The Best Mowers

Long-term review · Updated May 2026

Husqvarna Automower 305 Review

By The Best Mowers UK · 14 months on a 480 m² Surrey test lawn

Husqvarna Automower 305 robot mower on a UK garden

Specs

Lawn coverageUp to 600 m²
Cutting width22 cm
Cut height20–50 mm
Battery18V Li-ion (replaceable)
Average mowing time70 mins per session
Maximum slope40% (22°)
BoundaryBoundary cable required (250 m supplied)
ConnectivityBluetooth + 4G GPS theft alarm
Noise59 dB
Weight9.4 kg

Real-world test (14 months)

We installed the 305 in March 2025 on a 480 m² Surrey lawn — typical British semi back garden, three flower beds, a 30% slope at the back, two trees. Boundary cable install took us 4 hours including pegging and a few re-routes around tree roots. From the moment we connected the dock to mains the 305 has run a 4-day-a-week schedule for 14 months with three minor interventions: blade swaps every 10 weeks (5 minutes), one boundary cable repair after a fox dug it up (15 minutes), one firmware update (automatic).

What we loved

  • Mature firmware — Automower OS has had 11+ years of refinement and it shows. No random getting-stuck moments, no app bugs that survive a release.
  • Slope handling — the 30% bank at the back of our test lawn defeated every wire-free robot we tried before. The 305 climbs it without complaint.
  • GPS theft alarm — pick the mower up off the lawn and an alarm sounds within 5 seconds; the app pings your phone within 10. Garden theft happens — this matters.
  • Quiet enough for night runs — 59 dB is genuinely "I forgot it was running" quiet.

What we didn\'t love

  • Boundary cable install — half a Saturday minimum. The single biggest barrier to entry vs newer wire-free robots.
  • Random mowing pattern — the 305 wanders, it doesn\'t mow in lines. Cut quality is uniform but the lawn never looks "freshly mowed" the way a Bosch Indego or a wheeled mower does.
  • The 22 cm cut width is small — for the £1,099 price you might expect 24–28 cm. Bigger Automowers (415X, 450X) are correspondingly more.
  • Replacement blades nag — every 10 weeks. Not expensive, but a recurring task you\'ll forget about.

How it compares

For boundary-cable robots, the closest rival is the Bosch Indego S+ 500 at £849 — cheaper, mows in tidy parallel lines, but slope-limited to 27% and smaller lawn coverage. For wire-free, the Mammotion Luba 2 AWD at £1,799 skips the cable install but the firmware is two years old vs Husqvarna\'s 11. The Worx Landroid Vision M800 at £999 is the budget wire-free alternative — works in good light, struggles in heavy shade.

Who should buy it

UK lawn owners with 250–600 m² who want a robot mower they can install once and forget about for a decade. Anyone whose lawn has slopes that would defeat wire-free rivals. Anyone who values "this will still work in 2036" reliability over the latest features.

Don\'t buy it if your lawn is over 700 m² (look at 415X), if you can\'t face boundary cable install (look at NERA range or Mammotion Luba), or if budget is hard-capped at £1,000 (look at Worx Landroid Vision).

What real owners say

r/automower is one of the most active robot mower communities on Reddit. We pulled real owner comments about the 305 and the Automower platform — here\'s what actual buyers say.

"It was the best decision ever. My allergies were so bad, if I worked the next day, I usually had to call out. Literally life changing."

— u/Warner1281, r/automower (28 upvotes on OP)

"I would mow with a surgical mask and glasses, and then throw everything in the wash and shower. Not having to deal with more allergens is great."

— u/smitherenesar, r/automower

"The 305 is the same as 310 mk2 and 315 mk2. That chassis tops out at 1500 m². It has a wider cutting width [than the Aspire R4]. For the 305 you have to let the dealer install the Connect card that communicates via cellular network (4G). You get a GPS position then."

— u/Subwarpspeed (detailed technical breakdown), r/automower

"Great mowers though."

— u/St0ni0 (after noting the Husqvarna app can be unstable), r/automower

"It was the front loop sensor. Replaced it and all is working fine again!"

— u/Ok-Yengineer-7917 after troubleshooting a 305, r/automower

The r/automower consensus: the hardware is rock-solid — frustrations centre on the app and boundary wire faults (usually animal damage). The 305\'s community is large enough that troubleshooting is straightforward, and most issues resolve with a sensor swap or wire repair rather than a costly dealer visit.

Frequently asked questions

Is the Husqvarna Automower 305 worth £1,099?+
For a lawn between 250–600 m² that you want to keep looking like a lawn without weekend effort, yes — the 305 is the most reliable robot mower we've tested across 14+ months. The £1,099 sticker is steep but covers an 11-year-mature firmware platform that newer rivals haven't caught up with.
How hard is the boundary cable to install?+
Half a Saturday for an average UK lawn. You peg the supplied cable around the lawn perimeter and around any flower beds or trees, using the included plastic pegs. Burying the cable is optional but tidier — adds another half-day. Husqvarna dealers will install it for £200–£400 depending on lawn complexity.
Will it climb a UK lawn slope?+
Up to 40% gradient (about 22 degrees), which covers virtually any UK domestic lawn including fairly steep banks. We tested ours on a 32% bank in the Surrey test garden — handled it fine. For lawns over 40% gradient, look at the X-Line Automowers (450X is rated 45%) or Mammotion Luba 2 AWD.
How loud is it? Can I run it overnight?+
Sub-60 dB, which is genuinely quieter than most kettles. We run ours 22:00–06:00 in summer with the bedroom window open and don't hear it. Worth setting a no-mow window during evenings if you have neighbours close by — Husqvarna's app makes this easy.
How often do the blades need changing?+
Every 8–12 weeks of active use during the growing season. Three razor-blades on a free-spinning disc, replacement is 5 minutes with the included tool. Genuine Husqvarna blade packs cost £18 from a dealer; aftermarket packs are £8–£10 on Amazon and work fine.
What happens in winter?+
Mowing season for the 305 in the UK is roughly March to October. In winter we recommend bringing it indoors — Husqvarna sells a winter storage cover but a dry shed shelf works. Disconnect the dock from mains, pull the boundary cable connectors, charge the battery once mid-winter, and you're set.