- Companies
- Plumbers and heating engineers
- London
- KDM Plumbing & Heating Limited
KDM Plumbing & Heating Limited
- Company number
- 12154885
- Incorporated
- 14 Aug 20197 years trading
- Registered office
- 2 Beaconsfield Road, London, SE9 4DJ
- Nature of business
- Plumbing, heat and air-conditioning installation
KDM Plumbing & Heating Limited is a 7-year-old private limited company registered in London, company number 12154885, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 up £13K (+369.3%) on the year before, to £9,265.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £50K against £7,659 owed within a year: 6.5 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 Aug 2025 | £9,265 | £50K | £7,659 | 0 | |
| 31 Aug 2024 | -£3,440 | £66K | £29K | 2 | |
| 31 Aug 2023 | -£101K | £23K | £81K | 1 | |
| 31 Aug 2022 | -£87K | £24K | £110K | 2 | |
| 31 Aug 2021 | £51K | £18K | £69K | 2 | |
| 31 Aug 2020 | £39 | £14K | £14K | 3 |
Where KDM Plumbing & Heating Limited is registered
The registered office is in London (SE9), in the Bromley local authority area, London. Show SE9 4DJ on a map.
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- South East London Locksmith LimitedSpecialist contractors
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What happens if KDM Plumbing & Heating 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12154885
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2019 (7 years ago)
- Registered office
- 2 Beaconsfield Road, London, SE9 4DJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 13 August 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 London
Other active plumbing and heating companies registered in London.
- Keeno Gas Services Ltd2024
- Keepwell Homecare Ltd2025
- Keigen Technologies ( UK) Limited2021
- Keith Charles Limited2023
- Kellys Adaptive Living Ltd2026
- Kemco Plumbing & Heating Limited2013
- Ken Heating and Plumbing Ltd2022
- Kenmar Cooling Limited2006
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are KDM Plumbing & Heating Limited's accounts due?
KDM Plumbing & Heating Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is KDM Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is KDM Plumbing & Heating Limited still trading?
KDM Plumbing & Heating Limited is listed as active on the Companies House register (checked 13 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 KDM Plumbing & Heating Limited do?
KDM Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is KDM Plumbing & Heating Limited?
KDM Plumbing & Heating Limited was incorporated on 14 August 2019, 7 years ago.
What is the penalty if KDM Plumbing & Heating 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 KDM Plumbing & Heating Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.