- Companies
- Specialist contractors
- London
- DJ & Sons Builders Limited
DJ & Sons Builders Limited
- Company number
- 09967100
- Incorporated
- 25 Jan 201610 years trading
- Registered office
- 13 Blagdon RD, Blagdon Road, London, SE13 7HL
- Nature of business
- Other specialised construction activities n.e.c.
DJ & Sons Builders Limited is a 10-year-old private limited company registered in London, company number 09967100, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 30 October 2026, and the CT600 for the period to 30 January 2026 is due at HMRC on 30 January 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 up £30K (+87.1%) on the year before, to -£4,436.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- 3 employees 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 |
|---|---|---|---|---|---|
| 30 Jan 2025 | -£4,436 | £82K | £86K | 3 | |
| 30 Jan 2024 | -£34K | £51K | £51K | £86K | 3 |
| 30 Jan 2023 | -£36K | £1,909 | £27K | £65K | 3 |
| 30 Jan 2022 | £8,054 | £28K | £83K | £78K | 3 |
| 30 Jan 2021 | £5,689 | £2,183 | £38K | £35K | 3 |
| 30 Jan 2020 | -£2,812 | £18K | £18K | £24K | 3 |
| 30 Jan 2019 | £1,521 | £3,587 | £3,588 | £3,051 | 3 |
| 30 Jan 2018 | £12K | £3,229 | £24K | £14K | |
| 30 Jan 2017 | £2,356 | £3,091 | £28K | £27K | 4 |
Where DJ & Sons Builders Limited is registered
The registered office is in London (SE13), in the Lewisham local authority area, London. Show SE13 7HL on a map.
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What happens if DJ & Sons Builders 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Oct 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 30 Jan 2027 | £375 |
| 3 to 6 months late | 31 Jan 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Jan 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 30 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jan 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
- 09967100
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 January 2016 (10 years ago)
- Registered office
- 13 Blagdon RD, Blagdon Road, London, SE13 7HL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 January 2025
- Last confirmation statement
- 31 January 2026
- Previous names
- DJ&Sons Builder's Ltd (until 17 Jan 2018)
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.
- DJ Carpentry & Construction Limited2013
- DJH Construction Solutions Limited2016
- DJL Property Maintenance Limited2023
- DJP Drylining Limited2024
- DK Roofing Solutions Ltd2025
- DKT Artworks Limited1981
- DKT Holdings Limited2017
- Dku Installations Ltd2026
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Frequently asked questions
When are DJ & Sons Builders Limited's accounts due?
DJ & Sons Builders Limited's next accounts are due at Companies House by 30 October 2026 (in 17 days), covering the period to 30 January 2026.
When is DJ & Sons Builders Limited's CT600 due?
The CT600 for the period to 30 January 2026 is due at HMRC by 30 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 October 2026.
Is DJ & Sons Builders Limited still trading?
DJ & Sons Builders 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 DJ & Sons Builders Limited do?
DJ & Sons Builders Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is DJ & Sons Builders Limited?
DJ & Sons Builders Limited was incorporated on 25 January 2016, 10 years ago.
What is the penalty if DJ & Sons Builders 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 DJ & Sons Builders 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.