Best Outdoor Heaters in the UK 2026
British gardens deserve year-round comfort, and the right outdoor heater can extend your patio season from spring through autumn. Whether you're hosting garden parties during unpredictable UK weather or simply want to enjoy morning coffee outside, outdoor heaters transform how you use your garden space. From portable electric models that require no installation to permanent gas heaters warming larger areas, we've researched the best options currently available on Amazon UK. Popular brands like Dyson, De'Longhi, Kettler, and Dimplex offer reliable solutions for smaller gardens and expansive terraces alike. This guide covers electric infrared heaters, traditional gas heaters, and innovative fan-based models—all tested in typical British conditions with consideration for UK safety standards and energy efficiency ratings.
What to Look For
- 1Check for CE marking and UK safety certifications; outdoor electric heaters must comply with BS EN 60335-2-82, gas models with BS EN 1824
- 2Consider garden layout and heating area—electric models suit patios up to 20 sqm, gas heaters work better for larger spaces and continuous use
- 3UK Consumer Rights Act 2015 guarantees 2 years fit-for-purpose; check seller warranty extensions for items over £250
- 4Calculate running costs—electric heaters cost 15–30p per hour, gas heaters 8–20p depending on fuel prices and usage patterns
- 5Verify tip-over protection and stability features; UK wind exposure demands heaters with weighted bases and automatic cut-off switches
Our Top Picks
Dyson AM09 Hot + Cool Heater
Pros
- Bladeless design safe around children and pets
- Dual use—heats in winter, cools in summer
- HEPA filter captures 99.95% of airborne particles
- Whisper-quiet operation versus traditional heaters
- Premium build with 2-year UK warranty
Cons
- Higher upfront cost than basic models
- Not suitable for very large garden spaces
- Requires mains electricity; less portable than battery options
Premium indoor-outdoor heater perfect for UK homeowners wanting year-round comfort and safety.
De'Longhi Radiant Heater HeatSafe 5
Pros
- Affordable entry point for outdoor heating
- Instant heat via infrared—no warm-up time needed
- Adjustable stand and tilting head for targeted warmth
- CE marked and tested for British weather conditions
- 2-year UK Consumer Rights Act protection included
Cons
- Larger footprint requires stable, level ground
- Heats specific zone rather than open areas
- Outdoor use limited to dry conditions (splash resistant only)
Best value outdoor heater for UK patios seeking reliable, no-fuss infrared warmth under £220.
Outsunny Portable Electric Patio Heater
Pros
- Budget-friendly option well under £130
- Space-saving tower design fits small patios and balconies
- Instant infrared heat—no fuel or gas canisters needed
- Highly portable between garden areas
- CE certified for UK electrical safety standards
Cons
- Limited heating range compared to larger models
- Requires nearby power outlet or extension lead
- Single heat level without temperature control
Best budget outdoor heater for small UK gardens and apartments seeking portable, electric warmth.
Kettler Garden Flame Pro Propane Heater
Pros
- Highest heat output—warms large garden areas and terraces
- Continuous heating independent of mains electricity
- Natural gas conversion option available via qualified engineer
- Professional appearance suits upscale garden designs
- Lower running costs when heating large spaces frequently
Cons
- Requires separate propane tank purchase; refills cost £15–25
- Heavier and less portable than electric models
- Natural gas conversion requires Gas Safe registered engineer
- Annual safety checks required under UK Gas Safety Regulations 1998
Best premium option for large UK gardens; gas heaters offer maximum coverage and cost efficiency for frequent entertaining.
Editor's Note
UK buyers must verify CE marking on all electrical heaters and BS EN certification for gas models. Electric heaters require BS EN 60335-2-82 compliance (outdoor use equipment), gas heaters BS EN 1824. Under the UK Consumer Rights Act 2015, goods sold new must be fit for purpose for 2 years minimum—request seller warranties for items above £250. For British weather, prioritise tip-over protection and weatherproof ratings. Electric heaters typically cost 15–30p per hour; propane gas runs 8–20p per hour depending on regional fuel prices and usage intensity. British wind exposure demands heaters with weighted bases and automatic cut-off switches.