What do sun tunnels & tubular skylights involve?
Sun tunnels & tubular skylights in Dorset means light pipes that bring daylight to halls and bathrooms with no window. Every quote follows a survey of the roof and the room below.
Many South West towns mix Georgian and Victorian terraces with modern estates, so the right product differs street by street. Western coasts take wind-driven rain, so we pay close attention to upstand height and flashing laps on exposed roofs.
Towns in Dorset
Specification options in Dorset
- Pitched or flat-roof flashings
- Integrated electric light
- Rigid (brighter) or flexible tubes
- Diffusers in several sizes
- Insulated tube sections
- Rigid or flexible tubes for awkward lofts
- Small ceiling opening, quick fit
Planning and building rules in England
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.
For English homes the energy rules ask for rooflights of 2.2 W/m²K or better and roof windows of 1.4 W/m²K (or WER Band B); most modern double glazed units meet both. 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.
Sun tunnels & tubular skylights prices in Dorset
The ranges below are typical for straightforward jobs; your fixed price follows a survey of your roof.
| Option | Guide price inc VAT | Ex VAT |
|---|---|---|
| Large rigid tunnel, long run | £1,675 – £2,275 | £1,395 – £1,895 |
| Standard rigid tunnel Typical | £1,315 – £1,795 | £1,095 – £1,495 |
| Compact flexible tunnel | £1,075 – £1,435 | £895 – £1,195 |
How the job runs
- Tell us about the roof. Send the postcode, rough sizes and a photo or two through the form, WhatsApp or the guide-price tool.
- Free survey. For new installations a surveyor measures the opening, checks the roof build-up and talks through glass and options.
- Fixed written quote. You get the product, the work and the price in writing. Nothing is ordered or paid for until you agree.
- Fitting and handover. We fit, seal and make good, then hand over product data, warranties and any certificate paperwork.
Sun tunnels in nearby areas
Common questions
Rigid or flexible tube?
Rigid tubes carry much more light. Flexible tubes are easier where the loft is cluttered, but lose light faster.
How much light does a sun tunnel give?
A good rigid tunnel on a bright day lights a hallway well. Output depends on tube diameter, length and the number of bends.
Will it get condensation?
Insulating the tube where it passes through a cold loft prevents most condensation.
Can it go through a flat roof?
Yes, with a flat-roof flashing and upstand.
Do I need to be at home for the survey in Dorset?
Yes — someone needs to let us into the room below and, where possible, show us how the roof is reached.
