New Velux window installation, replacement of failed units, and flashing upgrades. All tile profiles covered. Covering Northallerton, Bedale, Thirsk, Romanby and the surrounding area.
New Velux window installation, replacement of failed units, and flashing upgrades. All tile profiles covered. Velux installation from £600 including flashing kit. Free quotes.
Full installation of new Velux roof windows including structural opening, flashing kit matched to tile profile, and internal lining.
Like-for-like replacement of failed or damaged units. We source the correct size and specification to match existing openings.
Replacement of failed Velux flashing kits without replacing the window unit — the most common cause of Velux leaks.
Fixed and opening roof lights for flat roof sections. GRP or aluminium-framed units with correct upstand and weathering.
Roof window installation as part of loft conversion preparation. We work alongside builders and joiners on conversion projects.
Velux sun tunnel light pipes for internal spaces that can't accommodate a full roof window. Flexible or rigid tube options.
Northallerton's housing stock is predominantly Victorian and Edwardian town centre properties with Welsh slate or clay plain tile; 1930s semis on residential streets; modern estates on the fringe. Understanding the specific roof types and their failure modes is what separates a knowledgeable local roofer from a national firm that sends whoever's nearest.
Vale of Mowbray location with open exposure from north and east; higher wind exposure than towns sheltered by the Pennines. This directly affects how quickly specific roofing problems develop and which repair approaches last longest in local conditions.
Mortar ridge failure on exposed pitches; lead flashing failure on Victorian town centre stock; nail sickness on 1960s–70s fringe estates. We attend these jobs regularly across Northallerton and carry the most common materials on the vehicle to avoid return visits.
Industry-recognised quality and safety standards.
Written workmanship guarantee on all work.
Fixed quote before we start. No surprises.
We get on the roof before quoting. Always.
Velux installation from £600 including flashing kit. Free quotes. No call-out fee.
“Period property in town centre — clay plain tile re-roof done correctly. They sourced matching tiles and understood conservation requirements without being told.”
“Velux window had been leaking since it was installed years ago. Turned out to be the wrong flashing kit — replaced it and the leak stopped immediately.”
“Called about ridge tiles after a windy week. On site next day, repointed the full ridge line, spotted a failing flashing we hadn't noticed. Thorough.”
Realistic 2025 prices for Northallerton properties. All quotes are free, written and itemised before work begins.
| Job Type | Typical Cost |
|---|---|
| Velux flashing kit replacement | £250–£450 |
| Velux unit replacement (like-for-like) | £400–£800 |
| New Velux installation (single) | £600–£1,000 |
| New Velux installation (two windows) | £900–£1,600 |
| Flat roof light installation | £800–£1,400 |
| Sun tunnel installation | £400–£700 |
All prices are installed costs. Call 01325 000 000 for a free written quote.
New Velux window installations in Northallerton are generally permitted development — no planning permission required — provided the window sits flush with the roof slope and doesn't project more than 150mm. The main exceptions are listed buildings and conservation area properties, both of which exist in Northallerton. Georgian and victorian market town properties in the high street and surrounding streets in Northallerton — if your property is period construction we'll confirm any planning constraints at survey before materials are ordered.
The most common cause of Velux window leaks in Northallerton is failed flashing rather than a fault with the window unit itself. Velux flashings are tile-profile specific — the wrong flashing kit for the tile type, or a degraded kit after 15–20 years, allows water to track around the frame and into the reveal below. Northallerton's higher annual rainfall compared to southern England means flashings that might last 20 years in a drier climate show deterioration in 12–15 years. We replace flashing kits as the first step for any leaking Velux before recommending full unit replacement.
Northallerton has a significant stock of older properties — Georgian and Victorian market town properties in the High Street and surrounding streets, 1930s and post-war residential development on the outskirts, with Vale of Mowbray villages in the rural catchment — where Velux installation requires matching the existing tile profile exactly. Velux manufacture flashing kits for most common UK tile profiles including Welsh slate, clay plain tile, and the standard concrete interlocking profiles used across the area's post-war housing stock. Where an unusual or discontinued tile profile is involved, we confirm the correct flashing specification before ordering to ensure a weathertight installation from day one.
In most cases no. Roof lights that sit flush with the roof slope and don't project more than 150mm are permitted development on most residential properties. Exceptions are listed buildings, conservation area properties, and some newer developments where permitted development rights have been removed. We'll flag this at survey.
The most common cause is failed flashing rather than a fault with the window unit itself. Velux flashings are specific to tile profile — if the wrong kit was fitted or the original has degraded, water tracks in around the frame. We can usually replace just the flashing kit without replacing the window, which is significantly cheaper.
A single window installation typically takes half a day to a full day including making good the tile work around the opening. Multiple windows or more complex structural openings take longer. We'll give you a realistic time estimate in your quote.
Yes. We're registered with the National Federation of Roofing Contractors, which means we meet recognised industry standards for quality, safety and workmanship. All our work comes with a written 10-year workmanship guarantee.
Yes. All quotes are free, no-obligation and provided in writing. We get on the roof to measure and inspect before quoting — we don't estimate from the street. There's no call-out charge for the survey visit.
We cover Darlington and approximately a 20-mile radius including Stockton-on-Tees, Middlesbrough, Newton Aycliffe, Bishop Auckland, Northallerton, Shildon, Spennymoor, Hurworth, Heighington, Ferryhill, Sedgefield and all surrounding villages.
Yes. We carry £5m public liability insurance on all work. We're happy to provide evidence of insurance cover before starting any job. Never use a roofing contractor who can't provide proof of insurance.
No call-out fee. No obligation. 15 miles from Darlington base via the A167 — typically 25–30 minutes.
01325 000 000