- Companies
- Civil engineering
- Blackwood
- D & M Groundworks & Utilities Ltd
D & M Groundworks & Utilities Ltd
- Company number
- 10819274
- Incorporated
- 14 Jun 20179 years trading
- Registered office
- Unit B5 ST. Davids Industrial Estate, Pengam, Blackwood, NP12 3SW
- Nature of business
- Construction of utility projects for electricity and telecommunications; Construction of water projects
D & M Groundworks & Utilities Ltd is a 9-year-old private limited company registered in Blackwood, company number 10819274, one of 8 civil engineering contractors in Blackwood. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £47K (+12.5%) on the year before, to £424K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £368K against £297K owed within a year: 1.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £424K | £368K | £297K | 2 | |
| 30 Jun 2024 | £377K | £289K | £446K | £406K | 2 |
| 30 Jun 2023 | £267K | £321K | £284K | 2 | |
| 30 Jun 2022 | £19K | £16K | £170K | 2 | |
| 30 Jun 2021 | £2,300 | £36K | £187K | 2 | |
| 30 Jun 2020 | £55K | £68K | £120K | 2 | |
| 30 Jun 2019 | £78K | £88K | £47K | 2 | |
| 30 Jun 2018 | £15K | £9,381 | £9,851 | 2 |
Where D & M Groundworks & Utilities Ltd is registered
The registered office is in Blackwood (NP12), in the Caerphilly local authority area, Wales. Show NP12 3SW on a map.
Other trade companies in NP12
- Hohm Property Group LtdProperty developers
- R&C Mechanics LimitedMechanics and garages
- M & R Property Solutions (SW) LimitedFinishing trades
- JLH Scaffolding LtdScaffolders
- SM Contracting SW LtdBuilders
- Top Notch Carpentry Services LimitedInstallers
- Cardiff Bathrooms LtdFinishing trades
- CB Brickwork & Building LtdSpecialist contractors
Also registered at this address
1 other company uses the same registered office as D & M Groundworks & Utilities Ltd.
- D&M Plant Hire & Utilities LimitedGroundworks and demolition
What happens if D & M Groundworks & Utilities 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 10819274
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 June 2017 (9 years ago)
- Registered office
- Unit B5 ST. Davids Industrial Estate, Pengam, Blackwood, NP12 3SW
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Construction of water projects (SIC 42910) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 13 June 2026
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 in Blackwood
Other active civil engineering contractors registered in Blackwood.
- Dark & Hillman Construction Ltd2003
- Elite Jointing Solutions Limited2024
- John Dunn Brickwork Contractors Ltd2009
- LCS Engineering Ltd2009
- LV Plant Ltd2026
- Railzone Ltd2025
- Trydan Rail Ltd2023
All civil engineering contractors in Blackwood · All trades in Blackwood · Civil engineering across the UK
Frequently asked questions
When are D & M Groundworks & Utilities Ltd's accounts due?
D & M Groundworks & Utilities Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is D & M Groundworks & Utilities Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is D & M Groundworks & Utilities Ltd still trading?
D & M Groundworks & Utilities 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 D & M Groundworks & Utilities Ltd do?
D & M Groundworks & Utilities Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Construction of water projects (SIC 42910).
How old is D & M Groundworks & Utilities Ltd?
D & M Groundworks & Utilities Ltd was incorporated on 14 June 2017, 9 years ago.
What is the penalty if D & M Groundworks & Utilities 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 D & M Groundworks & Utilities 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.