- Companies
- Builders
- Winchester
- JMLK Construction Ltd
JMLK Construction Ltd
- Company number
- 15613793
- Incorporated
- 3 Apr 20242 years trading
- Registered office
- 41 Southgate Street, Winchester, SO23 9EH
- Nature of business
- Construction of domestic buildings
JMLK Construction Ltd is a 2-year-old private limited company registered in Winchester, company number 15613793, one of 71 building contractors in Winchester. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 £1,532 (-70.5%) on the year before, to £641.
- Current assets of £3,078 against £1,277 owed within a year: 2.4 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £641 | £3,078 | £1,277 | 2 | |
| 30 Apr 2025 | £2,173 | £15K | £12K | 2 |
Where JMLK Construction Ltd is registered
The registered office is in Winchester (SO23), in the Winchester local authority area, South East. Show SO23 9EH on a map.
Other trade companies in SO23
- Aeronix LimitedPlumbers and heating engineers
- Z Cubic Home LtdJoiners and carpenters
- Fordstone Groundworks & Civil Engineering LtdCivil engineering
- Osr Homes LtdBuilders
- Welborne LS LimitedProperty developers
- Charlecote Sussex LimitedSpecialist contractors
- Shorewood Pankridge Street LtdBuilders
- The Home & Garden Collective LtdBuilders
Also registered at this address
9 other companies use the same registered office as JMLK Construction Ltd.
- A-Plus Electrical Systems LimitedElectricians
- Aeronix LimitedPlumbers and heating engineers
- Apollo Passive Fire LtdFinishing trades
- Apollo Plastering LimitedPlasterers
- Ardema D&B LimitedProperty developers
- J.F Practical Services LtdFinishing trades
- Jenkins Utilities LimitedCivil engineering
- Lum Electric Technology UK LtdMotor traders
- Pga Property Services LimitedFacilities management
What happens if JMLK 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 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 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
- 15613793
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 April 2024 (2 years ago)
- Registered office
- 41 Southgate Street, Winchester, SO23 9EH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 2 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 Winchester
Other active building contractors registered in Winchester.
- Kelly and Lake Construction Limited2024
- Kings of Hampshire Ltd2020
- Kingswell Buildings Ltd2018
- Kitemore Developments Limited2023
- Kurn and Street Limited2021
- Liberty Livestock Systems Limited1999
- Marchstone Construction Ltd2021
- Mayfly Homes Ltd2007
All building contractors in Winchester · All trades in Winchester · Builders across the UK
Frequently asked questions
When are JMLK Construction Ltd's accounts due?
JMLK Construction Ltd's next accounts are due at Companies House by 31 January 2028 (in 476 days), covering the period to 30 April 2027.
When is JMLK Construction Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is JMLK Construction Ltd still trading?
JMLK 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 JMLK Construction Ltd do?
JMLK Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is JMLK Construction Ltd?
JMLK Construction Ltd was incorporated on 3 April 2024, 2 years ago.
What is the penalty if JMLK 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 JMLK 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.