- Company number
- 11146465
- Incorporated
- 12 Jan 20188 years trading
- Registered office
- Hazelwood, Billet Hill, Ash, Sevenoaks, TN15 7HG
- Nature of business
- Construction of domestic buildings
SJB Building Services Limited is a 8-year-old private limited company registered in Sevenoaks, company number 11146465, one of 97 building contractors in Sevenoaks. 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 £365 (+14.4%) on the year before, to £2,894.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £20K against £19K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jan 2025 | £2,894 | £20K | £19K | 1 | |
| 30 Jan 2024 | £2,529 | £48K | £34K | 1 | |
| 31 Jan 2023 | £3,038 | £32K | £15K | 1 | |
| 31 Jan 2022 | £3,039 | £18K | £8,415 | 1 | |
| 31 Jan 2021 | £722 | £6,242 | £21K | 1 | |
| 31 Jan 2020 | £284 | £5,059 | £28K | 1 | |
| 31 Jan 2019 | £100 |
Where SJB Building Services Limited is registered
The registered office is in Sevenoaks (TN15), in the Sevenoaks local authority area, South East. Show TN15 7HG on a map.
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What happens if SJB Building Services 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
- 11146465
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2018 (8 years ago)
- Registered office
- Hazelwood, Billet Hill, Ash, Sevenoaks, TN15 7HG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 January 2025
- Last confirmation statement
- 11 January 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Sevenoaks
Other active building contractors registered in Sevenoaks.
- Skyfield Construction Ltd2022
- Stellar Building and Maintenance Ltd2019
- Step Three Construction Limited2013
- STNS Construction Limited2015
- The Green Man (Hodsoll Street) Limited2026
- The Tile Guys Ltd2026
- TJK Holdings Kent Ltd2013
- Towcrest Limited1994
All building contractors in Sevenoaks · All trades in Sevenoaks · Builders across the UK
Frequently asked questions
When are SJB Building Services Limited's accounts due?
SJB Building Services Limited's next accounts are due at Companies House by 30 October 2026 (in 18 days), covering the period to 30 January 2026.
When is SJB Building Services 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 SJB Building Services Limited still trading?
SJB Building Services 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 SJB Building Services Limited do?
SJB Building Services Limited is registered under Construction of domestic buildings (SIC 41202).
How old is SJB Building Services Limited?
SJB Building Services Limited was incorporated on 12 January 2018, 8 years ago.
What is the penalty if SJB Building Services 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 SJB Building Services 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.