How Much Do Rehau Windows Cost in the UK? (2026 Price Guide)

Rehau sits at the quality end of the uPVC window market, and one of the questions we hear most often is what that quality actually costs. The honest answer is that Rehau windows are priced close to standard uPVC when you buy them from the right installer, because the profile itself is only one part of the bill. This guide sets out typical 2026 supply-and-fit prices for the Rehau systems we make and install, explains what moves a quote up or down, and shows where the real value sits when you compare Rehau against budget alternatives.

As background: Vitrum Solutions is a manufacturer and fabricator of Rehau windows as well as the installer. We machine and assemble the German-engineered Rehau profile into finished windows at our own Uxbridge workshop, then survey and fit with our own team. Buying from the fabricator removes a middleman margin, which is one reason our Rehau pricing surprises people who expected a premium brand to carry a premium markup.

Typical Rehau Window Prices in 2026

Prices below are typical supply-and-fit ranges for white frames with A-rated double glazing. Every home differs, so treat these as realistic planning figures rather than a quotation.

• Standard casement window (around 1200x1200mm): £500 to £750 fitted
• Small casement (around 600x900mm): £350 to £500 fitted
• Large casement (around 1800x1200mm): £650 to £900 fitted
• Rehau Rio flush casement: add roughly 10 to 20 percent over a standard casement of the same size, reflecting the flush-fit fabrication
• Full house of 8 windows: £4,000 to £6,500 for standard casements; a flush or foiled-colour specification moves the total towards the upper end and beyond

Coloured and woodgrain foils, dual-colour frames, Georgian bars and triple glazing each add to the figure. As a rule of thumb, a foiled colour adds around 10 to 15 percent per window, and our guide to uPVC window colours explains how those finishes are made and why they last.

The Rehau Systems We Fit and What Each Costs More or Less

Rehau TOTAL70 is the mainstream casement system: a 70mm, A+ rated profile that covers the great majority of UK replacement work. It is the baseline for the prices above, and for most homes it is the right specification. You can read a full assessment in our Rehau windows review.

Rehau Rio is the flush casement variant, where the opening sash closes level with the frame instead of standing proud of it. The flush line mimics traditional timber joinery, which is why Rio is our recommendation for period properties and conservation settings. The extra fabrication steps put Rio a step above TOTAL70 on price, and our Rio flush casement guide covers when the difference is worth paying.

Rehau Slinova is the sliding patio door system rather than a window, priced by panel count and span. It belongs in a doors budget rather than a windows one, but it shares the same profile quality and is often specified alongside a full-house window replacement so everything matches.

What Moves a Rehau Quote Up or Down

Five factors do most of the work in any window quotation:

1. Size and count. Fabrication and fitting time scale with both. A full house priced together is cheaper per window than the same windows bought in stages. 2. Finish. White is the baseline. Foiled colours, woodgrains and dual-colour frames are made to order and add cost and lead time. 3. Glazing. A-rated double glazing is standard. Acoustic laminated glass and triple glazing add per-unit cost. Our comparison of triple versus double glazing helps you decide whether the upgrade pays. 4. Flush versus standard casement. The Rio premium noted above. 5. Access and structural work. Upper floors with restricted access, bay replacements needing structural support, and lintel work all add labour fairly.

One thing that does NOT move our price: the certification behind the installation. Every Vitrum Solutions installation is FENSA registered and covered by a 10-year CPA insurance-backed guarantee as standard, whatever the window costs.

Rehau vs Budget uPVC: Where the Money Goes

A budget uPVC window can undercut the figures above, and for a rental refurbishment that may be a rational choice. The difference shows over time. Rehau's profile quality, reinforcement and hardware tolerance keep sashes square and seals tight years after cheaper frames have started to drop and whistle. The German-engineered profile also takes foiled finishes particularly well, which matters if you want anthracite or a woodgrain that still looks right in a decade.

We compared the two quality tiers directly in Rehau vs VEKA, and the same logic applies against unbranded profile: the price gap is modest at purchase and shrinks to nothing once you cost in longevity. It is also worth reading what a window's U-value actually measures, because energy performance is where a quality profile quietly earns its keep every winter.

Getting an Accurate Price

Window pricing from a website table is planning guidance, never a final figure. Openings vary, brickwork varies, and the right specification depends on the property. A proper survey fixes all of that in one visit, and because we fabricate the windows ourselves in Uxbridge, the surveyed price you receive is the fabricator's price. If you would like a firm figure for your home, request a free survey and quote and we will measure, advise and price it properly — covering Uxbridge, Buckinghamshire, Berkshire and the surrounding counties. You can also browse the full range on our uPVC windows hub and the Rehau brand page.

Frequently Asked Questions

Are Rehau windows more expensive than other uPVC windows?

Rehau sits at the quality end of uPVC, but the fitted price is usually closer to standard uPVC than people expect, particularly when you buy from the fabricator rather than through a middleman. Expect a typical standard casement at £500 to £750 fitted, with budget profile undercutting that by a margin that narrows to nothing once longevity and energy performance are costed in.

How much does a full house of Rehau windows cost?

A typical 8 window house in standard white TOTAL70 casements lands between £4,000 and £6,500 supply and fit. A flush Rio specification, foiled colours or triple glazing move the total upwards. Whole-house pricing is cheaper per window than replacing in stages, because survey, fabrication and scaffold or access costs are shared across the job.

Is the Rehau Rio flush casement worth the extra cost?

For period properties, conservation areas and anyone who wants the look of traditional timber joinery without the repainting, yes. Rio closes flush with the frame the way a classic timber casement does, and the premium over a standard casement is roughly 10 to 20 percent per window. On a modern property where the stepped profile of a standard casement suits the architecture, TOTAL70 remains the sensible buy.

Who makes Rehau windows in the UK?

Rehau supplies the profile, and approved fabricators machine and assemble it into finished windows. Vitrum Solutions is a manufacturer and fabricator of Rehau windows at our Uxbridge workshop as well as the installer, so the windows we fit are the windows we made. Every installation is FENSA registered and carries a 10-year CPA insurance-backed guarantee.

Do Rehau windows come in colours other than white?

Yes. Rehau profile takes foiled finishes well, including Anthracite Grey, black, Chartwell Green, cream and woodgrains such as Irish Oak and Rosewood, plus dual-colour combinations with a different shade inside and out. Foiled frames are made to order, typically adding around 10 to 15 percent per window and a little lead time.