- Company number
- 10258690
- Incorporated
- 30 Jun 201610 years trading
- Registered office
- 323 Ground Floor, Caledonian Road, London, N1 1DR
- Nature of business
- Glazing
HMK Glass Ltd is a 10-year-old private limited company registered in London, company number 10258690, one of 307 glazing companies in London. Companies House shows its accounts as overdue: they were due on 31 March 2020.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where HMK Glass Ltd is registered
The registered office is in London (N1), in the Islington local authority area, London. Show N1 1DR on a map.
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What happens if HMK Glass Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2020 to 30 Apr 2020 | £150 |
| 1 to 3 months late | 1 May 2020 to 30 Jun 2020 | £375 |
| 3 to 6 months late | 1 Jul 2020 to 30 Sep 2020 | £750 |
| More than 6 months late | From 1 Oct 2020 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2020 | £200 |
| 3 months late | 30 Sep 2020 | another £200 |
| 6 months late | 30 Dec 2020 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2021 | 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
- 10258690
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 2016 (10 years ago)
- Registered office
- 323 Ground Floor, Caledonian Road, London, N1 1DR
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2018
- Last confirmation statement
- 5 July 2018
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.
- Homepro Property Services Ltd2025
- Hond & Langer Limited2016
- Honey Glazing Ltd2020
- House of Glass Limited2022
- HZ Building Solutions Ltd2024
- HZ Double Glazing Limited2023
- I Glaze Solutions Ltd2018
- Icon Windows Ltd2020
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are HMK Glass Ltd's accounts due?
HMK Glass Ltd's accounts were due at Companies House on 31 March 2020 and the register shows them as overdue.
When is HMK Glass Ltd's CT600 due?
The CT600 for the period to 30 June 2019 is due at HMRC by 30 June 2020, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2020.
Is HMK Glass Ltd still trading?
HMK Glass Ltd is listed as active on the Companies House register (checked 13 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 HMK Glass Ltd do?
HMK Glass Ltd is registered under Glazing (SIC 43342).
How old is HMK Glass Ltd?
HMK Glass Ltd was incorporated on 30 June 2016, 10 years ago.
What is the penalty if HMK Glass Ltd 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 HMK Glass Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.