- Company number
- 04902308
- Incorporated
- 17 Sep 200323 years trading
- Registered office
- 201 Avery Hill Road, London, SE9 2EX
- Nature of business
- Glazing
Diamond Glass and Glazing Southern Ltd is a 23-year-old private limited company registered in London, company number 04902308, one of 307 glazing companies in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.
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 £2,215 (+170%) on the year before, to £3,518.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £14K against £19K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £3,518 | £14K | £19K | 1 | |
| 30 Sep 2024 | £1,303 | £7,547 | £17K | 1 | |
| 30 Sep 2023 | £1,258 | £175 | £12K | 1 | |
| 30 Sep 2022 | £869 | £1,183 | £16K | 1 | |
| 30 Sep 2021 | £259 | £4,927 | £24K | 1 | |
| 30 Sep 2020 | £751 | £8,534 | £12K | 1 | |
| 30 Sep 2019 | £277 | £3,610 | £8,139 | 1 | |
| 30 Sep 2018 | £35 | £29K | £35K | ||
| 30 Sep 2017 | £126 | £12K | £19K | ||
| 30 Sep 2016 | £499 | £20K | £29K |
Who runs and owns Diamond Glass and Glazing Southern Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| K*** R*** | Director | Sep 2003 |
| K*** R*** | Secretary | Sep 2003 |
4 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| M W Douglas & Company Limited | Corporate Nominee Secretary | Sep 2003 | Sep 2003 |
| D*** R*** | Director | Dec 2003 | Sep 2013 |
| M*** R*** | Director | Dec 2003 | Mar 2013 |
| Douglas Nominees Limited | Nominee director (company) | Sep 2003 | Sep 2003 |
Person with significant control
Where Diamond Glass and Glazing Southern Ltd is registered
The registered office is in London (SE9), in the Greenwich local authority area, London. Show SE9 2EX on a map.
Other trade companies in SE9
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- South East London Locksmith LimitedSpecialist contractors
- S&O Maintenance LimitedInstallers
- Colvin Construction LimitedBuilders
What happens if Diamond Glass and Glazing Southern 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 04902308
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 September 2003 (23 years ago)
- Registered office
- 201 Avery Hill Road, London, SE9 2EX
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 17 September 2025
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.
- Dibou Cleaning Limited2023
- Digital Windows (UK) Limited2003
- DNC Glazing Ltd2024
- Double Glazed Solutions Ltd2021
- Double Glazed Windows and Doors Ltd2026
- Double Glazing Expert Ltd2026
- Double Glazing London Ltd2020
- DR Glaze (MK) Ltd2024
All glazing companies in London · All trades in London · Glaziers across the UK
Frequently asked questions
When are Diamond Glass and Glazing Southern Ltd's accounts due?
Diamond Glass and Glazing Southern Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Diamond Glass and Glazing Southern Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Diamond Glass and Glazing Southern Ltd still trading?
Diamond Glass and Glazing Southern 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 Diamond Glass and Glazing Southern Ltd do?
Diamond Glass and Glazing Southern Ltd is registered under Glazing (SIC 43342).
How old is Diamond Glass and Glazing Southern Ltd?
Diamond Glass and Glazing Southern Ltd was incorporated on 17 September 2003, 23 years ago.
Who runs Diamond Glass and Glazing Southern Ltd?
Diamond Glass and Glazing Southern Ltd has 1 active director, the longest-serving appointed in Sep 2003. Their names and service addresses are on the Companies House register.
Who owns Diamond Glass and Glazing Southern Ltd?
One person or company has significant control of Diamond Glass and Glazing Southern Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Diamond Glass and Glazing Southern 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 Diamond Glass and Glazing Southern 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.