- Companies
- Specialist contractors
- Heathfield
- KLC South East Ltd
KLC South East Ltd
- Company number
- 15557844
- Incorporated
- 12 Mar 20242 years trading
- Registered office
- 48 Millennium Way, Heathfield, Kent, TN21 0FQ
- Nature of business
- Other specialised construction activities n.e.c.; Engineering related scientific and technical consulting activities
KLC South East Ltd is a 2-year-old private limited company registered in Heathfield, company number 15557844, one of 14 specialist construction companies in Heathfield. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where KLC South East Ltd is registered
The registered office is in Heathfield (TN21), in the Wealden local authority area, South East. Show TN21 0FQ on a map.
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- Sparkify Electrical LimitedElectricians
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What happens if KLC South East 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15557844
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 March 2024 (2 years ago)
- Registered office
- 48 Millennium Way, Heathfield, Kent, TN21 0FQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Heathfield
Other active specialist construction companies registered in Heathfield.
- MGM Property Services Limited2009
- Reed Plant Hire Ltd2004
- Southern Pools GD Limited2025
- Sussex Property Solutions Ltd2018
- TC Groundworks Sussex Ltd2020
- Vince Groundworks & Construction Ltd2021
- 4P Maintenance and Construction (Sussex) Limited2005
- Ash Holdings Limited1992
All specialist construction companies in Heathfield · All trades in Heathfield · Specialist contractors across the UK
Frequently asked questions
When are KLC South East Ltd's accounts due?
KLC South East Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is KLC South East Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is KLC South East Ltd still trading?
KLC South East 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 KLC South East Ltd do?
KLC South East Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Engineering related scientific and technical consulting activities (SIC 71122).
How old is KLC South East Ltd?
KLC South East Ltd was incorporated on 12 March 2024, 2 years ago.
What is the penalty if KLC South East 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 KLC South East 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.