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- Covertek Construction Ltd
Company profile · Roofers
Covertek Construction Ltd
Covertek Construction Ltd is a 12-year-old private limited company registered in Whitchurch, company number 08911406, one of 8 roofing companies in Whitchurch. 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.
Covertek Construction Ltd over the years
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 up £47K (+312.6%) on the year before, to £62K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £65K against £10K owed within a year: 6.5 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £62K | £65K | £10K | 1 | |
| 31 Mar 2024 | £15K | £11K | £1,192 | 1 | |
| 31 Mar 2023 | £23K | £18K | £2,552 | 1 | |
| 31 Mar 2022 | £19K | £15K | £1,918 | 1 | |
| 31 Mar 2021 | £22K | £22K | £21K | 1 | |
| 31 Mar 2020 | £7,835 | £26K | £20K | 1 | |
| 31 Mar 2019 | £493 | £17K | £18K | ||
| 31 Mar 2018 | £2,796 | £16K | £14K | ||
| 31 Mar 2017 | £5,032 | £5,818 | £5,517 | ||
| 31 Mar 2016 | £5,084 | £4,639 | £3,380 |
Who runs and owns Covertek Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** M*** | Director | Feb 2014 |
Person with significant control
Where Covertek Construction Ltd is registered
The registered office is in Whitchurch (BS14), in the Bristol, City of local authority area, South West. Show BS14 0JF on a map.
Other trade companies in BS14
- R.Gibbs Scaffolding LtdScaffolders
- Rose Roofing & Sons LtdRoofers
- Sugoi Solutions Holdco LimitedPlumbers and heating engineers
- C M L Cleaning Services LtdCleaning companies
- Sheehan Carpentry and Build LimitedJoiners and carpenters
- Spacewise Solutions LtdMachinery repair and installation
- M&C Groundworks LtdCivil engineering
- The Roof Company SW LtdRoofers
What happens if Covertek Construction 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
- 08911406
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 February 2014 (12 years ago)
- Registered office
- 16 Stoneberry Road, Whitchurch, Bristol, BS14 0JF
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 February 2026
- Previous names
- JM External Systems Limited (until 4 May 2020)
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Whitchurch
Other active roofing companies registered in Whitchurch.
- Dragon Elite Roofing and Plastics Ltd2026
- GH Roofing (Wrexham) Ltd2025
- Home Wise Roofing and Building Ltd2026
- JP Roofing & Groundworks Ltd2024
- KRS Bristol Limited2016
- On-Point Roofing Services Ltd2026
- Asj Roofing Contractors Ltd2024
All roofing companies in Whitchurch · All trades in Whitchurch · Roofers across the UK
Frequently asked questions
When are Covertek Construction Ltd's accounts due?
Covertek Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Covertek Construction 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 Covertek Construction Ltd still trading?
Covertek Construction 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 Covertek Construction Ltd do?
Covertek Construction Ltd is registered under Roofing activities (SIC 43910).
How old is Covertek Construction Ltd?
Covertek Construction Ltd was incorporated on 25 February 2014, 12 years ago.
Who runs Covertek Construction Ltd?
Covertek Construction Ltd has 1 active director, the longest-serving appointed in Feb 2014. Their names and service addresses are on the Companies House register.
Who owns Covertek Construction Ltd?
One person or company has significant control of Covertek Construction Ltd: an individual (owns 50% to 75% of the shares).
What is the penalty if Covertek Construction 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 Covertek Construction 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.