The Prism Helix 54899 is a contemporary flush ceiling light with a distinctive curved form and integrated LED lighting. Finished in matt black with contrasting white diffusers, its sculptural design adds visual interest without hanging far below the ceiling. Measuring approximately 45 cm in diameter and only 6 cm high, it is particularly practical for rooms where ceiling clearance is limited. The integrated 29W LED produces 1393 lumens at 3000K, providing warm white illumination without requiring separate bulbs. Its combination of a shallow profile, modern black finish and flowing illuminated curves makes the Helix well suited to bedrooms, living rooms, hallways and other modern interior spaces.
The Helix has a flowing, curved design that gives this ceiling fitting a more decorative appearance than a conventional round flush light. Its metal frame is finished in matt black, while white acrylic or plastic diffuser sections conceal the integrated LEDs and create a strong contrast with the darker exterior.
At approximately 45 cm across but only 6 cm deep, the fitting has a broad visual presence while remaining close to the ceiling. The combination of black, white and gently sweeping lines works particularly well with contemporary interiors and rooms featuring other black architectural or decorative details.
Integrated LED technology means there are no separate replaceable bulbs to purchase. The fitting uses a 29W integrated LED source and provides a total light output of 1393 lumens. Its 3000K colour temperature produces warm white light, suitable for everyday lighting in living and sleeping areas.
The design incorporates two illuminated sections, distributing light around the curved form rather than from a single central lamp. White diffusers help soften the appearance of the LEDs while maintaining the characteristic shape of the fitting when illuminated.
The Helix is mains operated and designed for fixed ceiling installation. Dimmability could not be reliably confirmed for this integrated LED model, so it should not be assumed to work with a dimmer switch.
- Living rooms requiring a modern flush ceiling light
- Bedrooms where warm white lighting is preferred
- Hallways and circulation areas with limited ceiling clearance
- Contemporary interiors with black decorative details
- Rooms where a 6 cm high fitting helps maximise headroom
- Spaces where integrated LED lighting is preferred to replaceable bulbs
- Distinctive curved Helix design creates a decorative focal point on the ceiling.
- Matt black finish suits modern and contemporary colour schemes.
- Integrated 29W LED eliminates the need to purchase separate bulbs.
- 1393 lumen output provides useful general illumination for domestic rooms.
- 3000K warm white light is well suited to living rooms and bedrooms.
- White diffusers soften the appearance of the integrated LED light sources.
- Approximately 45 cm diameter gives the fitting noticeable presence without a hanging suspension.
- Low 6 cm profile makes it suitable for rooms where ceiling height is restricted.
- Class 2 double insulated construction provides an additional level of electrical protection.
- Combines a decorative sculptural shape with practical integrated LED lighting.
- Very shallow construction is useful where a pendant or deeper semi-flush fitting would reduce headroom.
- Warm white 3000K illumination is suited to comfortable everyday residential lighting.
- Black and white detailing provides a clear contemporary look without additional decorative shades.
- Integrated LEDs mean the light is ready to use without choosing compatible replacement bulbs.
| Brand | Prism |
|---|---|
| Collection / Range | Helix |
| Product Code | 54899 |
| Product Type | Flush Ceiling Light |
| Finish | Matt Black |
| Colour | Black and White |
| Frame / Base Material | Metal |
| Shade / Diffuser Material | Acrylic / Plastic and Metal |
| Number of Lights | 2 |
| Integrated LED | Yes |
| Maximum Wattage | 29W integrated LED |
| Lumens | 1393 lm |
| Colour Temperature | 3000K |
| Bulbs Included | Integrated LED included |
| Dimmable | Not confirmed |
| IP Rating | IP20 |
| Class of Insulation | Class 2, double insulated |
| Height | 60 mm |
| Diameter | 450 mm |
| Installation Type | Fixed ceiling installation |
| Switch Type | Mains operated |
Does the Prism Helix 54899 need separate bulbs?
No. The Helix has a built-in 29W LED light source, so there are no separate bulbs to purchase or fit before use.
What colour light does the Helix produce?
The integrated LED is rated at 3000K, producing warm white light. This colour temperature is commonly suited to living rooms, bedrooms and other areas where a warmer appearance is preferred.
Is the Prism Helix 54899 dimmable?
Dimmability has not been reliably confirmed for this integrated LED fitting. It should therefore be treated as non-dimmable unless compatible dimming is specifically confirmed for the individual fitting.
Is this light suitable for a low ceiling?
Yes. The fitting is only approximately 6 cm high and mounts close to the ceiling, making it a practical option where a hanging pendant would take up too much headroom.
Can the Helix be used in a bathroom or outdoors?
The fitting is rated IP20, so it is intended for dry indoor locations. It should not be selected for outdoor use or bathroom locations that require a higher level of moisture protection.
Product range name and SKU: Helix - 54899
This product is supplied by Prism Lighting
| Product Info | |
| Brand | Prism |
| Product Code | 54899 |
| Range Name | Helix |
| Dimensions | |
| Height (cm) | 6 cm |
| Diameter (cm) | 45 cm |
| Bulb | |
| Energy Efficiency Class | G |
| Bulb Included | Yes |
| Number of Lights | 2 |
| Lamp Holder Type | Integrated LED |
| Type of Included Bulb | LED (build-in) |
| Colour Temperature (Kelvin) | 3000 K |
| Lumens Output | 1393 lm |
| Maximum Wattage (W) | LED 29W |
| Product Finish | |
| Shade / Diffuser Material | Acrylic / Plastic, Metal |
| Shade / Diffuser Colour | Black, White |
| Frame / Base Material | Metal |
| Frame / Base Colour | Black |
| Features | |
| IP Rating | IP20 |
| Class of Insulation | Class 2 (Double Insulated) |
| Switch Type | Mains Operated |
How bright is a light bulb?
Because the Lumen output from different manufacturers will vary. Here's a quick and easy guide to approximate total Lumen output.
Lumens |
Watts |
| 2600 Lumens (lm) | 150W |
| 1600 Lumens (lm) | 100W |
| 1100 Lumens (lm) | 75W |
| 800 Lumens (lm) | 60W |
| 450 Lumens (lm) | 40W |
Understanding LED colour temperature and the Kelvin scale
Colour temperature 2000K to 3000K, the light produced is often referred to as a "warm white", "soft white", occasionally called a "candle white". It ranges from orange-ish to yellow-ish white in appearance. This kind of light is attractive, enjoyable, comfortable and relaxing.
Colour temperature 3100K to 4500K, the light produced is often referred to as a "neutral white", "bright white" or "natural white". Light sources within this range will emit a more neutral white light and may even have a slightly blue tint. This kind of light is bright, vibrant and clean appearing.

Colour temperature 4600K and above, the light produced is often referred to as a "cool white", "pure white" or "day white". Light sources in this range will have a blue-ish white tint to them. The higher the number, the more blueish it will appear. This kind of light will appear crisp, invigorating and energetic.
Please refer to full guide described in the main LED bulbs description