How do you choose an outdoor ceiling light for a covered terrace?

Specify IP44 as the minimum for any outdoor ceiling lights on a covered terrace, because rain still drives sideways under an open roof edge and condensation forms on the fitting overnight. IP44 means the enclosure resists splashing water from any direction and blocks objects over 1mm — sufficient for a roofed space with open sides. If the terrace sits in an exposed coastal location or the roof is more open than enclosed, step up to IP54 or IP65. Check that the rating applies to the complete assembly, including the cable entry grommet and any glass diffuser seal, not just the decorative body. Cheap fittings often claim IP44 at the shade while leaving the backplate unsealed, which is where water actually collects. The Nordfor and Terba fittings both carry full IP44 enclosure ratings, which is the specification detail to verify before comparing style. Under BS 7671, the circuit feeding an outdoor fitting should also be RCD-protected, so confirm the consumer unit arrangement before installation rather than after.

Measure the shortest dimension of the terrace and halve it to get the maximum diameter for a single centrepiece fitting — a 3 metre wide terrace suits a shade around 40–50cm. A fitting that is too small disappears against the sky at night and reads as a dot rather than a light source. Ceiling height matters as much as footprint: allow at least 2.1 metres of clearance beneath any pendant, and on low ceilings below 2.4 metres use a flush or semi-flush ceiling light rather than a pendant. The Terba's 29cm diameter works well on typical 2.4–2.6 metre soffits, while a drop pendant like the Nordfor suits taller openings over 2.7 metres. For long, narrow terraces, two smaller fittings spaced evenly outperform one large one, giving a more uniform light distribution across the seating area. Position the fitting centred over the main table or seating zone rather than the geometric centre of the space, because the task area is where illumination earns its cost.

Choose a lamp in the 2700–3000K range for a covered terrace. Cool white above 4000K reads clinical against evening surroundings and flattens the colour of timber and stonework, while warm white sits comfortably against the ambient glow from the house. Specify LED throughout: a 5–7W LED replaces a 40W incandescent at roughly one-tenth of the running cost, and the Energy Saving Trust's advice on lighting puts typical LED savings at around £40 per year per household when older lamps are replaced across the home. Dimmability is worth specifying if the terrace doubles as a dining space — a dimmer lets the fitting drop to a low background level late in the evening. The ribbed glass on the Nordfor range diffuses the LED source so there is no visible glare point when you look up from a seated position, which is the common failing of bare-bulb outdoor fittings. Colour rendering matters too: pick CRI 80 or above so food, planting and furniture render true.

Any fixed outdoor ceiling light must be installed in line with BS 7671 by a competent person, with the circuit protected by a 30mA RCD. Even under a covered roof, the installation is treated as an external location, so cable should be suitable for outdoor use — steel-wire armoured or rubber-sheathed flexible cord rated for the temperature range. All connections must sit inside the fitting's terminal compartment or a rated external junction box; never leave a connector exposed behind the backplate. If the terrace is within 3 metres of a swimming pool or water feature, additional zones and restrictions apply and an electrician must assess the layout first. Because the light runs for extended evening periods, efficient lamping pays back quickly — the Energy Saving Trust's guidance on energy efficient lighting shows LEDs cut lighting electricity use by up to 90% compared with halogen. Register the installation with building control if it is notifiable work, which most outdoor circuits are, so the certification stays valid for future sale.