- Company number
- 16431470
- Incorporated
- 6 May 20251 year trading
- Registered office
- Chy-An-Menheere, Predannack, Helston, TR12 7AU
- Nature of business
- Construction of domestic buildings
Keynvor Construction Limited is a 1-year-old private limited company registered in Helston, company number 16431470, one of 36 building contractors in Helston. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Who runs and owns Keynvor Construction Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| E*** S*** | Director | May 2025 |
| K*** S*** | Director | May 2025 |
People with significant control (2)
Where Keynvor Construction Limited is registered
The registered office is in Helston (TR12), in the Cornwall local authority area, South West. Show TR12 7AU on a map.
Other trade companies in TR12
- Asrcooling LtdCivil engineering
- Squirrel Developers LtdProperty developers
- Falmouth Cleaning Management LtdFacilities management
- Duchy Concrete Pumping LtdBuilders
- Property Solutions Cornwall LtdProperty developers
- Tidyhive LtdCleaning companies
- LB Commercial Cleaning LtdCleaning companies
- Souls Cycles LtdMachinery repair and installation
What happens if Keynvor Construction Limited 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16431470
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2025 (1 year ago)
- Registered office
- Chy-An-Menheere, Predannack, Helston, TR12 7AU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 5 May 2026
- Previous names
- KDL Brickwork and Carpentry Ltd (until 9 Dec 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 Helston
Other active building contractors registered in Helston.
- KSS Contracts Ltd2026
- KSS SW Ltd2019
- Longstone Farm Services Ltd2024
- Lowarn Developments Ltd2025
- M & N Construction Helston Ltd2021
- M & W Property Developments Ltd2018
- Mash Construction Ltd2024
- MW Property Solutions Ltd2013
All building contractors in Helston · All trades in Helston · Builders across the UK
Frequently asked questions
When are Keynvor Construction Limited's accounts due?
Keynvor Construction Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Keynvor Construction Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Keynvor Construction Limited still trading?
Keynvor Construction Limited 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 Keynvor Construction Limited do?
Keynvor Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Keynvor Construction Limited?
Keynvor Construction Limited was incorporated on 6 May 2025, 1 year ago.
Who runs Keynvor Construction Limited?
Keynvor Construction Limited has 2 active directors, the longest-serving appointed in May 2025. Their names and service addresses are on the Companies House register.
Who owns Keynvor Construction Limited?
2 people or companies have significant control of Keynvor Construction Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Keynvor Construction Limited 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 Keynvor Construction Limited 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.