- Companies
- Civil engineering
- Hatfield
- Connected Utilities Limited
Connected Utilities Limited
- Company number
- 16910411
- Incorporated
- 15 Dec 2025
- Registered office
- The Business Centre Brookmans Business Park Great North Road, Brookmans Park, Hatfield, AL9 6NE
- Nature of business
- Construction of utility projects for fluids; Construction of utility projects for electricity and telecommunications
Connected Utilities Limited is a newly incorporated private limited company registered in Hatfield, company number 16910411, one of 12 civil engineering contractors in Hatfield. Its next accounts are due at Companies House on 15 September 2027, and its first CT600 is due at HMRC on 14 December 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 Connected Utilities Limited is registered
The registered office is in Hatfield (AL9), in the Welwyn Hatfield local authority area, East of England. Show AL9 6NE on a map.
Other trade companies in AL9
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- Summit Air Conditioning Services LtdPlumbers and heating engineers
- Teknosa Automotive LimitedMotor traders
- Enki Construction LtdBuilders
- Queensbury ST Ippolyts LimitedBuilders
- William Douglas Acquisitions LimitedProperty developers
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- Miella Construction LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Connected Utilities Limited.
- Summit Air Conditioning Services LtdPlumbers and heating engineers
What happens if Connected Utilities 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 15 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Sep 2027 to 15 Oct 2027 | £150 |
| 1 to 3 months late | 16 Oct 2027 to 15 Dec 2027 | £375 |
| 3 to 6 months late | 16 Dec 2027 to 15 Mar 2028 | £750 |
| More than 6 months late | From 16 Mar 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
- 16910411
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 December 2025
- Registered office
- The Business Centre Brookmans Business Park Great North Road, Brookmans Park, Hatfield, AL9 6NE
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Construction of utility projects for electricity and telecommunications (SIC 42220) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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 Hatfield
Other active civil engineering contractors registered in Hatfield.
- Inrail Solutions Limited2017
- Kagyei Limited2019
- Kraven Consulting Ltd2012
- La & Ea Consultants Ltd2014
- Mighty Recruitment Ltd2020
- Naughton Contracts Limited2019
- Sas Response Limited2024
- Senico Surveys & Engineering Limited2025
All civil engineering contractors in Hatfield · All trades in Hatfield · Civil engineering across the UK
Frequently asked questions
When are Connected Utilities Limited's accounts due?
Connected Utilities Limited's next accounts are due at Companies House by 15 September 2027 (in 338 days), covering the period to 31 December 2026.
When is Connected Utilities Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 December 2026, due by 14 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Connected Utilities Limited still trading?
Connected Utilities 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 Connected Utilities Limited do?
Connected Utilities Limited is registered under Construction of utility projects for fluids (SIC 42210); Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Connected Utilities Limited?
Connected Utilities Limited was incorporated on 15 December 2025, less than a year ago.
What is the penalty if Connected Utilities 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 Connected Utilities 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.