- Companies
- Finishing trades
- Romford
- Cosmix Drywall Limited
Cosmix Drywall Limited
- Company number
- 12758793
- Incorporated
- 21 Jul 20206 years trading
- Registered office
- 1 Wantage House Harold Hill, Kings Lynn Drive, Romford, RM3 8BZ
- Nature of business
- Other building completion and finishing
Cosmix Drywall Limited is a 6-year-old private limited company registered in Romford, company number 12758793, one of 283 building finishing companies in Romford. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 down £28K (-41.4%) on the year before, to £40K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £62K against £25K owed within a year: 2.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £40K | £47K | £62K | £25K | 1 |
| 31 Jul 2024 | £69K | £115K | £116K | £52K | 1 |
| 31 Jul 2023 | £28K | £19K | £26K | £4,891 | 0 |
| 31 Jul 2022 | £8,707 | £16K | £18K | £9,532 | 0 |
| 31 Jul 2021 | £8,250 | £6,986 | £14K | £6,212 | 0 |
Where Cosmix Drywall Limited is registered
The registered office is in Romford (RM3), in the Havering local authority area, London. Show RM3 8BZ on a map.
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What happens if Cosmix Drywall 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12758793
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 2020 (6 years ago)
- Registered office
- 1 Wantage House Harold Hill, Kings Lynn Drive, Romford, RM3 8BZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 20 July 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Romford
Other active building finishing companies registered in Romford.
- Cranfield Construction Limited2022
- CRT Group Limited2017
- CS Construction Services Ltd2015
- Cszmyers Ltd2025
- D&F Drylining Ltd2018
- Dalls Construction Limited2016
- Dan Rendering Ltd2014
- Danbuild Limited2023
All building finishing companies in Romford · All trades in Romford · Finishing trades across the UK
Frequently asked questions
When are Cosmix Drywall Limited's accounts due?
Cosmix Drywall Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Cosmix Drywall Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Cosmix Drywall Limited still trading?
Cosmix Drywall 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 Cosmix Drywall Limited do?
Cosmix Drywall Limited is registered under Other building completion and finishing (SIC 43390).
How old is Cosmix Drywall Limited?
Cosmix Drywall Limited was incorporated on 21 July 2020, 6 years ago.
What is the penalty if Cosmix Drywall 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 Cosmix Drywall 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.