Bayonet cap (also known as BC or B22) are the most popular light bulbs in the UK. LED versions use 90% less energy and have remarkably longer life - 20 years is not untypical.
Electricity costs are calculated using the UK: Price Cap (April 2022) electricity rate of 28.00 pence per kWh.
| Ordered by price (lowest to highest) | Cost / year* | Buy |
1  |
Star Trading 359-24-1 LED Lamps 2.4W B22 |
£1.47 | From £7.90 |
2  |
Sylvania 0027255 LED Lamp 4W B22 |
£2.45 | From £4.03 |
3  |
Philips LED Lamp 6W B22 |
£3.68 | From £3.59 |
4  |
Philips Hue White Filament 17cm LED Lamp 7W ST72 B22 |
£4.29 | From £22.49 |
5  |
Calex 474513 LED Lamps 7W B22 |
£4.29 | From £10.00 |
6  |
Philips Hue White LED Lamp 7W B22 |
£4.29 | From £12.99 |
7  |
Star Trading 375-42-2 LED Lamps 7.5W B22 |
£4.60 | From £7.90 |
8  |
Philips Hue White Ambiance LED Lamps 9W B22 2-pack |
£5.52 | From £25.00 |
9  |
Philips Hue White LED Lamps 9W B22 |
£5.52 | From £12.00 |
10  |
Philips Hue White and Color Ambience LED Lamps 9W B22 |
£5.52 | From £49.99 |
11  |
Hive 12cm LED Lamps 9W B22 |
£5.52 | From £21.00 |
12  |
Nanoleaf Essentials LED Lamps 9W B22 |
£5.52 | From £14.97 |
13  |
Philips Hue White Ambience LED Lamps 9.5W B22 |
£5.83 | From £19.99 |
14  |
Hive HALIGHTRGBWB22 LED Lamps 9.5W B22 |
£5.83 | From £39.49 |
15  |
Philips Hue White and Color Ambiance LED Lamps 10W B22 |
£6.13 | From £25.00 |
16  |
Philips CorePro LED Lamp 13.5W B22 |
£8.28 | From £3.20 |
17  |
Integral 2700K LED Lamp 13.5W B22 |
£8.28 | From £5.77 |
18  |
Bell 03012 Incandescent Lamps 100W B22 |
£61.32 | From £1.75 |
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