- Companies
- Finishing trades
- Dartford
- M & J Design & Build Limited
M & J Design & Build Limited
- Company number
- 06844366
- Incorporated
- 11 Mar 200917 years trading
- Registered office
- 117 Dartford Road, Dartford, Kent, DA1 3EN
- Nature of business
- Other building completion and finishing
M & J Design & Build Limited is a 17-year-old private limited company registered in Dartford, company number 06844366, one of 95 building finishing companies in Dartford. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 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 £81K (-22.6%) on the year before, to £277K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £2.2M against £504K owed within a year: 4.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 29 Mar 2025 | £277K | £2.2M | £504K | 0 | |
| 29 Mar 2024 | £357K | £1.4M | £488K | 0 | |
| 29 Mar 2023 | £403K | £431K | £17K | 0 | |
| 29 Mar 2022 | £408K | £551K | £60K | 0 | |
| 29 Mar 2021 | £202K | £294K | £79K | 0 | |
| 29 Mar 2020 | £154K | £210K | £72K | 0 | |
| 29 Mar 2019 | £154K | £201K | £68K | ||
| 29 Mar 2018 | £184K | £401K | £231K | ||
| 29 Mar 2017 | £180K | £417K | £261K | ||
| 29 Mar 2016 | £153K | £452K | £331K |
Where M & J Design & Build Limited is registered
The registered office is in Dartford (DA1), in the Dartford local authority area, South East. Show DA1 3EN on a map.
Other trade companies in DA1
- Unit 6 Bespoke LtdSpecialist contractors
- Smartlifting LtdBuilders
- Degrees Bespoke Finishes LtdPlasterers
- A & A Electrical and Refrigeration LtdBuilders
- Elm Servicing LtdMachinery repair and installation
- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
Shared registered office
124 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if M & J Design & Build 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 29 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2026 to 29 Jan 2027 | £150 |
| 1 to 3 months late | 30 Jan 2027 to 29 Mar 2027 | £375 |
| 3 to 6 months late | 30 Mar 2027 to 29 Jun 2027 | £750 |
| More than 6 months late | From 30 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2027 | £200 |
| 3 months late | 29 Jun 2027 | another £200 |
| 6 months late | 29 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 06844366
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2009 (17 years ago)
- Registered office
- 117 Dartford Road, Dartford, Kent, DA1 3EN
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 29 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 March 2025
- Last confirmation statement
- 10 November 2025
- Charges (mortgages)
- 5 outstanding of 6 registered
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 Dartford
Other active building finishing companies registered in Dartford.
- Majestic Ceilings Ltd2022
- Mar Building Services Ltd2024
- McKees Design and Build Limited2026
- McKenna Building Contractors Limited1995
- Mikford Builders Limited2020
- MK Renovations Ltd2022
- Mozi Builders Limited2010
- MPRM Limited2014
All building finishing companies in Dartford · All trades in Dartford · Finishing trades across the UK
Frequently asked questions
When are M & J Design & Build Limited's accounts due?
M & J Design & Build Limited's next accounts are due at Companies House by 29 December 2026 (in 77 days), covering the period to 29 March 2026.
When is M & J Design & Build Limited's CT600 due?
The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.
Is M & J Design & Build Limited still trading?
M & J Design & Build 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 M & J Design & Build Limited do?
M & J Design & Build Limited is registered under Other building completion and finishing (SIC 43390).
How old is M & J Design & Build Limited?
M & J Design & Build Limited was incorporated on 11 March 2009, 17 years ago.
What is the penalty if M & J Design & Build 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 M & J Design & Build 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.