How we approach roof lanterns in Corby
We handle roof lanterns across Northamptonshire, including Corby. In short: hipped glass lanterns that lift the ceiling of orangeries and extensions. The survey checks structure, weathering and orientation, so the quote reflects your actual roof.
Bungalows are common across parts of the Midlands, and sun tunnels or roof windows are a quick way to brighten internal hallways. In Corby, as anywhere, roof lanterns are the usual choice for orangeries, kitchen-diners and single-storey extensions.
Neighbouring towns include Uppingham (10 km) and Kettering (11 km). We offer a survey date when we reply to your enquiry.
Choices for your Corby project
- Rectangular, square or bespoke sizes
- Aluminium or uPVC systems
- Internal and external colours
- Solar-control or self-cleaning glass
- LED lighting in the plaster box
- Double or triple glazed with solar-control options
- Can include opening vents
Before you order: points to check
- Needs a strong, level kerb or upstand
- Plaster-box depth affects how the lantern looks from below
Planning, building control and Corby
In England a rooflight on a house is usually permitted development under Class C if it projects no more than 150 mm beyond the roof slope and sits no higher than the ridge. A rooflight on a side-facing slope must be obscure-glazed, and fixed shut unless the opening part is more than 1.7 m above the floor.
Building Regulations Approved Document L sets a limiting U-value of 2.2 W/m²K for new or replacement rooflights in existing homes, measured in the horizontal plane; roof windows need 1.4 W/m²K or a Band B energy rating. The Future Homes and Buildings Standards, published in March 2026, apply from 24 March 2027 and keep the 2.2 W/m²K limit for rooflights.
See our building regulations guide for U-values, glazing limits and self-certification.
What do roof lanterns cost in Corby?
These are typical supply-and-fit ranges. For an address in Corby, scaffold, a hoist for heavy glass, or a new structural opening can move the figure, which is why we survey first.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large or bespoke aluminium lantern | £5,995 – £10,795 | £4,995 – £8,995 |
| Mid-size aluminium lantern (2 × 3 m) Typical | £3,955 – £5,995 | £3,295 – £4,995 |
| Small lantern (1 × 2 m) | £2,995 – £3,955 | £2,495 – £3,295 |
What happens next
- Tell us what you have. Send the NN17 postcode, a rough size and a couple of photos.
- Free site visit. For new installs we survey free, measure and confirm the roof detail.
- Written price. You receive a fixed price listing the unit, the work and the lead time.
- Installation day. Usually one day into a prepared opening, longer for new openings.
Nearby towns
More we do in Corby
Roof lanterns in Corby: questions
Aluminium or uPVC?
Aluminium gives slimmer bars and a longer life; uPVC costs less. We fit both.
Do roof lanterns get hot?
They can in summer if clear glass is used on a south-facing roof. Solar-control glass and an opening vent make a big difference.
Can a lantern go on an existing extension?
Yes, if the flat roof structure can be opened up and trimmed. We check joists and the roof build-up at survey.
Is the survey in Corby free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
Can you work alongside my builder in Corby?
Yes. On new extensions we fit once the opening and upstand are ready and coordinate dates with your builder.
