- Companies
- Joiners and carpenters
- Mexborough
- M K J Joinery Ltd
M K J Joinery Ltd
- Company number
- 13785988
- Incorporated
- 7 Dec 20214 years trading
- Registered office
- 22 Wheatley Road Kilnhurst, Mexborough, S64 5SL
- Nature of business
- Joinery installation
M K J Joinery Ltd is a 4-year-old private limited company registered in Mexborough, company number 13785988, one of 10 joinery companies in Mexborough. Its next accounts are due at Companies House on 5 January 2028, and the CT600 for the period to 5 April 2027 is due at HMRC on 5 April 2028.
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 £11K (+30%) on the year before, to £49K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £40K against £14K owed within a year: 2.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 5 Apr 2026 | £49K | £40K | £14K | 1 | |
| 5 Apr 2025 | £37K | £21K | £11K | 1 | |
| 5 Apr 2024 | £13K | £21K | £7,545 | 1 | |
| 5 Apr 2023 | £12K | £21K | £9,969 | 1 |
Where M K J Joinery Ltd is registered
The registered office is in Mexborough (S64), in the Rotherham local authority area, Yorkshire and The Humber. Show S64 5SL on a map.
Other trade companies in S64
- SB’S Home Improvements LtdRepair services
- S J Croome Construction LtdInstallers
- Sourc LtdElectricians
- Arc Building & Interiors LtdInstallers
- 3P Project Solutions LimitedSpecialist contractors
- A&H Tyres LtdMotor traders
- Northdale Construction LtdBuilders
- A.J.W Plumbing & Heating Northern LtdPlumbers and heating engineers
What happens if M K J Joinery 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 5 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2028 to 5 Feb 2028 | £150 |
| 1 to 3 months late | 6 Feb 2028 to 5 Apr 2028 | £375 |
| 3 to 6 months late | 6 Apr 2028 to 5 Jul 2028 | £750 |
| More than 6 months late | From 6 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2028 | £200 |
| 3 months late | 5 Jul 2028 | another £200 |
| 6 months late | 5 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 2029 | 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
- 13785988
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 December 2021 (4 years ago)
- Registered office
- 22 Wheatley Road Kilnhurst, Mexborough, S64 5SL
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 2026
- Last confirmation statement
- 4 December 2025
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Mexborough
Other active joinery companies registered in Mexborough.
- Mainstall Ltd2025
- N.P Matthewman Joinery & Developments Limited2025
- R.A.O. Joinery Limited2023
- RPH Installations Limited2014
- Spielers Joinery Limited2015
- A Lynch Designs Ltd2025
- Brown & Yates Joinery by Design Limited2015
- CCL Joinery (Swinton) Ltd2022
All joinery companies in Mexborough · All trades in Mexborough · Joiners and carpenters across the UK
Frequently asked questions
When are M K J Joinery Ltd's accounts due?
M K J Joinery Ltd's next accounts are due at Companies House by 5 January 2028 (in 449 days), covering the period to 5 April 2027.
When is M K J Joinery Ltd's CT600 due?
The CT600 for the period to 5 April 2027 is due at HMRC by 5 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2028.
Is M K J Joinery Ltd still trading?
M K J Joinery 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 M K J Joinery Ltd do?
M K J Joinery Ltd is registered under Joinery installation (SIC 43320).
How old is M K J Joinery Ltd?
M K J Joinery Ltd was incorporated on 7 December 2021, 4 years ago.
What is the penalty if M K J Joinery 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 M K J Joinery 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.