- Companies
- Builders
- St Austell
- Colvin Builders Ltd
Colvin Builders Ltd
- Company number
- 08682242
- Incorporated
- 9 Sep 201313 years trading
- Registered office
- 36 Polkyth Road, St Austell, PL25 4LW
- Nature of business
- Construction of domestic buildings
Colvin Builders Ltd is a 13-year-old private limited company registered in St Austell, company number 08682242, one of 47 building contractors in St Austell. 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 £2,370 (-3.2%) on the year before, to £72K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £71K against £1,354 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £72K | £71K | £1,354 | 0 | |
| 30 Sep 2024 | £74K | £1,657 | £73K | £1,278 | 0 |
| 30 Sep 2023 | £78K | £17K | £90K | £15K | 0 |
| 30 Sep 2022 | £80K | £18K | £90K | £15K | 0 |
| 30 Sep 2021 | £82K | £96K | £101K | £25K | 4 |
| 30 Sep 2020 | £94K | £122K | £133K | £47K | 3 |
| 30 Sep 2019 | £136K | £146K | £181K | £55K | |
| 30 Sep 2018 | £120K | £156K | £164K | £59K | |
| 30 Sep 2017 | £32K | £12K | £77K | £47K | |
| 30 Sep 2016 | £23K | £7,885 | £69K | £49K |
Where Colvin Builders Ltd is registered
The registered office is in St Austell (PL25), in the Cornwall local authority area, South West. Show PL25 4LW on a map.
Other trade companies in PL25
- Platinum Window Care LimitedCleaning companies
- Aspire Land Property LimitedProperty developers
- Kernow Property Portfolio LtdProperty developers
- Bould Landscapes LimitedLandscapers and gardeners
- Rustic Homes LtdProperty developers
- Rustic Property LtdProperty developers
- Balustrade Solutions Cornwall LimitedInstallers
- R&L Developments Group LtdBuilders
What happens if Colvin Builders 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 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
- 08682242
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 September 2013 (13 years ago)
- Registered office
- 36 Polkyth Road, St Austell, PL25 4LW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 9 September 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 St Austell
Other active building contractors registered in St Austell.
- Cornwall Construction Limited2024
- Cornwall Executive Homes Ltd2018
- Corporate Housing Limited1991
- CRM Building Services Ltd2020
- Cubenet Limited2003
- Dale Isbell Construction Limited2007
- Diamond GCL Limited2021
- Dyer Construction Cornwall Ltd2018
All building contractors in St Austell · All trades in St Austell · Builders across the UK
Frequently asked questions
When are Colvin Builders Ltd's accounts due?
Colvin Builders Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Colvin Builders Ltd'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 Colvin Builders Ltd still trading?
Colvin Builders Ltd is listed as active on the Companies House register (checked 12 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 Colvin Builders Ltd do?
Colvin Builders Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Colvin Builders Ltd?
Colvin Builders Ltd was incorporated on 9 September 2013, 13 years ago.
What is the penalty if Colvin Builders 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 Colvin Builders Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.