Written by Mark Reid,
Trades Editor ·Verified 23 September 2026
Hastings has a real mix of housing, from the timber-framed cottages around the Old Town to the Victorian terraces on the East Hill and the 1930s semis out towards Silverhill and St Leonards. That variety matters when you're choosing a window installer. A sash window repair on a listed building near All Saints Street needs a completely different approach to fitting uPVC double glazing on a bungalow in Ore. Salt air off the seafront also takes its toll on frames faster than you'd think, so a lot of local installers deal with corrosion and weathered timber as a matter of routine rather than something unusual.
The businesses featured here are pulled from public business listings and ranked mainly by review rating and review count, with a small lift given to those showing a working website and phone number. We read each business's homepage to check that window installation is genuinely what they do day to day, which stops general builders or handymen who only occasionally fit a window from cluttering up the page. Any listing flagged as permanently closed gets removed automatically. Where you spot a Trust Verified badge, that business has gone through our full verification, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information. Our How We Verify page sets out exactly what that involves. For businesses without the badge, those checks haven't been done by us, so it's worth doing your own homework before you commit.
Before hiring, ask to see evidence of FENSA or CERTASS registration, since this confirms the installer can self-certify their work as compliant with building regulations rather than you having to arrange separate sign-off. Get written quotes from at least two or three installers, and make sure each one covers the same specification, glass type, frame material, number of openings, so you're comparing like for like. Ask what guarantee applies to both the frames and the fitting, not just one or the other, and check whether they carry public liability insurance. A short phone call to ask these questions upfront saves a lot of hassle later on.
How We Select & Rate The Best Window Installers in Hastings
Businesses on this page are ranked using public business listings, based mainly on review rating and review count, with a small lift for those showing a working website and phone number. We read each homepage to confirm window installation is the primary trade on offer, and listings flagged as permanently closed are removed automatically. Businesses marked Trust Verified have gone further, passing our full verification covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information (see our How We Verify page for details). Other businesses listed have not been independently verified by us, and their inclusion isn't an endorsement. Always carry out your own checks before hiring.
Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →
Window installation across Hastings and the surrounding area is the sole focus of Hastings Windows, a company that holds a 4.8-star Google rating from 144 reviews. The business supplies and fits a range of window styles for residential properties, with its postcode base in TN38 covering the western side of the town. Locals searching for a straightforward, locally rooted installer will find a well-reviewed option here.
Sash window installation and repair services covering Hastings and the surrounding area, Harrisons Sash Window Hastings focuses exclusively on traditional sash and box window styles. The business holds a five-star Google rating from eleven reviews, suggesting consistent workmanship on period and older properties where like-for-like replacement matters.
S&T Windows Ltd is a window installation company serving Hastings and the surrounding area. Operating from TN38, the company holds a 4.9 Google rating across its reviews, suggesting consistent workmanship and reliable service. It handles the supply and fitting of windows for residential properties in the local area.
Rated 5.0 across its Google reviews, Timber Windows And Doors Hastings Ltd specialises in the supply and installation of timber windows and doors for properties in Hastings and the surrounding area. The business focuses exclusively on timber joinery, making it a straightforward choice for homeowners seeking traditional or period-appropriate glazing solutions in TN38 9NN and nearby.
Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →
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How much does a window installer cost in Hastings?
A single uPVC casement window supplied and fitted typically runs from around £350 to £600, while a full house of eight to ten windows can land anywhere between £3,500 and £7,000 depending on frame material and glazing spec. Timber sash windows cost considerably more, often £800 to £1,500 per window, especially if you're matching period detailing near a conservation area like the Old Town. Aluminium sits somewhere in between. Prices vary with glass type (double or triple glazed), colour finish, and how easy access is, so getting two or three quotes for the same job spec is the best way to see if you're being quoted fairly.
Do I need planning permission to replace windows in Hastings?
Most straightforward window replacements fall under permitted development and don't need planning permission, provided you're using materials of similar appearance. However, Hastings has several conservation areas, including the Old Town and parts of St Leonards, where rules are tighter and you may need listed building consent if the property is listed. It's worth checking with Hastings Borough Council's planning department before ordering anything, particularly if you're changing from timber sash to uPVC, as this is often where objections come up.
How long does it take to fit new windows?
A single window can usually be fitted in half a day, but a full house replacement (eight to twelve windows) typically takes two to three days depending on access and whether any brickwork or lintels need attention. Bay windows and sash windows generally take longer per unit than standard casements. Bad weather can push timings back a little, especially with exposed properties on the seafront or up on the hills where wind off the Channel is a factor.
What's the difference between FENSA and CERTASS registration?
Both schemes allow installers to self-certify that replacement windows and doors meet building regulations, saving you from having to get separate building control sign-off. FENSA is the older and more widely recognised scheme, while CERTASS covers similar ground with slightly different membership criteria. Either is acceptable, what matters is that the installer is registered with one of them and gives you a certificate after the job, which you'll need if you ever sell the property.
Should I choose uPVC, timber or aluminium windows?
uPVC is the most common choice for general housing stock because it's low maintenance and reasonably priced, working well for the 1930s semis and post-war estates around Hollington and Ore. Timber suits period and listed properties in the Old Town, where planning rules often expect it, but needs repainting every few years to cope with the sea air. Aluminium gives slimmer frames and a modern look, popular for larger glazed extensions, and holds up well against coastal weathering, though it costs more upfront than uPVC.
How do I choose between window installers in Hastings?
Start by checking whether the installer holds FENSA or CERTASS registration, since this proves they can legally certify the work themselves. Ask to see examples of previous jobs, ideally something similar to your property type, and read through recent customer reviews on independent listings rather than just testimonials on their own website. Confirm they carry public liability insurance and ask what guarantee covers both the product and the installation, then get that in writing. Finally, get quotes from at least two or three installers for the same specification so you can compare fairly, and be wary of anyone pushing you to sign on the spot.
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