- Companies
- Specialist contractors
- Dartford
- JS Const Ltd
JS Const Ltd
- Company number
- 17175920
- Incorporated
- 23 Apr 2026
- Registered office
- 39 Park Road, Dartford, DA1 1ST
- Nature of business
- Other specialised construction activities n.e.c.
JS Const Ltd is a newly incorporated private limited company registered in Dartford, company number 17175920, one of 151 specialist construction companies in Dartford. Its next accounts are due at Companies House on 23 January 2028, and its first CT600 is due at HMRC on 22 April 2028.
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.
Is this your company?
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Where JS Const Ltd is registered
The registered office is in Dartford (DA1), in the Dartford local authority area, South East. Show DA1 1ST on a map.
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- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
What happens if JS Const 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 23 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Jan 2028 to 23 Feb 2028 | £150 |
| 1 to 3 months late | 24 Feb 2028 to 23 Apr 2028 | £375 |
| 3 to 6 months late | 24 Apr 2028 to 23 Jul 2028 | £750 |
| More than 6 months late | From 24 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17175920
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2026
- Registered office
- 39 Park Road, Dartford, DA1 1ST
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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 Dartford
Other active specialist construction companies registered in Dartford.
- KCH Facilities Ltd2024
- King Concrete Pumping Ltd2023
- Kymax Building Facilities Ltd2011
- Lamm (UK) Limited2004
- Lev Construction Group Ltd2025
- Lolopa Ltd2022
- London Fix Mast Climbers Ltd2026
- London Stone and Restoration Limited2023
All specialist construction companies in Dartford · All trades in Dartford · Specialist contractors across the UK
Frequently asked questions
When are JS Const Ltd's accounts due?
JS Const Ltd's next accounts are due at Companies House by 23 January 2028 (in 468 days), covering the period to 30 April 2027.
When is JS Const 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 22 April 2027, due by 22 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is JS Const Ltd still trading?
JS Const 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 JS Const Ltd do?
JS Const Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is JS Const Ltd?
JS Const Ltd was incorporated on 23 April 2026, less than a year ago.
What is the penalty if JS Const 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 JS Const 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.