- Companies
- Joiners and carpenters
- Milton Keynes
- N J Dunn Carpentry & Joinery Limited
N J Dunn Carpentry & Joinery Limited
- Company number
- 10421238
- Incorporated
- 11 Oct 201610 years trading
- Registered office
- 14 Fosters Lane, Bradwell, Milton Keynes, MK13 9HD
- Nature of business
- Joinery installation
N J Dunn Carpentry & Joinery Limited is a 10-year-old private limited company registered in Milton Keynes, company number 10421238, one of 53 joinery companies in Milton Keynes. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £1,884 (-10.1%) on the year before, to £17K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £21K against £6,794 owed within a year: 3.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £17K | £19K | £21K | £6,794 | 1 |
| 31 Mar 2024 | £19K | £17K | £20K | £8,526 | 1 |
| 31 Mar 2023 | £17K | £12K | £16K | £10K | 1 |
| 31 Mar 2022 | £16K | £11K | £13K | £14K | 1 |
| 31 Mar 2021 | £7,220 | £12K | £15K | £7,649 | 1 |
| 31 Mar 2020 | £6,723 | £14K | £14K | £7,429 | 1 |
| 31 Mar 2019 | £12K | £19K | £6,823 | 1 | |
| 31 Mar 2018 | £6,553 | £14K | £7,624 | ||
| 31 Mar 2017 | -£420 | £36 | £456 | 1 |
Where N J Dunn Carpentry & Joinery Limited is registered
The registered office is in Milton Keynes (MK13), in the Milton Keynes local authority area, South East. Show MK13 9HD on a map.
Other trade companies in MK13
- Ddsa Services LtdBuilders
- Total Pristine Cleaning LtdCleaning companies
- A Noble's LtdCleaning companies
- North River Rhythm LimitedBuilders
- G&D Mechanical LtdPlumbers and heating engineers
- Purevue Group LtdCleaning companies
- Full Bore Plumbing & Heating LimitedElectricians
- Siva All-in-One Property Service LtdPainters and decorators
Also registered at this address
3 other companies use the same registered office as N J Dunn Carpentry & Joinery Limited.
- Adstock Building Services LimitedBuilders
- Mehdi Inc LtdSpecialist contractors
- P Moriarty Construction LimitedBuilders
What happens if N J Dunn Carpentry & Joinery 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 10421238
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 October 2016 (10 years ago)
- Registered office
- 14 Fosters Lane, Bradwell, Milton Keynes, MK13 9HD
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 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 Milton Keynes
Other active joinery companies registered in Milton Keynes.
- PMD Construction (MK) Limited2009
- R-Agile Ltd2023
- R-Secure Ltd2025
- RDM Carpentry Limited2011
- RJ Bates Construction Ltd2022
- RJS Carpentry. Ltd2024
- Simrat Carpentry and Renovations Ltd2025
- Spoton Glazing Ltd2026
All joinery companies in Milton Keynes · All trades in Milton Keynes · Joiners and carpenters across the UK
Frequently asked questions
When are N J Dunn Carpentry & Joinery Limited's accounts due?
N J Dunn Carpentry & Joinery Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is N J Dunn Carpentry & Joinery Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is N J Dunn Carpentry & Joinery Limited still trading?
N J Dunn Carpentry & Joinery 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 N J Dunn Carpentry & Joinery Limited do?
N J Dunn Carpentry & Joinery Limited is registered under Joinery installation (SIC 43320).
How old is N J Dunn Carpentry & Joinery Limited?
N J Dunn Carpentry & Joinery Limited was incorporated on 11 October 2016, 10 years ago.
What is the penalty if N J Dunn Carpentry & Joinery 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 N J Dunn Carpentry & Joinery 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.