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Company profile · Builders
KTJ Construction Ltd
KTJ Construction Ltd is a newly incorporated private limited company registered in Southampton, company number 16816664, one of 491 building contractors in Southampton. Its next accounts are due at Companies House on 28 July 2027, and its first CT600 is due at HMRC on 27 October 2027.
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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Who runs and owns KTJ Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| K*** J*** | Director | Oct 2025 |
Person with significant control
Where KTJ Construction Ltd is registered
The registered office is in Southampton (SO17), in the Southampton local authority area, South East. Show SO17 3SX on a map.
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What happens if KTJ 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 28 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jul 2027 to 28 Aug 2027 | £150 |
| 1 to 3 months late | 29 Aug 2027 to 28 Oct 2027 | £375 |
| 3 to 6 months late | 29 Oct 2027 to 28 Jan 2028 | £750 |
| More than 6 months late | From 29 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16816664
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2025
- Registered office
- 104 Mayfield Road, Southampton, SO17 3SX
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
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 Southampton
Other active building contractors registered in Southampton.
- KTNR Limited2026
- Kumrat Construction Limited2026
- L.P.D Brickwork Limited2017
- Law Building Facilities Ltd2026
- Lawnswood Heswall Limited2022
- LDH Building (Walthams) Limited2014
- LDS Brickwork Ltd2014
- Leap Build Ltd2025
All building contractors in Southampton · All trades in Southampton · Builders across the UK
Frequently asked questions
When are KTJ Construction Ltd's accounts due?
KTJ Construction Ltd's next accounts are due at Companies House by 28 July 2027 (in 289 days), covering the period to 31 October 2026.
When is KTJ Construction 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 27 October 2026, due by 27 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is KTJ Construction Ltd still trading?
KTJ 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 KTJ Construction Ltd do?
KTJ Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is KTJ Construction Ltd?
KTJ Construction Ltd was incorporated on 28 October 2025, less than a year ago.
Who runs KTJ Construction Ltd?
KTJ Construction Ltd has 1 active director, the longest-serving appointed in Oct 2025. Their names and service addresses are on the Companies House register.
Who owns KTJ Construction Ltd?
One person or company has significant control of KTJ Construction Ltd: an individual (owns 75% or more of the shares).
What is the penalty if KTJ 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 KTJ 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.