2-3 follow-up visits to confirm clearance
Locked, tamper-resistant bait stations (or alternative methods if pets/children are present)
Written report at the end with proofing recommendations
30-90 day callback guarantee if activity returns

What's usually NOT included:

The proofing work itself (builders/handymen quote separately, £150-£800 depending on scope)
Wildlife/dead body removal from inaccessible voids (sometimes added at £80-£150 if it becomes a smell issue)
Treatment of separate outbuildings if not part of the original quote
Replacement of contaminated insulation in lofts

Always ask: "what happens if activity continues after visit 3?". The answer should be "a further visit is included" — not "that's a new job".

How CRRU 2026 changed Cornwall mice pricing

From 1 January 2026, every professional buying or using Second-Generation Anti-coagulant Rodenticides (SGARs) — the strongest professional baits, used for the bulk of UK rodent treatments — must hold a CRRU-approved training certificate less than five years old, OR be a member of a CRRU-approved CPD scheme. Farm Assurance no longer counts. Sellers won't supply non-certified buyers.

The practical effect: a small number of Cornwall controllers who weren't keeping their CRRU certification current have either re-trained or stopped offering rodenticide work. Supply has tightened slightly. Where we saw £140-£180 starting prices in 2024, the floor has lifted to £150-£200 in 2026. It's not dramatic, but it's real.

What this means for you: every Cornwall controller we refer you to is CRRU-compliant. We verify before referring. A quote substantially below the 2026 ranges should make you ask whether the operator is using legal-strength products or homeowner-grade First-Generation bait.

Is the council cheaper?

Some Cornish councils still offer paid rodent treatments at below-market rates, typically for council tenants or benefit recipients. Cornwall Council's environmental health pages list current offers. The catch:

Waiting times of 2-4 weeks aren't unusual
Treatments tend to be light-touch (one visit, basic baiting) rather than a full programme
Proofing advice may be minimal
Holiday lets and commercial premises are usually excluded

For social-tenancy domestic mice problems, the council route is worth a phone call. For everything else — landlords, holiday lets, owner-occupiers in any hurry, commercial premises — the private market is usually the right call.

Where DIY makes financial sense

Honest DIY-vs-professional advice for Cornwall mice:

DIY usually fine:

One or two mice spotted in a small flat with a single obvious ingress point — pair snap traps with sealing the gap
Outbuilding/shed activity not connected to the main house — bait stations and a tidy-up usually suffice
An early-stage problem caught fast, before breeding gets established

DIY usually a false economy:

Persistent activity over more than 2 weeks despite traps — a population is established and proofing is needed
Multiple ingress points unclear without a torch survey
Activity in lofts or wall cavities — homeowner-grade products are too weak and you can't reach the harbourage
Anything in a food business, holiday let or rental property where documentation matters
Recurrent annual mice — points to a structural ingress issue that needs identifying and fixing

The single biggest mistake

People pay for treatment without paying for proofing. Mice need only a 5mm gap to enter — about the width of a biro. Killing the residents and walking away leaves the door open for the next mouse. Effective mice control is roughly 80% proofing, 20% killing. See our full rats and mice prevention guide for the 6-step proofing checklist.

Indicative proofing costs (handyman/builder rates in Cornwall, 2026):

Air brick meshing (per brick): £15-£30
Pipe penetration sealing with wire wool + sealant (per penetration): £20-£40
Brush strip on an external door: £25-£50 supply + fit
Soffit gap sealing (per metre): £20-£60
Whole-property proofing audit + fix (3-4 hours): £200-£500

Holiday-let mice — the contract case

For Cornwall holiday lets, contract cover almost always beats reactive pricing. A monthly inspection contract at £30-£60 is cheaper than a single mid-summer emergency callout (£200-£400 for a 2-3 visit reactive job), and protects you against the much bigger downside of a guest review mentioning droppings. Aggregators (Sykes Cottages, Classic Cottages, Cornish Cottage Holidays) increasingly expect documented pest management. See our holiday let pest control guide.

What to ask the pest controller before signing

Are you CRRU-compliant for SGAR use? (Mandatory from January 2026)
Are you BPCA Servicing Member or Affiliate?
How many visits are included in this quote?
What happens if activity continues after visit 3?
What's your callback guarantee period?
Do you write a proofing report or just treat?
Public Liability insurance — minimum £2m for BPCA standard?

If a controller hedges on the CRRU question or refuses to put the call-back guarantee in writing, walk away.

Get matched with a CRRU-compliant Cornwall mice specialist

Drop your postcode and a quick description on our quote form and we'll match you with one vetted, CRRU-compliant Cornwall pest controller in your area. No platform fee, no resold lead. See related: prevention guide, full Cornwall price guide, Truro pest control, Falmouth, Newquay.