- Companies
- Civil engineering
- Carlisle
- Waterloo Heat Network Limited
Waterloo Heat Network Limited
- Company number
- 16755086
- Incorporated
- 1 Oct 20251 year trading
- Registered office
- Castletown Office Castletown, Rockcliffe, Carlisle, Cumbria, CA6 4BN
- Nature of business
- Construction of utility projects for fluids; Plumbing, heat and air-conditioning installation
Waterloo Heat Network Limited is a 1-year-old private limited company registered in Carlisle, company number 16755086, one of 48 civil engineering contractors in Carlisle. Its next accounts are due at Companies House on 1 July 2027, and its first CT600 is due at HMRC on 30 September 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 Waterloo Heat Network Limited is registered
The registered office is in Carlisle (CA6), in the Cumberland local authority area, North West. Show CA6 4BN on a map.
Other trade companies in CA6
- TJL Site Management Services LtdBuilders
- Romans Paving LtdLandscapers and gardeners
- Leeds South Esco LimitedCivil engineering
- Leeds South Heat Network LimitedCivil engineering
- Clifford Mechanical LtdMechanics and garages
- WB Roofing and Building LtdRoofers
- Daniel Boulter LimitedProperty developers
- T Grice Roofing LtdRoofers
Also registered at this address
6 other companies use the same registered office as Waterloo Heat Network Limited.
- Leeds South Esco LimitedCivil engineering
- Leeds South Heat Network LimitedCivil engineering
- North Crawley Heat Network LimitedCivil engineering
- Open Esco LimitedCivil engineering
- Open Heat Network LimitedCivil engineering
- Tyseley Heat Network LimitedCivil engineering
What happens if Waterloo Heat Network 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 1 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Jul 2027 to 1 Aug 2027 | £150 |
| 1 to 3 months late | 2 Aug 2027 to 1 Oct 2027 | £375 |
| 3 to 6 months late | 2 Oct 2027 to 1 Jan 2028 | £750 |
| More than 6 months late | From 2 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 16755086
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 October 2025 (1 year ago)
- Registered office
- Castletown Office Castletown, Rockcliffe, Carlisle, Cumbria, CA6 4BN
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 March (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 Carlisle
Other active civil engineering contractors registered in Carlisle.
- Woodhouse Site Engineering Limited2022
- A.P. and J. Brown Ltd1987
- Acceron Industries Ltd2019
- Adr Utilities Ltd2026
- Alan Tuer Limited1979
- Allan Construction and Surfacing Contractors Ltd2026
- Armstrong Plant Limited2023
- Avara Civils Ltd2025
All civil engineering contractors in Carlisle · All trades in Carlisle · Civil engineering across the UK
Frequently asked questions
When are Waterloo Heat Network Limited's accounts due?
Waterloo Heat Network Limited's next accounts are due at Companies House by 1 July 2027 (in 261 days), covering the period to 31 March 2027.
When is Waterloo Heat Network 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 30 September 2026, due by 30 September 2027, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Waterloo Heat Network Limited still trading?
Waterloo Heat Network 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 Waterloo Heat Network Limited do?
Waterloo Heat Network Limited is registered under Construction of utility projects for fluids (SIC 42210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Waterloo Heat Network Limited?
Waterloo Heat Network Limited was incorporated on 1 October 2025, 1 year ago.
What is the penalty if Waterloo Heat Network 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 Waterloo Heat Network 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.