- Companies
- Specialist contractors
- South Ockendon
- SJM and Sons Interiors Ltd
SJM and Sons Interiors Ltd
- Company number
- 15924992
- Incorporated
- 29 Aug 20242 years trading
- Registered office
- 355 Daiglen Drive, South Ockendon, Essex, RM15 5AD
- Nature of business
- Other specialised construction activities n.e.c.
SJM and Sons Interiors Ltd is a 2-year-old private limited company registered in South Ockendon, company number 15924992, one of 55 specialist construction companies in South Ockendon. Companies House shows its accounts as overdue: they were due on 29 May 2026.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where SJM and Sons Interiors Ltd is registered
The registered office is in South Ockendon (RM15), in the Thurrock local authority area, East of England. Show RM15 5AD on a map.
Other trade companies in RM15
- Aee Development LtdBuilders
- PCS Construction Services LimitedInstallers
- Aashfa LimitedCleaning companies
- Carmel Ridge LimitedMachinery repair and installation
- Nova Workforce LimitedSpecialist contractors
- Rosevine Property Cleaning & Commercial Services LtdCleaning companies
- Ec Cladding LtdBuilders
- K'S Heritage International LtdSpecialist contractors
What happens if SJM and Sons Interiors Ltd files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 May 2026 to 29 Jun 2026 | £150 |
| 1 to 3 months late | 30 Jun 2026 to 29 Aug 2026 | £375 |
| 3 to 6 months late | 30 Aug 2026 to 29 Nov 2026 | £750 |
| More than 6 months late | From 30 Nov 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2027 | 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
- 15924992
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 August 2024 (2 years ago)
- Registered office
- 355 Daiglen Drive, South Ockendon, Essex, RM15 5AD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 28 August 2025
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 South Ockendon
Other active specialist construction companies registered in South Ockendon.
- Ssa Electrical Services Ltd2022
- STK Building Contractors Ltd2017
- Summer Sky Property Ltd2026
- The Plant and Labour Co Ltd2023
- Theozeakus Limited2015
- TNS Construction Ltd2020
- Tundhen Ltd2020
- Vladiux Limited2016
All specialist construction companies in South Ockendon · All trades in South Ockendon · Specialist contractors across the UK
Frequently asked questions
When are SJM and Sons Interiors Ltd's accounts due?
SJM and Sons Interiors Ltd's accounts were due at Companies House on 29 May 2026 and the register shows them as overdue.
When is SJM and Sons Interiors Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 August 2025, due by 28 August 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is SJM and Sons Interiors Ltd still trading?
SJM and Sons Interiors Ltd is listed as active on the Companies House register (checked 13 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 SJM and Sons Interiors Ltd do?
SJM and Sons Interiors Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is SJM and Sons Interiors Ltd?
SJM and Sons Interiors Ltd was incorporated on 29 August 2024, 2 years ago.
What is the penalty if SJM and Sons Interiors Ltd 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 SJM and Sons Interiors Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.