SO50 · Hampshire

uPVC bay windows in Eastleigh, Hampshire

Send one short enquiry and line up up to four no-obligation quotes from installers who work in Eastleigh and neighbouring parts of the county.

✓ Free surveys✓ Fully insured✓ Response within 24h
How it works
  1. 1Describe your project
  2. 2Decide when you are ready
  3. 3Receive no-obligation quotes

uPVC bay windows in Eastleigh

Hampshire's mild coastal air with damp winters is easy to live with but slowly punishing for tired frames. Condensation that runs down the glass each winter morning, seals that let wind through on a south-westerly and sashes that have swollen or dropped are what usually starts homeowners looking at uPVC bay windows in Eastleigh.

An installer who regularly works around Eastleigh will usually know which streets fall inside a conservation area or under an Article 4 direction, which avoids delays once frames go into manufacture.

Warning Signs You Need uPVC bay windows

  • Mist or droplets trapped between the two panes
  • A cold draught around the frame on windy days
  • Handles that spin, stick or no longer lock
  • White uPVC that has yellowed or gone chalky
  • Rotten sills or soft bottom rails on timber windows
  • Rooms that stay cold near the windows however high the heating
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How to Get a uPVC bay windows Quote in Eastleigh

1

Describe your project

Complete our quick form with the number of windows, the style you want and where in Eastleigh the property is.

2

Decide when you are ready

Compare frames, glass, guarantees and fitting dates, then pick the installer that suits you. You do not have to go ahead with any of them.

3

Receive no-obligation quotes

Up to four independent installers covering Eastleigh can contact you to arrange a survey and send a written quotation for uPVC bay windows.

uPVC bay windows Costs in Eastleigh

ServiceTypical CostTimeframe
uPVC Bay Windows£1,800–£6,0001–2 days

Frequently Asked Questions

How much does uPVC bay windows cost in Eastleigh?

Most jobs in Eastleigh fall within £1,800–£6,000, with the final price set by the number of openings, the frame style and the glass specification. A measured survey and written quote is the only way to get a firm figure.

How long does uPVC bay windows take?

The fitting itself usually takes 1–2 days. Because windows are made to order, expect a manufacturing lead time of a few weeks between survey and fitting.

Do replacement windows need a FENSA or Certass certificate?

Replacing a window in England is controlled work under the Building Regulations. Installers registered with FENSA, Certass or a similar scheme can self-certify eligible replacements; otherwise the job has to go through building control.

Do I need planning permission for new windows in Eastleigh?

Similar-looking replacement windows on a house are usually permitted development. Flats, listed homes and properties under an Article 4 direction can need consent, so speak to the council first if any of those apply.

uPVC bay windows in Nearby Hampshire Towns

Just outside Eastleigh? Hampshire window fitters also cover:

Recent uPVC Bay Windows Enquiries in Eastleigh

Real enquiries submitted by homeowners in Eastleigh and surrounding areas. Contact details are not shown.

★★★★★4.7 averagefrom 10 local enquiries
W
W***fHigh Street, SO50
★★★★★August 2026

I need to change 4 wooden windows into double glaze pvc windows.

M
M***eEarls Close, SO50
★★★★★May 2025

Customer is looking to replace their windows. They are still considering options so please call to discuss what would be best for their home. Homeowner lives in Eastleigh area 2+…

E
E***aSO50
★★★★☆April 2025

customer is looking to get quotes for replacement double glazing. multiple windows supply and install please call to quote. are you the property owner: owner of the property what…

M
M***eOuse Close, SO53
★★★★★March 2025

mrs requested quotes for upvc double glazing from a window installer around eastleigh. they are considering a couple of projects at the moment.<br/>call anytime to arrange…

M
M***eOuse Close, SO53
★★★★☆March 2025

call back anytime. number of windows: 3 quote requested on windows, in pvcu, to be supplied and fitted. are you the property owner: owner of the property what level of service do…

S
S***nPeverells Wood Avenue, SO53
★★★★★February 2025

Call anytime. Number of windows: 9 Quote requested on windows, in PVCu, to be supplied and fitted.

A
A***ePorteous Crescent, SO53
★★★★★February 2025

My lounge door glass broken and need replacing

K
K***nMerrieleas Close, SO53
★★★★☆October 2024

Are you the home owner of that property? yes How many doors are you considering replacing? 1 What material do you require, UPVC? upvc What colour do you want them to be? white I…

J
J***yTemplecombe Road, SO50
★★★★★October 2023

Would like our patio doors taken out and replaced with sliding patio doors

S
S***zMerrieleas Drive, SO53
★★★★★September 2023

hi, we require a single unit glass replacement. can you give us a quote? thanks. are you the property owner: owner of the property property type: semi detached are you looking for …

uPVC Bay Windows in Eastleigh

Replacing a bay involves its angles, joints and support as well as the glass. For a bay in Eastleigh, the survey needs to establish what rests above the frames.

Describe your bay in one short enquiry and Hampshire Windows can pass it to independent installers covering Eastleigh, Hampshire. Up to four installers may come back to you with a price, subject to their workload, and you pay nothing to ask or to decline.

Why Bays Need a Proper Survey

On many older houses the original timber bay frame carries part of the weight of a small tiled or lead roof, or even the wall of a bay above. A uPVC frame is not designed to take that load alone. The installer needs to understand the structure before choosing the frames, then specify bay poles or structural couplers at the corners to transfer it safely down to the base.

Tell the installer whether the bay is single or two-storey. Pictures of the outside help the installer plan the job.

