- Company number
- 04706574
- Incorporated
- 21 Mar 200323 years trading
- Registered office
- 13 Church Street, Helston, Cornwall, TR13 8TD
- Nature of business
- Construction of domestic buildings
E.R. Jenkin & Sons Limited is a 23-year-old private limited company registered in Helston, company number 04706574, one of 36 building contractors in Helston. 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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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 £26K (-6.4%) on the year before, to £381K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £532K against £206K owed within a year: 2.6 times cover.
- 18 employees on average, up from 16 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £381K | £113K | £532K | £206K | 18 |
| 31 Mar 2024 | £407K | £130K | £553K | £180K | 16 |
| 31 Mar 2023 | £343K | £424K | £146K | 16 | |
| 31 Mar 2022 | £341K | £404K | £148K | 14 | |
| 31 Mar 2021 | £380K | £156K | £526K | £171K | 15 |
| 31 Mar 2020 | £397K | £128K | £509K | £155K | 14 |
| 31 Mar 2019 | £319K | £182K | £519K | £217K | 16 |
Who runs and owns E.R. Jenkin & Sons Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (5)
| Name | Role | Appointed |
|---|---|---|
| N*** J*** | Director | Mar 2003 |
| J*** J*** | Director | Sep 2012 |
| S*** J*** | Director | Dec 2014 |
| N*** H*** | Director | May 2022 |
| N*** J*** | Secretary | Mar 2003 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| Swift Incorporations Limited | Corporate Nominee Secretary | Mar 2003 | Mar 2003 |
| G*** J*** | Director | Apr 2003 | Mar 2006 |
| S*** J*** | Director | Mar 2003 | Nov 2014 |
People with significant control (2)
Charges (secured borrowing)
1 of 2 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Lloyds TSB Bank PLC | Outstanding | Dec 2003 |
| Lloyds TSB Bank PLC | Satisfied Apr 2007 | Aug 2006 |
Public contracts won
E.R. Jenkin & Sons Limited has one public sector contract award on record; the ones with their own published value total £11M (2018). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Cornwall Council | Hayle Academy Roofing Works | £11M | 9 Jul 2018 |
Where E.R. Jenkin & Sons Limited is registered
The registered office is in Helston (TR13), in the Cornwall local authority area, South West. Show TR13 8TD on a map.
Other trade companies in TR13
- Mitchell's Automotive LtdMechanics and garages
- Helston Motor Company LimitedMechanics and garages
- Wibberley Renovations LtdFinishing trades
- Elite Airframe Solutions LimitedMachinery repair and installation
- KSS Contracts LtdBuilders
- Celtic Fencing Contracts LtdLandscapers and gardeners
- CCL Development LimitedBuilders
- Dry Tree Developments LtdProperty developers
Also registered at this address
12 other companies use the same registered office as E.R. Jenkin & Sons Limited.
- Bat Engineering (Cornwall) LtdProperty developers
- Beacon Plumbing & Heating LtdPlumbers and heating engineers
- Cat Car Sales LimitedMotor traders
- Cornwall Auto Technics LimitedMechanics and garages
- Dry Tree Developments LtdProperty developers
- Hoskin Plumbing & Heating LtdPlumbers and heating engineers
- Lizard Yacht Services LtdMachinery repair and installation
- M & N Construction Helston LtdBuilders
- Shore Fix Construction LimitedBuilders
- Swo Autos LtdMotor traders
- Timber and Stone LimitedBuilders
- W.C. Matthews & Son LimitedFinishing trades
What happens if E.R. Jenkin & Sons 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 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
- 04706574
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2003 (23 years ago)
- Registered office
- 13 Church Street, Helston, Cornwall, TR13 8TD
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 March 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
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.
- Graceloft Limited1979
- JMH Stonemasons Ltd2022
- Kernoweth Homes Limited2006
- Keynvor Construction Limited2025
- KSS Contracts Ltd2026
- KSS SW Ltd2019
- Longstone Farm Services Ltd2024
- Lowarn Developments Ltd2025
All building contractors in Helston · All trades in Helston · Builders across the UK
Frequently asked questions
When are E.R. Jenkin & Sons Limited's accounts due?
E.R. Jenkin & Sons Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is E.R. Jenkin & Sons Limited'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 E.R. Jenkin & Sons Limited still trading?
E.R. Jenkin & Sons 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 E.R. Jenkin & Sons Limited do?
E.R. Jenkin & Sons Limited is registered under Construction of domestic buildings (SIC 41202).
How old is E.R. Jenkin & Sons Limited?
E.R. Jenkin & Sons Limited was incorporated on 21 March 2003, 23 years ago.
Who runs E.R. Jenkin & Sons Limited?
E.R. Jenkin & Sons Limited has 4 active directors, the longest-serving appointed in Mar 2003. Their names and service addresses are on the Companies House register.
Who owns E.R. Jenkin & Sons Limited?
2 people or companies have significant control of E.R. Jenkin & Sons Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
Has E.R. Jenkin & Sons Limited won public sector contracts?
Yes. E.R. Jenkin & Sons Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £11M), most recently from Cornwall Council.
What is the penalty if E.R. Jenkin & Sons 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 E.R. Jenkin & Sons 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.