- Companies
- Plumbers and heating engineers
- Darlington
- Proheat Engineering Limited
Proheat Engineering Limited
- Company number
- 13490556
- Incorporated
- 2 Jul 20215 years trading
- Registered office
- 73 Duke Street, Darlington, Co Durham, DL3 7SD
- Nature of business
- Plumbing, heat and air-conditioning installation
Proheat Engineering Limited is a 5-year-old private limited company registered in Darlington, company number 13490556, one of 58 plumbing and heating companies in Darlington. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Proheat Engineering LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £146 (+429.4%) on the year before, to £180.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £13K against £27K owed within a year: 0.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £180 | £13K | £27K | 2 | |
| 31 Jul 2024 | £34 | £21K | £39K | 2 | |
| 31 Jul 2023 | £4,534 | £11K | £11K | 2 | |
| 31 Jul 2022 | £7,921 | £25K | £23K | 1 |
Where Proheat Engineering Limited is registered
The registered office is in Darlington (DL3), in the Darlington local authority area, North East. Show DL3 7SD on a map.
Other trade companies in DL3
- Shine With Helen LtdCleaning companies
- RJB Consultants LtdInstallers
- Garry's Car Valeting LtdCleaning companies
- Go Elite Cleaning Services LtdCleaning companies
- BGP Property LtdProperty developers
- Frontier Energy Services LtdPlumbers and heating engineers
- Andrew Morgan Joinery LtdJoiners and carpenters
- Aburns Engineering LtdBuilders
Shared registered office
40 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Proheat Engineering 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 13490556
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 July 2021 (5 years ago)
- Registered office
- 73 Duke Street, Darlington, Co Durham, DL3 7SD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 1 July 2025
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 Darlington
Other active plumbing and heating companies registered in Darlington.
- RPG Rootie's Plumbing & Gas Ltd2026
- RW Gas & Heating Services Ltd2023
- S Oliver Holdings Limited2024
- Silverdale Gas Ltd2021
- SL Bathrooms Limited2008
- Stephen Lockey Plumbing and Heating Ltd2017
- Stewart Chapman Plumbing & Heating Ltd.2002
- Stove & Fireplace Centre Ltd2019
All plumbing and heating companies in Darlington · All trades in Darlington · Plumbers and heating engineers across the UK
Frequently asked questions
When are Proheat Engineering Limited's accounts due?
Proheat Engineering Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Proheat Engineering Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Proheat Engineering Limited still trading?
Proheat Engineering Limited is listed as active on the Companies House register (checked 12 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 Proheat Engineering Limited do?
Proheat Engineering Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Proheat Engineering Limited?
Proheat Engineering Limited was incorporated on 2 July 2021, 5 years ago.
What is the penalty if Proheat Engineering 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 Proheat Engineering Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.