- Companies
- Plumbers and heating engineers
- London
- Polkadot Plumbers Ltd
Polkadot Plumbers Ltd
- Company number
- 11780046
- Incorporated
- 22 Jan 20197 years trading
- Registered office
- Belle House 1 Hudsons Place, Unit 2 Platform 1 Victoria Mainline Station, London, SW1V 1JT
- Nature of business
- Plumbing, heat and air-conditioning installation
Polkadot Plumbers Ltd is a 7-year-old private limited company registered in London, company number 11780046, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
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 £90K (-177%) on the year before, to -£39K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £308K against £366K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£39K | £308K | £366K | 0 | |
| 31 Jan 2024 | £51K | £180K | £144K | 6 | |
| 31 Jan 2023 | £52K | £123K | £86K | 5 | |
| 31 Jan 2022 | £38K | £123K | £107K | 4 | |
| 31 Jan 2021 | £6,406 | £112K | £110K | 4 | |
| 31 Jan 2020 | £5,585 | £8,472 | £14K | £12K | 4 |
Where Polkadot Plumbers Ltd is registered
The registered office is in London (SW1V), in the Westminster local authority area, London. Show SW1V 1JT on a map.
Other trade companies in SW1V
- Siteline UK-Eu LimitedProperty developers
- Moon and Sun Development LtdProperty developers
- Spray Logic LimitedSpecialist contractors
- Netfixx Electrical LtdElectricians
- Martheo Consulting LimitedProperty developers
- City Plumbing 247 LtdPlumbers and heating engineers
- Art Home Construction LtdInstallers
- Montavere Group LtdBuilders
Also registered at this address
2 other companies use the same registered office as Polkadot Plumbers Ltd.
- Polkadot Projects LimitedInstallers
- Polkadot Property Services LimitedInstallers
What happens if Polkadot Plumbers 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11780046
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 January 2019 (7 years ago)
- Registered office
- Belle House 1 Hudsons Place, Unit 2 Platform 1 Victoria Mainline Station, London, SW1V 1JT
- 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 2025
- Last confirmation statement
- 21 January 2026
- Previous names
- Hotfix Plumbing Ltd (until 25 Feb 2019)
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.
- Ponty Plumbing Limited2025
- Pope Maintenance Services Ltd2026
- Portman Heating Limited2025
- Portman Plumbing Limited2025
- Portman Property Services Limited2024
- Portrait Plumbing & Heating Ltd2022
- Poseidon Plumbing and Heating Ltd2017
- Powerflow Gas & Heating Ltd2022
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Polkadot Plumbers Ltd's accounts due?
Polkadot Plumbers Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Polkadot Plumbers Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Polkadot Plumbers Ltd still trading?
Polkadot Plumbers 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 Polkadot Plumbers Ltd do?
Polkadot Plumbers Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Polkadot Plumbers Ltd?
Polkadot Plumbers Ltd was incorporated on 22 January 2019, 7 years ago.
What is the penalty if Polkadot Plumbers 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 Polkadot Plumbers 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.