Small screw (E14) LED bulbs: from £1.67.

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Source: Retailers' own product feeds, through Awin · Bulbs checked 6 Nov 2026, 05:35

Example: swapping one 25 W bulb for the cheapest of these, on 3 hours a day at the Great Britain average price cap rate, saves about £6.54 a year. The savings calculator takes your own bulbs, hours and rate.

1. 01

   Crompton Candle LED Light Bulb E14 2.2W (25W Eqv) Cool White Opal Small Screw Frosted

   2.2 W LED, 250 lumens: about as bright as a 25 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   Cheapest We earn commission

   One bulb

   £1.67

   Go to Simply LED →
2. 02

   Crompton Candle LED Light Bulb E14 2.2W (25W Eqv) Daylight Opal Small Screw Thermal Plastic Frosted

   2.2 W LED, 250 lumens: about as bright as a 25 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.67

   Go to Simply LED →
3. 03

   Crompton Golfball LED Light Bulb E14 2.2W (25W Eqv) Warm White Opal Round Small Screw Frosted

   2.2 W LED, 250 lumens: about as bright as a 25 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.67

   Go to Simply LED →
4. 04

   Crompton Golfball LED Light Bulb E14 2.2W (25W Eqv) Cool White Opal Round Small Screw Frosted

   2.2 W LED, 250 lumens: about as bright as a 25 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.67

   Go to Simply LED →
5. 05

   Crompton Golfball LED Light Bulb E14 2.2W (25W Eqv) Daylight Opal Round Small Screw Frosted

   2.2 W LED, 250 lumens: about as bright as a 25 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.67

   Go to Simply LED →

Example: swapping one 40 W bulb for the cheapest of these, on 3 hours a day at the Great Britain average price cap rate, saves about £10.28 a year. The savings calculator takes your own bulbs, hours and rate.

1. 01

   Crompton Candle LED Light Bulb E14 4.2W (40W Eqv) Warm White Opal Small Screw Frosted

   4.2 W LED, 470 lumens: about as bright as a 40 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   Cheapest We earn commission

   One bulb

   £1.97

   Go to Simply LED →
2. 02

   Crompton Candle LED Light Bulb E14 4.2W (40W Eqv) Cool White Opal Small Screw Frosted

   4.2 W LED, 470 lumens: about as bright as a 40 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.97

   Go to Simply LED →
3. 03

   Crompton Candle LED Light Bulb E14 4.2W (40W Eqv) Daylight Opal Small Screw Thermal Plastic Frosted

   4.2 W LED, 470 lumens: about as bright as a 40 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.97

   Go to Simply LED →
4. 04

   Crompton Golfball LED Light Bulb E14 4.2W (40W Eqv) Warm White Opal Round Small Screw Frosted

   4.2 W LED, 470 lumens: about as bright as a 40 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.97

   Go to Simply LED →
5. 05

   Crompton Golfball LED Light Bulb E14 4.2W (40W Eqv) Cool White Opal Round Small Screw Frosted

   4.2 W LED, 470 lumens: about as bright as a 40 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £1.97

   Go to Simply LED →

Example: swapping one 60 W bulb for the cheapest of these, on 3 hours a day at the Great Britain average price cap rate, saves about £15.37 a year. The savings calculator takes your own bulbs, hours and rate.

1. 01

   Crompton Golfball LED Light Bulb E14 6.5W (60W Eqv) Daylight Opal Round Small Screw Frosted

   6.5 W LED, 806 lumens: about as bright as a 60 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   Cheapest We earn commission

   One bulb

   £2.37

   Go to Simply LED →
2. 02

   Crompton Golfball LED Light Bulb E14 6.5W (60W Eqv) Cool White Opal Round Small Screw Frosted

   6.5 W LED, 806 lumens: about as bright as a 60 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £2.37

   Go to Simply LED →
3. 03

   Crompton Golfball LED Light Bulb E14 6.5W (60W Eqv) Warm White Opal Round Small Screw Frosted

   6.5 W LED, 806 lumens: about as bright as a 60 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £2.37

   Go to Simply LED →
4. 04

   Crompton Candle LED Light Bulb E14 6.5W (60W Eqv) Daylight Opal Small Screw Thermal Plastic Frosted

   6.5 W LED, 806 lumens: about as bright as a 60 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £2.37

   Go to Simply LED →
5. 05

   Crompton Candle LED Light Bulb E14 6.5W (60W Eqv) Cool White Opal Small Screw Frosted

   6.5 W LED, 806 lumens: about as bright as a 60 W bulb, as the retailer says too

   Checked 6 Nov 2026, 05:35

   We earn commission

   One bulb

   £2.37

   Go to Simply LED →

• Prices come from the retailer's own product feed, supplied through Awin, for one bulb. Delivery isn't included, and the retailer's page has the final price and VAT: check both before you order. Multi-packs and coloured bulbs aren't listed.
• We work out which old bulb an LED matches from its brightness in lumens, which bulbs must state on their packaging, rather than from a retailer's "equivalent to" wording. There is no official table, so the groups use the figures bulb makers and advice sites use, and a wide check that the lumens are possible for the watts.
• Check the fitting on your old bulb or light: Small screw (E14) is the shape of the base. A bulb that is dimmable only works with a dimmer switch, and the product page says whether it is.

• Small bayonet (B15)
• Bayonet (B22)
• Large screw (E27)
• Spotlight (GU10)