- Companies
- Plumbers and heating engineers
- Chelmsford
- Triangle Heating Ltd
Triangle Heating Ltd
- Company number
- 17100580
- Incorporated
- 18 Mar 2026
- Registered office
- 401 Baddow Road, Chelmsford, Essex, CM2 7QJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Triangle Heating Ltd is a newly incorporated private limited company registered in Chelmsford, company number 17100580, one of 136 plumbing and heating companies in Chelmsford. Its next accounts are due at Companies House on 18 December 2027, and its first CT600 is due at HMRC on 17 March 2028.
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 Triangle Heating Ltd is registered
The registered office is in Chelmsford (CM2), in the Chelmsford local authority area, East of England. Show CM2 7QJ on a map.
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- HRK 01 LtdBuilders
- Anglian Air & Power LtdElectricians
- DCC 3D LtdSpecialist contractors
- DCC Sustain LtdSpecialist contractors
- Dion Electrical LtdElectricians
- Highway Valeting Centre LtdCleaning companies
- Arkstone Developments LimitedProperty developers
Also registered at this address
16 other companies use the same registered office as Triangle Heating Ltd.
- Bare Seamless Design LtdPlasterers
- Big Image Flooring LtdFloor and wall tilers
- Birch Building & Decorating Services LtdFinishing trades
- Capital Plastering & Rendering LtdPlasterers
- Cretepave Plus LtdSpecialist contractors
- Fairgreen Heating & Electrical LtdPlumbers and heating engineers
- Fine Line Plastering LtdPlasterers
- G3 Construction (UK) LtdProperty developers
- GJ Carswell LtdJoiners and carpenters
- JC Flooring (Essex) LtdFloor and wall tilers
- Jeti Windows LtdGlaziers
- LBR Civils LtdGroundworks and demolition
- NTP Building Services LimitedProperty developers
- Riley Electrical LimitedElectricians
- T.J. Property Maintenance LtdFinishing trades
- The Power Saving Company LimitedPlumbers and heating engineers
What happens if Triangle Heating 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 18 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Dec 2027 to 18 Jan 2028 | £150 |
| 1 to 3 months late | 19 Jan 2028 to 18 Mar 2028 | £375 |
| 3 to 6 months late | 19 Mar 2028 to 18 Jun 2028 | £750 |
| More than 6 months late | From 19 Jun 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
- 17100580
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2026
- Registered office
- 401 Baddow Road, Chelmsford, Essex, CM2 7QJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 13 April 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Chelmsford
Other active plumbing and heating companies registered in Chelmsford.
- TT Cooling Limited2024
- Tucker Gas Limited2015
- Uniq Heating Ltd2023
- Verma Gas Services Limited2020
- Warm Home Essex Limited2022
- Wefix Plumbing & Heating Ltd2019
- Weldatube Mechanical & Electrical Services Limited1997
- Woodhouse National Cooling Ltd2026
All plumbing and heating companies in Chelmsford · All trades in Chelmsford · Plumbers and heating engineers across the UK
Frequently asked questions
When are Triangle Heating Ltd's accounts due?
Triangle Heating Ltd's next accounts are due at Companies House by 18 December 2027 (in 432 days), covering the period to 31 March 2027.
When is Triangle Heating 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 17 March 2027, due by 17 March 2028, 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 Triangle Heating Ltd still trading?
Triangle Heating 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 Triangle Heating Ltd do?
Triangle Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Triangle Heating Ltd?
Triangle Heating Ltd was incorporated on 18 March 2026, less than a year ago.
What is the penalty if Triangle Heating 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 Triangle Heating 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.