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Bay and bow windows · Essex

Triple glazed bay and bow windows in Harwich

Homes in Harwich can have triple glazed bay and bow windows supplied and fitted, with surveys arranged across Essex including CO12.

CO12Postcode district
1.4U-value limit, England (W/m²K)
7h 45mDaylight, 21 Dec
15°Midday sun, 21 Dec
1930s semi-detached house with white two-storey bay windows

Coupled triple glazed frames with bay poles where the load needs them. A bay window projects out from the wall in angled sections; a bow window curves in more, shallower sections.

Winter light and glass choice in Harwich

Winter days in Harwich are short: about 7 h 45 min of daylight on 21 December, with the sun peaking near 15°. That low angle reaches deep into south-facing rooms, so we match the glass to each elevation rather than using one spec for the whole house.

Guide prices in Harwich

GuideSupply and fit, inc VAT
3-light bay
three windows, about 2.7 m across
£2,995 – £3,795
5-light bay or bow
five windows, about 3.5 m across
£3,795 – £4,695
Two-storey bay
ground and first-floor bays
£5,995 – £7,495

Guide prices. Your written quote after the free survey fixes the price for the specification shown.

Rules for bay and bow windows in England

The rules for replacement windows in England are set by Approved Document L (2021 edition, with 2023 amendments): 1.4 W/m²K, or a Window Energy Rating of band B or better. Replacement windows are a controlled fitting. A competent person scheme installer (such as FENSA or Certass) self-certifies the work and notifies the council within 30 days; otherwise a building control body approves it.

Planning: Replacing windows on a house is normally permitted development if the new ones look similar. New upper-floor windows in a side wall must be obscure glazed and fixed, or open only above 1.7 m. Flats and maisonettes have no householder permitted development rights, so a change that alters their appearance needs planning permission. An Article 4 direction in a conservation area may mean permission is needed, and listed buildings need listed building consent.

How it works

You will know exactly what you are buying: the quote states the unit build-up, frame, finish, fitting work and how Building Regulations compliance is handled. On fitting day each opening is replaced and closed up before the team moves on.

  • Guide prices published, not hidden
  • No pressure: the quote is yours to keep
  • Frames, glass and fitting in one contract
  • Advice on planning and consents before you order

Questions from Harwich

Will the bay be warmer?

Yes. Replacing old double or single glazing in a bay with triple glazing cuts heat loss through the glass and makes the glass surface warmer, so the room feels less draughty.

Do bay windows need bay poles?

If the old frames carry load from above, yes. We check on survey and include support in the quote where needed.

How long does it take to get triple glazed bay and bow windows fitted in Harwich?

After the survey, typical manufacture time is 5 to 8 weeks, and most homes are fitted in 1 to 4 days.

Do you fit triple glazed bay and bow windows in Harwich?

Yes. We arrange surveys and fitting in Harwich and across Essex. Send your postcode and the windows or doors you want replaced, and we will book a free survey.

Nearby

We also cover nearby Felixstowe (5 km), Ipswich (16 km), Clacton-on-Sea (19 km) and Colchester (27 km).

Other products in Harwich

Bay and bow windows in Harwich: book your free survey

Written quote fixed for the specification, after a free survey. Building Regulations sign-off by a competent person scheme installer or building control, as the law requires in England.

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