- Company number
- 16115644
- Incorporated
- 3 Dec 20241 year trading
- Registered office
- 483 Green Lanes, London, N13 4BS
- Nature of business
- Glazing
GMK Installers Ltd is a 1-year-old private limited company registered in London, company number 16115644, one of 307 glazing companies in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House.
Who runs and owns GMK Installers Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** M*** | Director | Dec 2024 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** G*** | Director | Dec 2024 | Sep 2025 |
Person with significant control
Where GMK Installers Ltd is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 4BS on a map.
Other trade companies in N13
- GKK Contractors LtdBuilders
- Baran MOT LimitedMechanics and garages
- Vick & Victor - Painting & Decorating LtdPainters and decorators
- Meti Flow Solutions LtdBuilders
- XP Plastering & Rendering LtdBuilders
- MD Crafted LtdSpecialist contractors
- Skilled Trades UK LtdPainters and decorators
- Danni Plumbing LtdPlumbers and heating engineers
Shared registered office
68 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if GMK Installers Ltd 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | 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
- 16115644
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 December 2024 (1 year ago)
- Registered office
- 483 Green Lanes, London, N13 4BS
- Nature of business
- Glazing (SIC 43342)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 17 September 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.
- Grand Steel Ltd2017
- Green Glaze Ltd2021
- Greyglass Ltd2020
- Guildford Glass Ltd2026
- H M Double Glazing Ltd2020
- H&M Double Glazing & Repairs Ltd2021
- Ha Double Glazing Repairs Ltd2024
- Halo Glass Ltd2026
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are GMK Installers Ltd's accounts due?
GMK Installers Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is GMK Installers Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is GMK Installers Ltd still trading?
GMK Installers Ltd 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 GMK Installers Ltd do?
GMK Installers Ltd is registered under Glazing (SIC 43342).
How old is GMK Installers Ltd?
GMK Installers Ltd was incorporated on 3 December 2024, 1 year ago.
Who runs GMK Installers Ltd?
GMK Installers Ltd has 1 active director, the longest-serving appointed in Dec 2024. Their names and service addresses are on the Companies House register.
Who owns GMK Installers Ltd?
One person or company has significant control of GMK Installers Ltd: an individual (owns 75% or more of the shares).
What is the penalty if GMK Installers 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 GMK Installers Ltd 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.