- Companies
- Civil engineering
- M.W.T. Civil Engineering Limited
M.W.T. Civil Engineering Limited
- Company number
- 04301254
- Incorporated
- 9 Oct 200125 years trading
- Registered office
- Oriel House, Tan Y Graig, Llysfaen, Conwy, LL29 8UA
- Nature of business
- Construction of roads and motorways; Construction of bridges and tunnels; Site preparation
M.W.T. Civil Engineering Limited is a 25-year-old private limited company registered in Llysfaen, company number 04301254, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £619K (+26.2%) on the year before, to £3M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £3.9M against £1.4M owed within a year: 2.8 times cover.
- 28 employees 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 Dec 2025 | £3M | £3.4M | £3.9M | £1.4M | 28 |
| 31 Dec 2024 | £2.4M | £2M | £2.6M | £675K | 28 |
| 31 Dec 2023 | £1.9M | £1.2M | £2.2M | £687K | 28 |
| 31 Dec 2022 | £1.5M | £1.3M | £1.6M | £384K | 28 |
| 31 Dec 2021 | £1M | £590K | £1.4M | £699K | 27 |
| 31 Dec 2020 | £578K | £402K | £949K | £542K | 25 |
| 31 Dec 2019 | £353K | £307K | £917K | £728K | 25 |
| 31 Dec 2018 | £261K | £241K | £426K | £305K | |
| 31 Dec 2017 | £234K | £172K | £477K | £373K | |
| 31 Dec 2016 | £177K | £101K | £296K | £236K |
Public contracts won
M.W.T. Civil Engineering Limited has 4 public sector contract awards on record; the ones with their own published value total £585K, from 2025 to 2026. 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.
Awards by year
Main buyers
- Denbighshire County Council4 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Denbighshire County Council | Pont Rhyd yr Hydd | £91K | 28 Aug 2026 |
| Denbighshire County Council | Victoria Bridge Repair Works | £210K | 14 Aug 2026 |
| Denbighshire County Council | Pont Llanerch Site Safety Works | £115K | 20 Jan 2026 |
| Denbighshire County Council | Pont Cyfnant Bridge Strengthening | £169K | 7 May 2025 |
Where M.W.T. Civil Engineering Limited is registered
The registered office is in Llysfaen (LL29), in the Conwy local authority area, Wales. Show LL29 8UA on a map.
Other trade companies in LL29
- Minami Solutions LtdCleaning companies
- L & B Maintenance Services LtdCleaning companies
- Mansfield Air Conditioning LtdPlumbers and heating engineers
- Capital Lifecycle Construction Advisory LtdCivil engineering
- HGJ Enterprises LimitedElectricians
- Coastal Roofcare LimitedRoofers
- Mobility Motor Company MMC LtdMotor traders
- CM Surfacing & Landscaping LtdSpecialist contractors
What happens if M.W.T. Civil Engineering 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 04301254
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2001 (25 years ago)
- Registered office
- Oriel House, Tan Y Graig, Llysfaen, Conwy, LL29 8UA
- Nature of business
- Construction of roads and motorways (SIC 42110)
Construction of bridges and tunnels (SIC 42130)
Site preparation (SIC 43120) - Year end
- 31 December (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 9 October 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 M.W.T. Civil Engineering Limited's accounts due?
M.W.T. Civil Engineering Limited's next accounts are due at Companies House by 30 September 2027 (in 351 days), covering the period to 31 December 2026.
When is M.W.T. Civil Engineering Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is M.W.T. Civil Engineering Limited still trading?
M.W.T. Civil Engineering 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 M.W.T. Civil Engineering Limited do?
M.W.T. Civil Engineering Limited is registered under Construction of roads and motorways (SIC 42110); Construction of bridges and tunnels (SIC 42130); Site preparation (SIC 43120).
How old is M.W.T. Civil Engineering Limited?
M.W.T. Civil Engineering Limited was incorporated on 9 October 2001, 25 years ago.
Has M.W.T. Civil Engineering Limited won public sector contracts?
Yes. M.W.T. Civil Engineering Limited has 4 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £585K), most recently from Denbighshire County Council.
What is the penalty if M.W.T. Civil Engineering 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 M.W.T. Civil Engineering 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.