Advancedni Ltd
Advancedni Ltd is a company on the UK register of companies (Companies House no. NI726506), classified under the glazing trade (SIC 43342, Glazing), with a registered office in BT19, Bangor.
| Company number | NI726506 |
|---|---|
| Incorporated | 2025 |
| Company type | Ltd |
| SIC | 43342 - Glazing |
| Registered office | 21 ENTERPRISE ROAD, BALLOO SOUTH BUSINESS PARK, BT19 7TA |
Source: Companies House free company data. Search company number NI726506 on the Companies House register for the current position.
Before you contact a Bangor installer
A full double glazing job in Bangor typically lands between £2,600 and £7,700 (local cost factor 0.85×), depending on opening count and spec. Around 5 conservation areas including Bangor Cathedral Precinct and Upper Bangor.
- Check the company is current and not in liquidation on the Companies House register.
- Confirm FENSA or CERTASS registration on the relevant scheme's own "find an installer" search - membership is per-company and can lapse.
- Get the quote in writing, itemised per window or door, and check the guarantee is insurance-backed.
- Ask for two recent installs you can look at - around Upper Bangor, Menai Bridge, Beaumaris or your own street.
Our guide to comparing double glazing quotes and FENSA vs CERTASS explainer go into detail.
Windows and doors in Bangor
Victorian slate-quarry terraces along Upper Bangor, Georgian townhouses around the cathedral, plus interwar and postwar university-adjacent semis.
Dominant era of housing stock: Victorian slate era.
Heritage note: Around 5 conservation areas including Bangor Cathedral Precinct and Upper Bangor.