- Companies
- Builders
- Colchester
- SJN Limited
Company profile · Builders
SJN Limited
SJN Limited is a 30-year-old private limited company registered in Colchester, company number 03207178, one of 312 building contractors in Colchester. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for SJN LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
SJN Limited over the years
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 £21K (-6%) on the year before, to £325K.
- Net assets rose in 0 of 6 year-on-year comparisons on record.
- Current assets of £171K against £11K owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £325K | £171K | £11K | 0 | |
| 31 Mar 2025 | £346K | £184K | £3,456 | 0 | |
| 31 Mar 2024 | £346K | £16K | £7,144 | 0 | |
| 31 Mar 2023 | £347K | £17K | £7,549 | ||
| 31 Mar 2022 | £383K | £58K | £12K | 2 | |
| 31 Mar 2021 | £407K | £74K | £5,078 | 2 | |
| 31 Mar 2020 | £477K | £158K | £19K | 2 |
Where SJN Limited is registered
The registered office is in Colchester (CO5), in the Colchester local authority area, East of England. Show CO5 7QR on a map.
Other trade companies in CO5
- Essex Kar Bodywork LimitedMechanics and garages
- Desmo Lifts LimitedInstallers
- Web Roofing and Property Maintenance LtdRoofers
- Breaking Ground LtdBuilders
- Buildwise Property LimitedFacilities management
- Azeem & Antony LimitedSpecialist contractors
- Blackwater Contracts LtdBuilders
- RMC Electrical Installations LimitedElectricians
What happens if SJN 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 03207178
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 June 1996 (30 years ago)
- Registered office
- Glebe House Lower Road, Peldon, Colchester, Essex, CO5 7QR
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 29 May 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 Colchester
Other active building contractors registered in Colchester.
- SJR Group Ltd2022
- Smith Build Construction Limited2022
- Solar Wise Roofing and Building Services Ltd2020
- Solomon Building Ltd2016
- SS Builders (Essex) Ltd2017
- Stannard and Son Building Solutions Limited2019
- Star B Capital Limited2026
- Steve and Sons Property Ltd2025
All building contractors in Colchester · All trades in Colchester · Builders across the UK
Frequently asked questions
When are SJN Limited's accounts due?
SJN Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is SJN Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is SJN Limited still trading?
SJN 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 SJN Limited do?
SJN Limited is registered under Construction of commercial buildings (SIC 41201).
How old is SJN Limited?
SJN Limited was incorporated on 4 June 1996, 30 years ago.
What is the penalty if SJN 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 SJN 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.