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Velux & Skylights Aylesbury

Velux, skylight and dormer window installation across Aylesbury — fitted with the correct flashing for your roof covering and the planning position confirmed first. From a single stairwell skylight to a full loft conversion.

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A Velux window installed in Aylesbury costs £1,200–£2,000 for a standard size, or £1,500–£3,000 for larger units. The flashing — correct for your roof covering — is what keeps it watertight. Planning confirmed at survey. Call 0129 670 6028.
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Roof Windows

Velux and Skylight Installation in Aylesbury

A roof window transforms a dark loft, landing or extension — and fitted properly it is completely weathertight for decades. We install Velux and other roof windows, roof lights, and dormer windows across Aylesbury and the surrounding area, from a single skylight over a stairwell to multiple windows in a full loft conversion.

Getting the Install Right

A roof window is only as good as its flashing. The window itself is a reliable, sealed unit; the failures come from poor flashing where the window meets the surrounding tiles. We use the correct Velux flashing kit for your roof covering — a different kit for slate than for interlocking tile — and dress it properly into the surrounding roof so water is guided around and away. A window fitted with the wrong or poorly dressed flashing leaks within a year; one fitted correctly is watertight for the life of the roof.

The structural side matters too. A standard Velux fits between existing rafters with the opening trimmed top and bottom. Where the rafter spacing is non-standard — common on older Aylesbury properties — a structural trimmer is needed, which we identify at survey rather than discovering on the day. For conservation-area and listed properties, a conservation flashing and planning confirmation are required.

Skylight Costs

Velux and Roof Light Prices in Aylesbury

Work typeTypical cost
Velux installed (standard size)£1,200–£2,000
Larger or top-hung Velux, installed£1,500–£3,000
Conservation flashing upgrade£120–£200
Internal reveal lining (per window)£200–£350
Dormer window repair (per scope)priced at survey
Structural trimmer (non-standard rafters)£200–£400

Rafter spacing, pitch and planning position confirmed at survey. Weatherproofing tested before we leave.

Roof windows have become a popular alternative to moving for Aylesbury families extending upward into the loft. On standard properties outside the conservation areas, a rear-slope roof window is usually permitted development. Where a loft conversion is planned, fitting the windows at the same time as any re-roofing is far more economical than a standalone installation later — the scaffold is already up and the roof is already open.

Roof windows on the rear slope are often permitted development, but installations on principal elevations, in conservation areas, or on listed buildings require planning permission or listed building consent under the relevant planning legislation.

Want more light in your loft or extension? Free survey — we confirm the planning position first.

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Light & Value

What Roof Windows Add to an Aylesbury Home

A roof window does two things a wall window cannot: it brings light into the centre of a room from above, and it opens up loft space that would otherwise be dark and unused. For Aylesbury families weighing the cost of moving against extending, converting a loft with roof windows is often the far cheaper route to an extra bedroom or study — and roof windows are what make that converted space genuinely liveable rather than a gloomy box.

Beyond loft conversions, a single well-placed skylight transforms a dark landing, bathroom or extension. The light quality from above is different from a wall window — brighter, more even, and private, since there is no overlooking. It is one of the higher-impact, lower-cost improvements a homeowner can make, provided the installation is done properly with the correct flashing.

Fitting It Right the First Time

The recurring theme with roof windows is that the window is reliable and the flashing is where jobs go wrong. A rushed installation with a poorly dressed flashing will leak, stain the ceiling and undermine the whole benefit. We take the time to confirm the rafters and planning, use the correct flashing kit for your specific roof covering, dress it properly into the surrounding tiles or slate, and water-test before we leave — so the window does its job, dry, for the life of the roof.

Choosing the Window

Picking the Right Roof Window for Your Aylesbury Home

Roof windows come in centre-pivot and top-hung versions, in a range of sizes and glazing specifications, and the right choice depends on the room and the roof. Centre-pivot windows are the standard, economical choice for most lofts and landings. Top-hung windows open outward from the top, giving an unobstructed view and more headroom at the opening — better where the window is a room's main outlook. Larger and multiple windows suit a full loft conversion where light is the whole point.

Glazing matters for comfort and cost. Modern roof windows come with energy-efficient double or triple glazing that keeps the room warm in winter and manageable in summer, and options such as solar or electric opening, rain sensors and integrated blinds are worth considering at the outset since they are far easier to specify now than to retrofit. We talk through the options for your specific room and roof at survey, so the window you get is the right one rather than simply the first one — and so it is fitted with the correct flashing for your covering, which is what keeps it dry for the life of the roof.

Honest advice

Do You Actually Need Roof Windows?

A roof window is a straightforward upgrade done right. Here is what to consider before fitting one.

When it is not the answer: If your rafter spacing or a conservation-area position makes a standard install impractical, we will say so at survey rather than forcing an installation that will not sit right. Read the full guide.

