- Companies
- Plumbers and heating engineers
- Harpenden
- Proflame Heating Ltd
Proflame Heating Ltd
- Company number
- 17024809
- Incorporated
- 10 Feb 2026
- Registered office
- 1 Allied Business Centre, Coldharbour Lane, Harpenden, AL5 4UT
- Nature of business
- Plumbing, heat and air-conditioning installation
Proflame Heating Ltd is a newly incorporated private limited company registered in Harpenden, company number 17024809, one of 22 plumbing and heating companies in Harpenden. Its next accounts are due at Companies House on 10 November 2027, and its first CT600 is due at HMRC on 9 February 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.
Is this your company?
File the first 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 Proflame Heating LtdOr 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.
Where Proflame Heating Ltd is registered
The registered office is in Harpenden (AL5), in the St Albans local authority area, East of England. Show AL5 4UT on a map.
Other trade companies in AL5
- M&T Building Services LimitedBuilders
- Rolfe Groundworks LtdGroundworks and demolition
- Rolls and Sons LtdProperty developers
- WM Holdings Group LtdProperty developers
- A Hussain Motor Group LtdMotor traders
- Harpenden Window Cleaning LtdCleaning companies
- Honey Bear Energy LimitedPlumbers and heating engineers
- M&D Paving LtdCivil engineering
Shared registered office
53 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 Proflame 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 10 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Nov 2027 to 10 Dec 2027 | £150 |
| 1 to 3 months late | 11 Dec 2027 to 10 Feb 2028 | £375 |
| 3 to 6 months late | 11 Feb 2028 to 10 May 2028 | £750 |
| More than 6 months late | From 11 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17024809
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2026
- Registered office
- 1 Allied Business Centre, Coldharbour Lane, Harpenden, AL5 4UT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Harpenden
Other active plumbing and heating companies registered in Harpenden.
- Quantech Air Conditioning Ltd2026
- Riseley Plumbing Services Limited2003
- Ross Plumbing Limited2007
- Sarikaya Plumbing and Heating Ltd2021
- SGM Renewables Ltd2022
- Shire Electrical Services Limited2015
- Top Bathrooms (Flitwick) Ltd2010
- Walker Mechanical Services Ltd2024
All plumbing and heating companies in Harpenden · All trades in Harpenden · Plumbers and heating engineers across the UK
Frequently asked questions
When are Proflame Heating Ltd's accounts due?
Proflame Heating Ltd's next accounts are due at Companies House by 10 November 2027 (in 393 days), covering the period to 28 February 2027.
When is Proflame 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 9 February 2027, due by 9 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Proflame Heating Ltd still trading?
Proflame 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 Proflame Heating Ltd do?
Proflame Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Proflame Heating Ltd?
Proflame Heating Ltd was incorporated on 10 February 2026, less than a year ago.
What is the penalty if Proflame 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 Proflame 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.