- Companies
- Plumbers and heating engineers
- Market Rasen
- Ectotherm Ltd
Company profile · Plumbers and heating engineers
Ectotherm Ltd
Ectotherm Ltd is a 6-year-old private limited company registered in Market Rasen, company number 12388088, one of 25 plumbing and heating companies in Market Rasen. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 Ectotherm 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.
Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Ectotherm Ltd over the years
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 down £14K (-241.6%) on the year before, to -£20K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £7,490 against £28K owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | -£20K | £7,490 | £28K | 1 | |
| 31 Jan 2025 | -£5,951 | £10K | £17K | 1 | |
| 31 Jan 2024 | -£4,063 | £1,182 | £6,339 | 1 | |
| 31 Jan 2023 | -£3,491 | £2,221 | 1 | ||
| 31 Jan 2022 | £344 | £12K | £14K | 1 | |
| 31 Jan 2021 | -£2,671 | £5,970 | £12K | 1 |
Where Ectotherm Ltd is registered
The registered office is in Market Rasen (LN8), in the West Lindsey local authority area, East Midlands. Show LN8 3ZH on a map.
Other trade companies in LN8
- MJM Civils LimitedCivil engineering
- Engineer Direct (Lincolnshire) LtdElectricians
- Manic Vehicle Sales LtdMotor traders
- JCS Plumbing & Heating (Lincs) LtdPlumbers and heating engineers
- Buzzard Roofing LimitedRoofers
- Ojs Civil Engineering LtdCivil engineering
- Rapid Fix Tyres LtdMechanics and garages
- FH Paint LimitedPainters and decorators
What happens if Ectotherm 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12388088
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 January 2020 (6 years ago)
- Registered office
- 15 Forest Way, Market Rasen, LN8 3ZH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 21 October 2025
- Previous names
- Bee3D Ltd (until 21 Oct 2024)
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 Market Rasen
Other active plumbing and heating companies registered in Market Rasen.
- Fuel Tank Solutions Limited2019
- HD Refrigeration Limited2014
- Heating & Plumbing Solutions (Market Rasen) Limited2006
- Heatlinc Ltd2023
- Ian Brumpton Plumbing & Heating Services Limited2017
- J P Stuart Ltd2014
- JCS Plumbing & Heating (Lincs) Ltd2026
- K C Heating (Market Rasen) Limited2003
All plumbing and heating companies in Market Rasen · All trades in Market Rasen · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ectotherm Ltd's accounts due?
Ectotherm Ltd's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Ectotherm Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Ectotherm Ltd still trading?
Ectotherm 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 Ectotherm Ltd do?
Ectotherm Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ectotherm Ltd?
Ectotherm Ltd was incorporated on 6 January 2020, 6 years ago.
What is the penalty if Ectotherm 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 Ectotherm Ltd on Companies House for filed documents, officers and the full history.
Is something here wrong, or would you like this page removed? Request a correction or removal.
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.