- Companies
- Specialist contractors
- London
- CS Joinery Studio Ltd
CS Joinery Studio Ltd
- Company number
- 12625589
- Incorporated
- 27 May 20206 years trading
- Registered office
- 140 Mottisfont Road, London, SE2 9LW
- Nature of business
- Other specialised construction activities n.e.c.
CS Joinery Studio Ltd is a 6-year-old private limited company registered in London, company number 12625589, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £11K (-31.7%) on the year before, to £23K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £18K against £12K owed within a year: 1.5 times cover.
- 4 employees 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 May 2025 | £23K | £18K | £12K | 4 | |
| 31 May 2024 | £33K | £24K | £5,435 | 4 | |
| 31 May 2023 | £33K | £40K | £6,844 | 2 | |
| 31 May 2022 | £16K | £25K | £7,698 | 1 | |
| 31 May 2021 | £3,914 | £2,976 | £5,829 | 1 |
Where CS Joinery Studio Ltd is registered
The registered office is in London (SE2), in the Greenwich local authority area, London. Show SE2 9LW on a map.
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What happens if CS Joinery Studio 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 12625589
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 May 2020 (6 years ago)
- Registered office
- 140 Mottisfont Road, London, SE2 9LW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 10 June 2026
- Previous names
- CS Invest Ltd (until 17 Nov 2023)
Carpenter-24 Ltd (until 29 Sep 2023)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- CS Management & Construction Ltd2026
- Csi Compass Limited2025
- Csi Groundworks Limited2016
- CSJ Building Construction Ltd2019
- CSL Drylining Ltd2022
- CSLM Con Ltd2021
- CT11953739 Limited2019
- Ctadri Ltd2024
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are CS Joinery Studio Ltd's accounts due?
CS Joinery Studio Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is CS Joinery Studio Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is CS Joinery Studio Ltd still trading?
CS Joinery Studio 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 CS Joinery Studio Ltd do?
CS Joinery Studio Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is CS Joinery Studio Ltd?
CS Joinery Studio Ltd was incorporated on 27 May 2020, 6 years ago.
What is the penalty if CS Joinery Studio 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 CS Joinery Studio 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.