Diagram of pitched roof rafters showing where a roof window is trimmed in
Pitched roof structure — how a roof window sits between the rafters
The process

From First Call to Sign-Off

1. Survey & planning check

We measure rafter spacing and pitch and confirm whether the installation is permitted development or needs consent.

2. Written quote

The window, flashing kit and any structural trimmer specified, with the price fixed.

3. Scheduling

Most single installs are booked within a week or two.

4. The work

Window fitted with the correct flashing for your covering, dressed into the roof, internal reveal lined.

5. Weatherproof test & sign-off

Flashing water-tested before we leave; 10-year installation guarantee issued.

Timescales

How Long Does It Take?

JobTypical duration
Single Velux, standard size4–6 hours
Larger or top-hung window1 day
Multiple windows (loft conversion)1–2 days

Roof windows are fitted in most weather; we keep the opening weatherproof throughout the install.

Access

Access, Scaffolding & Permits in Aylesbury

Reached from a tower on most properties; scaffold where the roof is high or the pitch steep. Scaffold is specified for: steep pitches, high roofs, or multiple-window installs - always itemised in your written quote, never a hidden extra, and we arrange it.

Aylesbury's mix runs from post-war and 1970s estate semis on Bedgrove, Southcourt and Quarrendon — open-access, straightforward scaffold — to the tight lanes of the Old Town conservation area and the village cores of Long Crendon and Bierton, where pavement space is limited and scaffold needs planning. Pavement scaffold and skip permits go through Buckinghamshire Council; allow a few working days on streets like Church Street, Parson's Fee, Temple Street where space is tight.

Pricing

Aylesbury Roof Windows: Cost Guide

JobTypical rangeNotes
Velux, standard size, fitted£1,200–£2,000
Larger or top-hung, fitted£1,500–£3,000
Conservation flashing upgrade£120–£200Old Town / villages
Internal reveal lining£200–£350Per window
Structural trimmer£200–£400Non-standard rafters

What moves the price

Worked example: A standard Velux fitted into a Fairford Leys loft with the correct tile flashing runs about £1,500.

No deposit under £500; balance on completion. Nothing before materials on site. VAT included.

Covering HP17, HP18, HP19, HP20, HP21, HP22 and surrounding postcodes.

Guarantee

The Guarantee in Plain Terms

The Velux product warranty plus our 10-year installation workmanship guarantee, both in writing.

If a fault appears in covered work, we come back and put it right. No quibbling, no re-charge.

Good to know

What It Is Like While We Work

A few hours of work with some internal dust around the opening; we sheet up and clean down. You do not need to stay home for external work - we just need power and access agreed in advance.

Installations run year-round; the opening is kept weathertight at every stage. The Vale of Aylesbury sits open to the prevailing south-westerly weather across flat farmland, and the low-lying clay around Southcourt holds damp longer in autumn, slowing drying times.

Customer Reviews

What Aylesbury Customers Say

★★★★★

"Two Velux windows in our loft conversion. They confirmed the rafter spacing and planning first, fitted them with the correct tile flashing, and water-tested before leaving. Not a drop through two winters. Flooded the room with light."

Ingrid K. · Fairford Leys, Aylesbury
★★★★★

"Single skylight over a dark stairwell. Neat job, proper flashing dressed into the tiles, and they lined the internal reveal beautifully. Transformed the landing."

Carlton B. · Watermead, Aylesbury
★★★★★

"Conservation flashing on our Old Town property — they confirmed with the council what was allowed before doing anything, then fitted it discreetly. Exactly the careful approach a period property needs."

Daphne W. · Temple Street, Aylesbury
Velux & Skylights FAQ

Frequently Asked Questions

A standard Velux installed is £1,200–£2,000; larger or top-hung windows £1,500–£3,000. A conservation flashing upgrade is £120–£200 and internal reveal lining £200–£350. Call 0129 670 6028.

On the rear slope of a standard property, usually not — it's typically permitted development. On the principal elevation, in a conservation area such as Aylesbury Old Town, or on a listed building, permission or consent is required. We confirm the position at survey.

Almost always the flashing, not the window. We use the correct Velux flashing kit for your roof covering — different for slate than for tile — and dress it properly into the surrounding roof. Poorly flashed windows leak; correctly flashed ones stay watertight for the life of the roof.

In most cases yes. A standard window fits between existing rafters with the opening trimmed. Where the rafter spacing is non-standard — common on older properties — we fit a structural trimmer, which we identify at survey.

Yes, if you can — fitting them while the roof is open and the scaffold is up during a conversion or re-roof is far more economical than a standalone installation later.

Yes — dormer cheek flashing, roof coverings and weatherproofing. We survey the dormer and price the repair to scope.

The Velux product warranty plus our 10-year installation workmanship guarantee, both in writing.

Related Services

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Roof Repairs Roof Replacement Roof Inspections Flat Roofing Guttering Storm Damage
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