Vulcan Windows Straight talk on double glazing and window quotes

Vulcan Windows

Straight talk on double glazing and window quotes

Latest Articles

Bay Windows, Battered Quotes: How to Read the Real Cost of an Awkward Opening
Buying Guides

Bay Windows, Battered Quotes: How to Read the Real Cost of an Awkward Opening

Bay, angled and slightly-too-wide windows are where headline prices go to wobble. Here’s how to spot the survey, structural and access costs that should be in the quote — before you compare the bottom line.

Five Window Choices That Shine in the Showroom — and Sag at Home
Style & Design

Five Window Choices That Shine in the Showroom — and Sag at Home

Showrooms are flattering places: bright lights, clean lines and no British weather. Here are five window choices that can look sharper on display than they do on your actual house — plus the checks that save you from a costly case of showroom eyes.

Sun-Trap Rooms and the G-Value Blind Spot: What ‘Energy-Efficient’ Glass Won’t Tell You
Energy Efficiency

Sun-Trap Rooms and the G-Value Blind Spot: What ‘Energy-Efficient’ Glass Won’t Tell You

A south-facing living room that turns into a greenhouse every July is rarely a manufacturing fault — it’s a spec mismatch. Here’s why the U-value on your quote only tells half the story, and what to ask about g-value, coatings, shading and air movement before you sign.

Heritage Windows: How to Tell Real Conservation-Grade Kit From Standard Frames in a Fancy Hat
Buying Guides

Heritage Windows: How to Tell Real Conservation-Grade Kit From Standard Frames in a Fancy Hat

‘Conservation-grade’ is a marketing phrase, not a British Standard. Here’s what a conservation officer actually inspects, the giveaways that a quote is dressed-up standard stock, and the paperwork to demand before anyone removes a sash in a sensitive building.

The Little Grille Nobody Wants: Trickle Vents, Part F and Your 2026 Window Swap
Energy Efficiency

The Little Grille Nobody Wants: Trickle Vents, Part F and Your 2026 Window Swap

Trickle vents are the least glamorous part of a new window, and plenty of homeowners would happily bin them. But when you replace windows in a UK home, ventilation rules and energy rules arrive together. Here is the straight talk on when that little grille is genuinely required — and what happens if it is missed.

The Odd Charges at the Bottom of a Window Quote — and How to Challenge Them Nicely
Buying Guides

The Odd Charges at the Bottom of a Window Quote — and How to Challenge Them Nicely

Waste removal, scaffold hire, silicone, survey fees, delivery, VAT — the bottom of a double-glazing quote can read like a ransom note. Here is a calm, line-by-line guide to what is real, what is padded, and how to ask for itemisation without turning your fitter into an enemy.

If a Window Quote Does These Five Things, Slow Down
Buying Guides

If a Window Quote Does These Five Things, Slow Down

Most double-glazing quotes are perfectly ordinary pieces of paperwork. A few, though, share the same tell-tale habits — vague ratings, missing FENSA details, big deposits and guarantees that don't say who's actually backing them. Here are five warning signs and the exact questions that expose them.

The A++ Trap: Why the Top Window Rating Isn't Automatically the Best Buy
Energy Efficiency

The A++ Trap: Why the Top Window Rating Isn't Automatically the Best Buy

Every showroom is plastered with rainbow labels promising A++ performance, but the letter on the sticker rarely tells the whole story. Here's how UK homeowners can decode U-values, solar gain and frame specs — and work out when chasing the top rating is money well spent, and when it isn't.