- Companies
- Civil engineering
- Weldmec Construction Limited
Weldmec Construction Limited
- Company number
- 05635724
- Incorporated
- 24 Nov 200520 years trading
- Registered office
- Rockhampton Business Units, Newton, Thornbury, Bristol, BS35 1LG
- Nature of business
- Construction of other civil engineering projects n.e.c.
Weldmec Construction Limited is a 20-year-old private limited company registered in Thornbury, company number 05635724, one of the UK's civil engineering contractors. 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 £197K (-100%) on the year before, to £10.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £289K against £276K owed within a year: 1.0 times cover.
- 6 employees on average, down from 8 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £10 | £16K | £289K | £276K | 6 |
| 31 Mar 2025 | £197K | £207K | £593K | £371K | 8 |
| 31 Mar 2024 | £197K | £51K | £879K | £788K | 11 |
| 31 Mar 2023 | £293K | £41K | £744K | £447K | 13 |
| 31 Mar 2022 | £169K | £80K | £573K | £370K | 11 |
| 31 Mar 2021 | £277K | £218K | £744K | £356K | 19 |
| 31 Mar 2020 | £344K | £51K | £757K | £558K | 14 |
| 31 Mar 2019 | £242K | £15K | £362K | £244K | 12 |
| 31 Mar 2018 | £450K | £35K | £575K | £330K | 11 |
| 31 Mar 2017 | £520K | £124K | £643K | £348K | 11 |
Who runs and owns Weldmec 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 |
|---|---|---|
| B*** S*** | Director | Nov 2005 |
| S*** S*** | Secretary | Nov 2005 |
People with significant control (2)
Where Weldmec Construction Limited is registered
The registered office is in Thornbury (BS35), in the South Gloucestershire local authority area, South West. Show BS35 1LG on a map.
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- PMZ Campers LtdMotor traders
- TK Construction (SW) LtdBuilders
- Precision Plumbing SW LtdPlumbers and heating engineers
- LMB Masonry LtdSpecialist contractors
- Woodlane Home and Climate LimitedPlumbers and heating engineers
What happens if Weldmec 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 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
- 05635724
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 November 2005 (20 years ago)
- Registered office
- Rockhampton Business Units, Newton, Thornbury, Bristol, BS35 1LG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 24 November 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies
Other active civil engineering contractors.
Frequently asked questions
When are Weldmec Construction Limited's accounts due?
Weldmec Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Weldmec Construction 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 Weldmec Construction Limited still trading?
Weldmec 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 Weldmec Construction Limited do?
Weldmec Construction Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Weldmec Construction Limited?
Weldmec Construction Limited was incorporated on 24 November 2005, 20 years ago.
Who runs Weldmec Construction Limited?
Weldmec Construction Limited has 1 active director, the longest-serving appointed in Nov 2005. Their names and service addresses are on the Companies House register.
Who owns Weldmec Construction Limited?
2 people or companies have significant control of Weldmec 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 Weldmec 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 Weldmec 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.