- Company number
- 07747560
- Incorporated
- 22 Aug 201115 years trading
- Registered office
- 7 Trythance Barns, ST Keverne, Helston, Cornwall, TR12 6NY
- Nature of business
- Construction of domestic buildings
Penmellyn Limited is a 15-year-old private limited company registered in Helston, company number 07747560, one of 36 building contractors in Helston. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £13K (-78.6%) on the year before, to £3,677.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £75K against £79K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £3,677 | £75K | £79K | 0 | |
| 30 Sep 2024 | £17K | £78K | £70K | 2 | |
| 30 Sep 2023 | £19K | £94K | £87K | 2 | |
| 30 Sep 2022 | £39K | £151K | £126K | 2 | |
| 30 Sep 2021 | £96K | £73K | £180K | £101K | 2 |
| 30 Sep 2020 | £42K | £4,937 | £130K | £106K | 2 |
| 30 Sep 2019 | £34K | £1,014 | £75K | £61K | 2 |
| 30 Sep 2018 | £11K | £3,168 | £92K | £104K | |
| 31 Aug 2017 | £1,207 | £36 | £67K | £66K |
Where Penmellyn Limited is registered
The registered office is in Helston (TR12), in the Cornwall local authority area, South West. Show TR12 6NY 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 Penmellyn 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 07747560
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2011 (15 years ago)
- Registered office
- 7 Trythance Barns, ST Keverne, Helston, Cornwall, TR12 6NY
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 22 August 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Penmellyn Developments Ltd (until 13 Apr 2018)
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.
- Phoenix Builders Cornwall Ltd2021
- RW Groundworks & Civil Engineering Limited2025
- Shore Fix Construction Limited2012
- Southern Cross Building and Construction Services Ltd2015
- Thorn Construction Ltd2001
- Timber and Stone Limited2014
- Tin Coast Construction Ltd2025
- Treloweth Concepts Limited2012
All building contractors in Helston · All trades in Helston · Builders across the UK
Frequently asked questions
When are Penmellyn Limited's accounts due?
Penmellyn Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Penmellyn Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Penmellyn Limited still trading?
Penmellyn 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 Penmellyn Limited do?
Penmellyn Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Penmellyn Limited?
Penmellyn Limited was incorporated on 22 August 2011, 15 years ago.
What is the penalty if Penmellyn 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 Penmellyn 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.