- Companies
- Builders
- Milton Keynes
- JJ Kong General Builder Ltd
JJ Kong General Builder Ltd
- Company number
- 16169945
- Incorporated
- 8 Jan 20251 year trading
- Registered office
- 75 Tranlands Brigg, Heelands, Milton Keynes, MK13 7NX
- Nature of business
- Construction of domestic buildings; Other construction installation
JJ Kong General Builder Ltd is a 1-year-old private limited company registered in Milton Keynes, company number 16169945, one of 358 building contractors in Milton Keynes. Companies House shows its accounts as overdue: they were due on 8 October 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 JJ Kong General Builder Ltd is registered
The registered office is in Milton Keynes (MK13), in the Milton Keynes local authority area, South East. Show MK13 7NX on a map.
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What happens if JJ Kong General Builder Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Oct 2026 to 8 Nov 2026 | £150 |
| 1 to 3 months late | 9 Nov 2026 to 8 Jan 2027 | £375 |
| 3 to 6 months late | 9 Jan 2027 to 8 Apr 2027 | £750 |
| More than 6 months late | From 9 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16169945
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 January 2025 (1 year ago)
- Registered office
- 75 Tranlands Brigg, Heelands, Milton Keynes, MK13 7NX
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other construction installation (SIC 43290) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 August 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 Milton Keynes
Other active building contractors registered in Milton Keynes.
- JSD Carpentry Ltd2019
- Jsi Property Limited2019
- Kasa Conversions Limited2015
- Kayasth Ltd2026
- Kayb Construction Ltd2026
- Kinetik Spaces Limited2025
- Kingsmead Conversions Limited2011
- Knowlesbuildingservice Limited2023
All building contractors in Milton Keynes · All trades in Milton Keynes · Builders across the UK
Frequently asked questions
When are JJ Kong General Builder Ltd's accounts due?
JJ Kong General Builder Ltd's accounts were due at Companies House on 8 October 2026 and the register shows them as overdue.
When is JJ Kong General Builder 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 7 January 2026, due by 7 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JJ Kong General Builder Ltd still trading?
JJ Kong General Builder 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 JJ Kong General Builder Ltd do?
JJ Kong General Builder Ltd is registered under Construction of domestic buildings (SIC 41202); Other construction installation (SIC 43290).
How old is JJ Kong General Builder Ltd?
JJ Kong General Builder Ltd was incorporated on 8 January 2025, 1 year ago.
What is the penalty if JJ Kong General Builder 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 JJ Kong General Builder 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.