- Companies
- Specialist contractors
- Swanley
- JSC Construction Services Ltd
JSC Construction Services Ltd
- Company number
- 15285344
- Incorporated
- 15 Nov 20232 years trading
- Registered office
- Unit C London Road, White Oak Technology Park, Swanley, Kent, BR8 7AG
- Nature of business
- Other specialised construction activities n.e.c.
JSC Construction Services Ltd is a 2-year-old private limited company registered in Swanley, company number 15285344, one of 69 specialist construction companies in Swanley. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £38K on the year before, to £38K.
- Current assets of £45K against £23K owed within a year: 2.0 times cover.
- 2 employees on average, down from 3 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £38K | £45K | £23K | 2 | |
| 30 Nov 2024 | £160 | £10K | £15K | 3 |
Where JSC Construction Services Ltd is registered
The registered office is in Swanley (BR8), in the Sevenoaks local authority area, South East. Show BR8 7AG on a map.
Other trade companies in BR8
- S.P.M (South East) LtdPlumbers and heating engineers
- Omnidrive Motors LtdMotor traders
- Epx Resins LtdFloor and wall tilers
- SLC Contractors Ltd LtdBuilders
- Build and Beyond CX Consulting LimitedFinishing trades
- Roostanproperty LtdProperty developers
- HL Contract Cleaning Services LtdMechanics and garages
- Fasteasycar LtdMotor traders
What happens if JSC Construction Services Ltd 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15285344
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 November 2023 (2 years ago)
- Registered office
- Unit C London Road, White Oak Technology Park, Swanley, Kent, BR8 7AG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 14 November 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 Swanley
Other active specialist construction companies registered in Swanley.
- Jwo Lift Services Limited2015
- K J Carpentry & Son Limited2016
- Karpick Ltd2021
- Kentish Building Projects Management Limited2017
- Kentish Property Services Limited2017
- KMD Gas Installations Ltd2011
- L V Property Maintenance & Son Limited2026
- Legacy Construction Group Limited2021
All specialist construction companies in Swanley · All trades in Swanley · Specialist contractors across the UK
Frequently asked questions
When are JSC Construction Services Ltd's accounts due?
JSC Construction Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is JSC Construction Services Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is JSC Construction Services Ltd still trading?
JSC Construction Services Ltd 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 JSC Construction Services Ltd do?
JSC Construction Services Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is JSC Construction Services Ltd?
JSC Construction Services Ltd was incorporated on 15 November 2023, 2 years ago.
What is the penalty if JSC Construction Services 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 JSC Construction Services Ltd 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.