- Companies
- Civil engineering
- Maidenhead
- Utility Network Infrastructures Ltd
Utility Network Infrastructures Ltd
- Company number
- 15574187
- Incorporated
- 18 Mar 20242 years trading
- Registered office
- Dairy House Money Row Green, Holyport, Maidenhead, SL6 2ND
- Nature of business
- Construction of utility projects for electricity and telecommunications
Utility Network Infrastructures Ltd is a 2-year-old private limited company registered in Maidenhead, company number 15574187, one of 16 civil engineering contractors in Maidenhead. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Utility Network Infrastructures Ltd is registered
The registered office is in Maidenhead (SL6), in the Windsor and Maidenhead local authority area, South East. Show SL6 2ND on a map.
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Also registered at this address
23 other companies use the same registered office as Utility Network Infrastructures Ltd.
- A J B Engineering Services LimitedMachinery repair and installation
- Astro Clean LimitedCleaning companies
- Avalon Maintenance LimitedCleaning companies
- B K Transmissions LimitedMechanics and garages
- Cameron Livingstone LtdMotor traders
- Cardiac Locksmiths LimitedMechanics and garages
- Cover Homes LimitedProperty developers
- Dream Gardens LimitedLandscapers and gardeners
- Ernest Barnes LimitedSpecialist contractors
- Gas Kitchen Services LimitedMachinery repair and installation
- Glenhurst Mechanical Services LtdPlumbers and heating engineers
- J R L Construction & Maintenance LimitedBuilders
- Jack Door Windows LimitedInstallers
- John Murphy and Company LimitedBuilders
- Landscape Services (Maidenhead) LtdLandscapers and gardeners
- M T Baker LimitedInstallers
- Munich Motors LimitedMechanics and garages
- Ospray Airless LimitedPainters and decorators
- RJ Clyde (Builders) LimitedBuilders
- Sword Services LimitedElectricians
- Tab Solutions LimitedElectricians
- Unique London Design & Build LimitedFinishing trades
- Zenith Canopy Structures LimitedSpecialist contractors
What happens if Utility Network Infrastructures 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 15574187
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2024 (2 years ago)
- Registered office
- Dairy House Money Row Green, Holyport, Maidenhead, SL6 2ND
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 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 Maidenhead
Other active civil engineering contractors registered in Maidenhead.
- Vector Structures Limited2018
- Ac Spires Engineering Limited2022
- Amack (Builders) Limited2018
- Berkley Precision Engineering Ltd2005
- Ca Consult Limited2005
- Courtesy Building Limited1960
- Craftlast Limited2007
- Farncombe Smith 1990 Ltd.1991
All civil engineering contractors in Maidenhead · All trades in Maidenhead · Civil engineering across the UK
Frequently asked questions
When are Utility Network Infrastructures Ltd's accounts due?
Utility Network Infrastructures Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Utility Network Infrastructures Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Utility Network Infrastructures Ltd still trading?
Utility Network Infrastructures 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 Utility Network Infrastructures Ltd do?
Utility Network Infrastructures Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Utility Network Infrastructures Ltd?
Utility Network Infrastructures Ltd was incorporated on 18 March 2024, 2 years ago.
What is the penalty if Utility Network Infrastructures 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 Utility Network Infrastructures 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.