- Companies
- Specialist contractors
- Neath
- Derwen Aggregates Ltd
Derwen Aggregates Ltd
- Company number
- 03104740
- Incorporated
- 21 Sep 199531 years trading
- Registered office
- Neath Abbey Wharf, Neath Abbey, Neath, West Glam, SA10 6BL
- Nature of business
- Other specialised construction activities n.e.c.
Derwen Aggregates Ltd is a 31-year-old private limited company registered in Neath, company number 03104740, one of 31 specialist construction companies in Neath. 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 down £345K (-14.9%) on the year before, to £2M.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £1.7M against £796K owed within a year: 2.2 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £2M | £366K | £1.7M | £796K | 0 |
| 31 Oct 2024 | £2.3M | £424K | £1.7M | £726K | 36 |
| 31 Oct 2023 | £2.4M | £701K | £1.8M | £855K | 34 |
| 31 Oct 2022 | £2.4M | £676K | £1.8M | £861K | 37 |
| 31 Oct 2021 | £2.5M | £966K | £2.1M | £1.1M | 39 |
| 31 Oct 2020 | £2.4M | £625K | £1.9M | £1.3M | 39 |
| 31 Oct 2019 | £2.4M | £26K | £1.3M | £1.1M | 30 |
| 31 Oct 2018 | £2.4M | £20K | £1.2M | £1.4M | 34 |
| 31 Oct 2017 | £2.1M | £22K | £1.3M | £1.6M | 34 |
| 31 Oct 2016 | £2.2M | £353 | £1.3M | £1.4M |
Where Derwen Aggregates Ltd is registered
The registered office is in Neath (SA10), in the Neath Port Talbot local authority area, Wales. Show SA10 6BL on a map.
Other trade companies in SA10
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- Laker Maintenance LtdElectricians
- South Wales Auto Keys LtdMechanics and garages
- DG Coatings LtdPainters and decorators
- Icc (SW) LtdBuilders
- Atom Solar Installations LtdElectricians
- Rapid Response Building Solutions LtdProperty developers
- Primus Brickwork LimitedSpecialist contractors
What happens if Derwen Aggregates 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 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
- 03104740
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 1995 (31 years ago)
- Registered office
- Neath Abbey Wharf, Neath Abbey, Neath, West Glam, SA10 6BL
- 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
- 21 September 2026
- Charges (mortgages)
- 7 outstanding of 7 registered
- Previous names
- Derwen Plant Company Limited (until 21 Jul 2017)
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 in Neath
Other active specialist construction companies registered in Neath.
- Dlis Limited2019
- Elias Carpentry Limited2019
- Exemplar Brickwork Ltd2026
- Golding QS Services Limited2017
- Ibm Brickwork Ltd2020
- J V Formwork Ltd2026
- J. D. C. Developments Ltd.1999
- Kap Carpentry Ltd2024
All specialist construction companies in Neath · All trades in Neath · Specialist contractors across the UK
Frequently asked questions
When are Derwen Aggregates Ltd's accounts due?
Derwen Aggregates Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Derwen Aggregates Ltd'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 Derwen Aggregates Ltd still trading?
Derwen Aggregates 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 Derwen Aggregates Ltd do?
Derwen Aggregates Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Derwen Aggregates Ltd?
Derwen Aggregates Ltd was incorporated on 21 September 1995, 31 years ago.
What is the penalty if Derwen Aggregates 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 Derwen Aggregates 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.