Alspec Windows And Doors Limited

Alspec Windows And Doors Limited is a company on the UK register of companies (Companies House no. 13336746), classified under the glazing trade (SIC 43342, Glazing), with a registered office in AL1, St Albans.

What this page is. A factual summary of this company's public Companies House record. It is not a review, a rating or a recommendation, and Double Glazing Expert is not affiliated with this company. A registered office address does not confirm the area the company works in, nor that it holds FENSA or another competent-person scheme. Always verify current details on the register before making contact.
Company number13336746
Incorporated2021
Company typeLtd
Size (by accounts)Small
Last accounts filed2025
SIC43342 - Glazing
Registered officeWREN HOUSE, 68 LONDON ROAD, AL1 1NG

Source: Companies House free company data. Search company number 13336746 on the Companies House register for the current position.

Before you contact a St Albans installer

A full double glazing job in St Albans typically lands between £3,500 and £10,400 (local cost factor 1.16×), depending on opening count and spec. Around 20 conservation areas including the Cathedral Quarter and Verulamium.

  • 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 Marshalswick, Fleetville, London Colney or your own street.

Our guide to comparing double glazing quotes and FENSA vs CERTASS explainer go into detail.

Windows and doors in St Albans

Medieval and Georgian houses around the cathedral and Fishpool Street, Victorian and Edwardian villas in Marshalswick and Marlborough Road, plus interwar semis in Bricket Wood.

Dominant era of housing stock: Georgian and Victorian core.

Heritage note: Around 20 conservation areas including the Cathedral Quarter and Verulamium.

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Double glazing services in St Albans

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