- Companies
- Plumbers and heating engineers
- London
- Entropic Ecology Indoors UK Ltd
Entropic Ecology Indoors UK Ltd
- Company number
- 13698727
- Incorporated
- 22 Oct 20214 years trading
- Registered office
- 3RD Floor Waverley House, 7-12 Noel Street, London, W1F 8GQ
- Nature of business
- Plumbing, heat and air-conditioning installation; Agents involved in the sale of machinery, industrial equipment, ships and aircraft; Wholesale of other machinery and equipment; Wholesale of hardware, plumbing and heating equipment and supplies
Entropic Ecology Indoors UK Ltd is a 4-year-old private limited company registered in London, company number 13698727, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £2,854 (-3.2%) on the year before, to £87K.
- Current assets of £175K against £95K owed within a year: 1.9 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £87K | £73K | £175K | £95K | 2 |
| 31 Dec 2023 | £90K | £148K | £506K | £433K | 1 |
| 31 Dec 2022 | -£63K | £8,515 | £72K | £163K | 1 |
Where Entropic Ecology Indoors UK Ltd is registered
The registered office is in London (W1F), in the Westminster local authority area, London. Show W1F 8GQ on a map.
Other trade companies in W1F
- Cregstone UK LimitedProperty developers
- Bayford Facilities Services LtdPlumbers and heating engineers
- Dien Cho LtdBuilders
- Merchant Place Homes LtdProperty developers
- Laid Off Thames LimitedSpecialist contractors
- Atlas Firestopping LimitedInstallers
- Ma CSP Developments LimitedProperty developers
- Prosperous WXW LtdBuilders
Also registered at this address
1 other company uses the same registered office as Entropic Ecology Indoors UK Ltd.
- Cray Avenue Properties LimitedProperty developers
What happens if Entropic Ecology Indoors UK 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13698727
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2021 (4 years ago)
- Registered office
- 3RD Floor Waverley House, 7-12 Noel Street, London, W1F 8GQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140)
Wholesale of other machinery and equipment (SIC 46690)
Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 21 October 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 London
Other active plumbing and heating companies registered in London.
- Enviro Climate Limited2026
- Epic Plumbing, Heating & Gas Limited2022
- Epsom Plumbing Ltd2024
- Epz Building Solutions Ltd2024
- Eri Construction Ltd2021
- Ern Engineering Ltd2020
- Estate Installations Limited2025
- Etk Property Maintenance Limited2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Entropic Ecology Indoors UK Ltd's accounts due?
Entropic Ecology Indoors UK Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Entropic Ecology Indoors UK 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Entropic Ecology Indoors UK Ltd still trading?
Entropic Ecology Indoors UK 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 Entropic Ecology Indoors UK Ltd do?
Entropic Ecology Indoors UK Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Agents involved in the sale of machinery, industrial equipment, ships and aircraft (SIC 46140); Wholesale of other machinery and equipment (SIC 46690); Wholesale of hardware, plumbing and heating equipment and supplies (SIC 46740).
How old is Entropic Ecology Indoors UK Ltd?
Entropic Ecology Indoors UK Ltd was incorporated on 22 October 2021, 4 years ago.
What is the penalty if Entropic Ecology Indoors UK 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 Entropic Ecology Indoors UK 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.