Out Build Group Limited
Window & double glazing company registered in Sidcup, Kent
Registered address
12 HATHERLEY ROAD, Sidcup DA14 4BG
✓ Active on Companies House
Companies House number13501258
IncorporatedJuly 2021
5 years on the register
5 years on the register
Company typePrivate Limited Company
Trade (SIC 43320)Joinery installation (windows, doors & frames)
Accounts on fileFull accounts, small-company exemption · last filed July 2025 · next due April 2027
Listed from the public Companies House register, not an endorsement. Quote requests go to FENSA or Certass registered installers covering your postcode, not necessarily this company. Accounts filing category reflects company size under Companies House rules, not service quality. Map location is approximate, based on the registered postcode.
Before you book Out Build Group Limited
This page confirms the company is on the Companies House register. It does not confirm FENSA or Certass registration, insurance, or trading status. Check those yourself first.
How to vet a window installer before you hire →Need a window installer in Sidcup?
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Is Out Build Group Limited FENSA or Certass registered?
This directory does not confirm registration. Window and door installers self-certify their work against Building Regulations through a Competent Person Scheme — mainly FENSA or Certass — so check the company name or postcode (DA14 4BG) directly on the FENSA or Certass website before booking, and ask to see the certificate number.
How much does window replacement cost in Sidcup?
A single uPVC window in Sidcup typically runs £300 to £600 supplied and fitted; a full house of 8 to 10 windows is often £3,000 to £8,000 depending on style (casement, bay, sash-look) and glazing spec. Get two or three written, itemised quotes before agreeing to work.
How do I get a quote from a window installer in Sidcup?
Use the "Get Free Quotes" form on this page. Your job details go to FENSA or Certass registered installers covering the DA postcode area, who contact you directly. Sidcup has 38 registered window and glazing businesses in this directory, though the installers who quote are not necessarily among them. It is free and there is no obligation.
What is a FENSA or Certass certificate and why does it matter?
It's proof the window or door installation meets Building Regulations (thermal performance, safety glazing, ventilation) without a separate council building control sign-off. Without one, selling the property can mean paying for retrospective building control inspection or indemnity insurance, so keep the certificate with your house documents.
Does a listing here mean Out Build Group Limited is recommended?
No. Companies appear in this directory because they are on the Companies House register under a window/joinery installation trade code. A listing is not vetting, endorsement, or a guarantee that the company is trading or FENSA/Certass registered.