- Company number
- 11951883
- Incorporated
- 17 Apr 20197 years trading
- Registered office
- 5 West Heath Road, London, SE2 0RU
- Nature of business
- Construction of domestic buildings; Joinery installation; Other building completion and finishing; Roofing activities
Kronberg Construction Ltd is a 7-year-old private limited company registered in London, company number 11951883, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 down £7,706 (-20.3%) on the year before, to £30K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £22K against £31K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £30K | £22K | £31K | 1 | |
| 30 Apr 2024 | £38K | £1,823 | £6,570 | 1 | |
| 30 Apr 2023 | £42K | £1,895 | £6,981 | 1 | |
| 30 Apr 2022 | £39K | £9,724 | £56K | 1 | |
| 30 Apr 2021 | £20K | £31K | £0 | 0 | |
| 30 Apr 2020 | £1,135 | £11K | £11K | 1 |
Who runs and owns Kronberg Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** S*** | Director | Apr 2019 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| D*** D*** | Director | Jun 2019 | Apr 2020 |
| D*** D*** | Director | Apr 2019 | Apr 2019 |
Person with significant control
Where Kronberg Construction Ltd is registered
The registered office is in London (SE2), in the Bexley local authority area, London. Show SE2 0RU on a map.
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What happens if Kronberg 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 11951883
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 April 2019 (7 years ago)
- Registered office
- 5 West Heath Road, London, SE2 0RU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Joinery installation (SIC 43320)
Other building completion and finishing (SIC 43390)
Roofing activities (SIC 43910) - Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 16 April 2026
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 London
Other active building contractors registered in London.
- Kroni Construction Ltd2019
- Kronk Multiservis Ltd2022
- KRP Build Ltd2017
- Krut Limited2025
- Kruzette Corporation Limited2020
- Kryso Construction Ltd2013
- Krystal Interiors Ltd2015
- KS Birmingham Construction Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Kronberg Construction Ltd's accounts due?
Kronberg Construction Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Kronberg Construction Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Kronberg Construction Ltd still trading?
Kronberg 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 Kronberg Construction Ltd do?
Kronberg Construction Ltd is registered under Construction of domestic buildings (SIC 41202); Joinery installation (SIC 43320); Other building completion and finishing (SIC 43390); Roofing activities (SIC 43910).
How old is Kronberg Construction Ltd?
Kronberg Construction Ltd was incorporated on 17 April 2019, 7 years ago.
Who runs Kronberg Construction Ltd?
Kronberg Construction Ltd has 1 active director, the longest-serving appointed in Apr 2019. Their names and service addresses are on the Companies House register.
Who owns Kronberg Construction Ltd?
One person or company has significant control of Kronberg Construction Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if Kronberg 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 Kronberg 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.