Sun tunnels & tubular skylights for Welwyn Garden City: the essentials
Thinking about sun tunnels & tubular skylights in Welwyn Garden City? The short answer: light pipes that bring daylight to halls and bathrooms with no window. The longer answer depends on your roof, which is why we survey before we price.
Many South East homes have been extended more than once, and an old dome over an earlier extension is often due for replacement. Think of sun tunnels & tubular skylights for small internal rooms where a full rooflight will not fit.
Welwyn Garden City sits about 4 km from Hatfield and 9 km from Hertford, and we cover the whole AL8 postcode district and the roads in between.
Specification options
- Ventilation adaptor
- Insulated tube sections
- Integrated electric light
- Pitched or flat-roof flashings
- Diffusers in several sizes
- Low maintenance
- Daylight where no window is possible
What to check first
- Light output falls with tube length and bends
- Gives light, not a view
Planning and building rules for Welwyn Garden City
English householder permitted development (Class C) normally covers rooflights that stand no more than 0.15 m proud of the roof plane and stay below the highest part of the roof. Listed buildings need listed building consent, flats have no householder permitted development rights, and an Article 4 direction can remove the rights in some conservation areas.
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. In an extension, glazing including rooflights is normally limited to 25% of the new floor area plus any windows or doors the extension covers, unless a whole-house calculation shows otherwise.
Our planning guide covers each nation in more detail.
Sun tunnels & tubular skylights prices in Welwyn Garden City
Guide prices for sun tunnels & tubular skylights in Welwyn Garden City are the same as anywhere we work — what changes the price is the job: access, structure, scaffold and finishing.
| 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 |
The process, step by step
- Get in touch. Use the form, WhatsApp or the guide-price tool with your Welwyn Garden City address.
- Survey. We measure the opening, check the roof build-up and agree the options.
- 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 Welwyn Garden City
Common questions
Do sun tunnels need planning permission?
Usually not on a house, provided the dome does not project too far and the property is not listed. Check if you live in a conservation area or a flat.
Can it go through a flat roof?
Yes, with a flat-roof flashing and upstand.
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.
Is the survey in Welwyn Garden City free?
Yes for new installations. Repair visits are charged, and we tell you the price before we book.
How do I book a survey in Welwyn Garden City?
Send your postcode and, if you can, a photo of the roof and the room. We offer a survey date when we reply.
