- Companies
- Plumbers and heating engineers
- Borehamwood
- Ask the Plumber London Limited
Ask the Plumber London Limited
- Company number
- 09377372
- Incorporated
- 7 Jan 201511 years trading
- Registered office
- 2 Crown Road, Borehamwood, WD6 5JH
- Nature of business
- Plumbing, heat and air-conditioning installation
Ask the Plumber London Limited is a 11-year-old private limited company registered in Borehamwood, company number 09377372, one of 33 plumbing and heating companies in Borehamwood. 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.
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 Ask the Plumber London 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 £291 (+210.9%) on the year before, to £429.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £71K against £82K owed within a year: 0.9 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £429 | £71K | £82K | 3 | |
| 31 Jan 2024 | £138 | £30K | £39K | 3 | |
| 31 Jan 2023 | £7,071 | £77K | £77K | 3 | |
| 31 Jan 2022 | £21K | £61K | £16K | 3 | |
| 31 Jan 2021 | £361 | £58K | £36K | 2 | |
| 31 Jan 2020 | £1,529 | -£445 | £5,358 | 2 | |
| 31 Jan 2019 | £5,279 | £27K | £31K | ||
| 31 Jan 2018 | £1,060 | £17K | £29K | ||
| 31 Jan 2017 | £2,168 | £7,292 | £7,722 | £5,554 | |
| 31 Jan 2016 | £5,049 | £5,198 | £6,396 | £1,347 |
Who runs and owns Ask the Plumber London Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| H*** K*** | Director | Jan 2015 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| B*** K*** | Director | Apr 2018 | Feb 2019 |
People with significant control (2)
Where Ask the Plumber London Limited is registered
The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 5JH on a map.
Other trade companies in WD6
- Blackstone Builders LtdBuilders
- Clements Hall (Contracts) LtdFloor and wall tilers
- P & P Roofing & Guttering LimitedProperty developers
- Stern Landscaping LtdLandscapers and gardeners
- Complete Paint & Decor LtdPainters and decorators
- 1ST Response Plumbing and Heating LimitedPlumbers and heating engineers
- Ideal Casa Construction LtdInstallers
- Gallop Construction LimitedBuilders
What happens if Ask the Plumber London 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 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
- 09377372
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2015 (11 years ago)
- Registered office
- 2 Crown Road, Borehamwood, WD6 5JH
- 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
- 2 January 2026
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 Borehamwood
Other active plumbing and heating companies registered in Borehamwood.
- Assured Heating Essex Limited2013
- Atmosfair Ltd.2020
- Blue Water Renewables Ltd2022
- Blue Water Systems Limited2012
- Cool Gas Air Conditioning Ltd2019
- Cool Sky Air Conditioning Ltd2023
- D P Plumbing & Gas Ltd2023
- Danflo Ltd2022
All plumbing and heating companies in Borehamwood · All trades in Borehamwood · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ask the Plumber London Limited's accounts due?
Ask the Plumber London Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Ask the Plumber London Limited'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 Ask the Plumber London Limited still trading?
Ask the Plumber London Limited 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 Ask the Plumber London Limited do?
Ask the Plumber London Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ask the Plumber London Limited?
Ask the Plumber London Limited was incorporated on 7 January 2015, 11 years ago.
Who runs Ask the Plumber London Limited?
Ask the Plumber London Limited has 1 active director, the longest-serving appointed in Jan 2015. Their names and service addresses are on the Companies House register.
Who owns Ask the Plumber London Limited?
2 people or companies have significant control of Ask the Plumber London Limited: an individual (owns 25% to 50% of the shares); an individual (owns 50% to 75% of the shares).
What is the penalty if Ask the Plumber London 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 Ask the Plumber London Limited 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.