- Company number
- 15362998
- Incorporated
- 19 Dec 20232 years trading
- Registered office
- 35 Regina Road, Southall, UB2 5PL
- Nature of business
- Construction of domestic buildings
JK Sons & Construction Ltd is a 2-year-old private limited company registered in Southall, company number 15362998, one of 505 building contractors in Southall.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where JK Sons & Construction Ltd is registered
The registered office is in Southall (UB2), in the Ealing local authority area, London. Show UB2 5PL on a map.
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Also registered at this address
2 other companies use the same registered office as JK Sons & Construction Ltd.
- Everstone Build and Design LtdFinishing trades
- Heathrow Build and Designs LtdFinishing trades
What happens if JK Sons & Construction 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15362998
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2023 (2 years ago)
- Registered office
- 35 Regina Road, Southall, UB2 5PL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 18 December 2025
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 Southall
Other active building contractors registered in Southall.
- Jogasingh Ltd2026
- Josan Builds Ltd2026
- Jot Builds Ltd2025
- JR Jassal Builders Limited2015
- JS Saini Ltd2026
- JSD Contractors Ltd2026
- JSD Home Improvement Ltd2020
- Jsingh Construction Ltd2026
All building contractors in Southall · All trades in Southall · Builders across the UK
Frequently asked questions
When are JK Sons & Construction Ltd's accounts due?
The register showed JK Sons & Construction Ltd's accounts as due on 30 September 2026. That date has passed; the Companies House register shows whether they have been filed since.
When is JK Sons & Construction Ltd's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is JK Sons & Construction Ltd still trading?
JK Sons & Construction 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 JK Sons & Construction Ltd do?
JK Sons & Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is JK Sons & Construction Ltd?
JK Sons & Construction Ltd was incorporated on 19 December 2023, 2 years ago.
What is the penalty if JK Sons & Construction 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 JK Sons & Construction 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.