When to Consider a New Bay

  • A sagging bay roof or cracks in the brickwork at the corners of the bay
  • Soft or rotten timber where the facets meet the bottom rail
  • Water getting in at the joints between the facets
  • A cold, damp bay seat or window board in winter
  • An old uPVC bay that has bowed, so the sashes rub or will not lock

Bay roof repairs are often easiest to do while the frames are being replaced, which may involve a roofer as well as the window installer.

Questions Before Ordering

Ask how the original bay angles will be recorded and reproduced. A projecting bow fitted in a formerly flat opening may need different support and permission from an existing canted bay.

uPVC Bay Windows in Eastleigh — Hampshire Windows quote checklist Free uPVC Window Quotes from Hampshire Installers. Compare free, no-obligation quotes from Hampshire installers for uPVC casement, bay, tilt and turn and sliding sash windows, French windows and replacement double glazing, from Southampton and Portsmouth to Basingstoke and the New Forest. Illustrated guide to comparing uPVC Bay Windows in Eastleigh: opening layout and frames, glass and ventilation, fitting and finishing. Up to four quotations from independent installers, subject to availability. HAMPSHIRE WINDOWS Free uPVC Window Quotes from Hampshire Installers uPVC Bay Windows In Eastleigh Know what is included before you choose an installer. LOOK BEYOND THE GLASS Frame · sealed unit · opening sash · cill 1 Frame and opening layout Confirm sizes, style, colour and which panes open. For bays, ask how the structure above is supported. 2 Glazing and ventilation Compare whole-window performance and glass type. Check ventilation, safety glass and escape needs. 3 Fitting and the final price Check access, disposal, making good and VAT. Agree guarantees and any approval paperwork. One enquiry. Up to four quotations. Independent installers · subject to availability · no obligation

How a Bay Window Is Replaced

  1. Measuring and checking: each facet and angle is measured, and the installer checks the base and the load above.
  2. Agreeing the details: frames, couplers and bay poles are specified, and you confirm layout, colour and glass.
  3. Propping: where needed, temporary support is installed before the old bay is removed.
  4. Fitting the frames: new frames go in facet by facet, joined with couplers, and the poles are set to take the load.
  5. Final work: the cill, bay board and trims are fitted, sashes adjusted, and props and old frames removed.

Where loads are present, temporary support must be planned before frames are disturbed. The survey may lead to an engineer’s assessment. Bay poles and couplers must transfer loads to an adequate base, and roof flashing defects need their own repair allowance.

Tell firms whether delivery and any access tower would occupy space outside your Eastleigh boundary. Agree whether the bay board will be replaced or retained.

Bay Window Costs in Eastleigh

The guide range for this service is £1,800–£6,000. A standard three-facet ground-floor bay in white usually sits near the bottom of that range, while larger assemblies cost more; multiple bays, lintels and roof repairs can exceed it. Only a survey can turn this into a real figure for your house.

Ask whether the quote includes scaffolding, bay poles, a new cill and bay board, bay roof repairs, VAT and making good inside. These items are sometimes priced separately and can make a big difference to the total.

Consent for Bay Windows

Replacing an existing bay with one of similar size and shape is normally treated as a like-for-like replacement. Building a new bay where there was a flat window, or changing its shape, alters the front of the house and is more likely to need planning permission. Speak to Eastleigh Borough Council if you are changing the design, if the house is listed, or if it is in a conservation area.

The new bay must meet the Building Regulations like any other window, and a competent person scheme installer can usually self-certify it. Structural work beyond a straightforward replacement, such as a new lintel or rebuilt base, may need building control approval. The Planning Portal's Building Regulations guidance has more detail.

Bay Window Installers Around Eastleigh

Independent firms may also cover: Chandler's Ford, Bishopstoke, Fair Oak, Southampton, West End, Hedge End, Colden Common. Coverage depends on each firm's working area.

Request Bay Window Quotes in Eastleigh

Tell us whether the bay is single or two-storey and your postcode. Hampshire Windows introduces enquiries and does not carry out installations. Businesses joining the network are asked for insurance details and references; check current evidence and ask to see similar bay jobs before you choose.

The guide is not a cap on the cost of your project. Quantity, specification, access and additional work can take the total outside the range. Send the details for measured quotations.

For eligible replacement work, confirm the installer’s scheme registration and certification arrangements. An appropriate building control approval route is another option; see the government guidance on competent person schemes. If the address lies within a national park, confirm which planning authority handles the property before ordering.

Common Questions About Bay Windows

Here are practical questions to ask when comparing installers for Eastleigh.

How much does a uPVC bay window cost in Eastleigh?

The guide range is £1,800–£6,000. A standard single-storey bay in white is usually at the lower end, while two-storey bays and jobs needing structural or roof work cost more. These are indicative project budgets, not fixed prices or a maximum charge.

Will my new bay window need bay poles?

If the bay supports a roof or wall above, the installer will usually fit bay poles or structural couplers to carry the load. The survey should confirm what is needed for your house.

Can I change the shape of my bay window?

Often yes, but changing the shape alters the appearance of the house and may need planning permission. The base and roof above may also need altering.

How many quotes can I get for a bay window in Eastleigh?

As many as four installers who cover Eastleigh may offer to survey and price your bay. Fewer may reply if local firms are busy, and you are free to decline them all.

Does every replacement bay need structural work?

No. The survey must establish whether the bay supports a roof or wall and whether its base is adequate. Necessary support, engineering advice or roof repairs should be specified and priced for the actual building.