- Companies
- Specialist contractors
- A.W. Cowan Groundworks Limited
A.W. Cowan Groundworks Limited
- Company number
- 01580510
- Incorporated
- 17 Aug 198145 years trading
- Registered office
- The Old Offices, Urlay Nook,, Eaglescliffe, Yarm, Stockton -on Tees, Cleveland, TS16 0LA
- Nature of business
- Other specialised construction activities n.e.c.
A.W. Cowan Groundworks Limited is a 45-year-old private limited company registered in Stockton -on Tees, company number 01580510, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £7,827 (+3.1%) on the year before, to £259K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £2.1M against £2M owed within a year: 1.0 times cover.
- 25 employees on average, down from 30 the year before.
- 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 Oct 2025 | £259K | -£319K | £2.1M | £2M | 25 |
| 31 Oct 2024 | £251K | £202 | £1.1M | £1.1M | 30 |
| 31 Oct 2023 | £256K | £89 | £1.3M | £1.2M | 45 |
| 31 Oct 2022 | £432K | £2 | £1.2M | £1.1M | 44 |
| 31 Oct 2021 | £282K | £2 | £1M | £1.1M | 41 |
| 31 Oct 2020 | £334K | £2 | £594K | £647K | 54 |
| 31 Oct 2019 | £518K | £2 | £816K | £859K | 46 |
| 31 Oct 2018 | £685K | £8,308 | £936K | £889K | 46 |
| 31 Oct 2017 | £620K | £51K | £1.1M | £987K | 53 |
| 31 Oct 2016 | £500K | £19K | £1M | £967K |
Where A.W. Cowan Groundworks Limited is registered
The registered office is in Stockton -on Tees (TS16), in the Stockton-on-Tees local authority area, North East. Show TS16 0LA on a map.
Other trade companies in TS16
- UK National Winter Services LimitedFacilities management
- Eaglescliffe Motor Group LtdMotor traders
- Thermoworks Mechanical LtdPlumbers and heating engineers
- Yarm Electrical Services LtdMachinery repair and installation
- Premier Approved Motors LtdMotor traders
- Dsus LtdCivil engineering
- Mandale Homes 2 LtdProperty developers
- G U Lifting LtdBuilders
What happens if A.W. Cowan Groundworks 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 01580510
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 1981 (45 years ago)
- Registered office
- The Old Offices, Urlay Nook,, Eaglescliffe, Yarm, Stockton -on Tees, Cleveland, TS16 0LA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 30 July 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies
Other active specialist construction companies.
Frequently asked questions
When are A.W. Cowan Groundworks Limited's accounts due?
A.W. Cowan Groundworks Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is A.W. Cowan Groundworks Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is A.W. Cowan Groundworks Limited still trading?
A.W. Cowan Groundworks 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 A.W. Cowan Groundworks Limited do?
A.W. Cowan Groundworks Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is A.W. Cowan Groundworks Limited?
A.W. Cowan Groundworks Limited was incorporated on 17 August 1981, 45 years ago.
What is the penalty if A.W. Cowan Groundworks 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 A.W. Cowan Groundworks 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.