- Companies
- Civil engineering
- Wrexham
- CS Utilities NW Ltd
CS Utilities NW Ltd
- Company number
- 16304784
- Incorporated
- 10 Mar 20251 year trading
- Registered office
- Glanaber House, New Rhosrobin, Wrexham, LL11 4PP
- Nature of business
- Construction of utility projects for electricity and telecommunications
CS Utilities NW Ltd is a 1-year-old private limited company registered in Wrexham, company number 16304784, one of 61 civil engineering contractors in Wrexham. Its next accounts are due at Companies House on 10 December 2026, and its first CT600 is due at HMRC on 9 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where CS Utilities NW Ltd is registered
The registered office is in Wrexham (LL11), in the Wrexham local authority area, Wales. Show LL11 4PP on a map.
Other trade companies in LL11
- CB Signature Cleaning LtdCleaning companies
- Armac Developments LtdBuilders
- FH Property Maintenance LimitedFinishing trades
- Dryguard Solutions LimitedSpecialist contractors
- Phoenix Home and Cleaning Services LtdCleaning companies
- Fuze Electrical Group LimitedElectricians
- Hughes Flooring Wrexham LtdFloor and wall tilers
- Makkgroup LtdElectricians
Also registered at this address
1 other company uses the same registered office as CS Utilities NW Ltd.
- BC Construction (NW) LtdInstallers
What happens if CS Utilities NW 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 10 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Dec 2026 to 10 Jan 2027 | £150 |
| 1 to 3 months late | 11 Jan 2027 to 10 Mar 2027 | £375 |
| 3 to 6 months late | 11 Mar 2027 to 10 Jun 2027 | £750 |
| More than 6 months late | From 11 Jun 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
- 16304784
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2025 (1 year ago)
- Registered office
- Glanaber House, New Rhosrobin, Wrexham, LL11 4PP
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 March 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 Wrexham
Other active civil engineering contractors registered in Wrexham.
- D.L.R. Engineering Services Limited2007
- Dale Roberts Construction Ltd2006
- Dan Baker Technical Services, Surveying and Engineering Limited2007
- Dave Jones Building Contractors Limited2021
- DCJ NW Limited2025
- Drumreed Limited1981
- Eden Construction (North West) Limited2012
- Elite Surfacing Ltd.2009
All civil engineering contractors in Wrexham · All trades in Wrexham · Civil engineering across the UK
Frequently asked questions
When are CS Utilities NW Ltd's accounts due?
CS Utilities NW Ltd's next accounts are due at Companies House by 10 December 2026 (in 58 days), covering the period to 31 March 2026.
When is CS Utilities NW Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 March 2026, due by 9 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is CS Utilities NW Ltd still trading?
CS Utilities NW 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 CS Utilities NW Ltd do?
CS Utilities NW Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is CS Utilities NW Ltd?
CS Utilities NW Ltd was incorporated on 10 March 2025, 1 year ago.
What is the penalty if CS Utilities NW 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 CS Utilities NW 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.