- Company number
- 14619604
- Incorporated
- 26 Jan 20233 years trading
- Registered office
- 13 Church Place, London, London, CR4 3HY
- Nature of business
- Glazing
HZ Double Glazing Limited is a 3-year-old private limited company registered in London, company number 14619604, one of 307 glazing companies in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £1,792 (+41.5%) on the year before, to £6,113.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £6,113 | 1 | |||
| 31 Jan 2025 | £4,321 | 2 | |||
| 31 Jan 2024 | £3,291 | 0 |
Where HZ Double Glazing Limited is registered
The registered office is in London (CR4), in the Merton local authority area, London. Show CR4 3HY on a map.
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What happens if HZ Double Glazing Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 14619604
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 January 2023 (3 years ago)
- Registered office
- 13 Church Place, London, London, CR4 3HY
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 13 January 2026
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in London
Other active glazing companies registered in London.
- I Glaze Solutions Ltd2018
- Icon Windows Ltd2020
- Ig-Ol Glazing System Ltd2021
- Insulating Home Solutions Ltd2025
- Ionel G Facades Ltd2021
- J D K Double Glazing Ltd2026
- JD Glazing Services Ltd2023
- JL Windows Ltd2022
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Frequently asked questions
When are HZ Double Glazing Limited's accounts due?
HZ Double Glazing Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is HZ Double Glazing Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is HZ Double Glazing Limited still trading?
HZ Double Glazing Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does HZ Double Glazing Limited do?
HZ Double Glazing Limited is registered under Glazing (SIC 43342).
How old is HZ Double Glazing Limited?
HZ Double Glazing Limited was incorporated on 26 January 2023, 3 years ago.
What is the penalty if HZ Double Glazing Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View HZ Double Glazing Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.