- Companies
- Plumbers and heating engineers
- Rochester
- H20 Building Services (South East) Ltd
H20 Building Services (South East) Ltd
- Company number
- 11011462
- Incorporated
- 13 Oct 20179 years trading
- Registered office
- 7 Beaufort House Beaufort Court, Sir Thomas Longley Road, Rochester, Kent, ME2 4FB
- Nature of business
- Plumbing, heat and air-conditioning installation
H20 Building Services (South East) Ltd is a 9-year-old private limited company registered in Rochester, company number 11011462, one of 95 plumbing and heating companies in Rochester. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £5,000 (+14.4%) on the year before, to £40K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £39K against £14K owed within a year: 2.7 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £40K | £20K | £39K | £14K | 2 |
| 31 Oct 2024 | £35K | £36K | £43K | £8,892 | 1 |
| 31 Oct 2023 | £28K | £29K | £36K | £8,057 | 1 |
| 31 Oct 2022 | £42K | £41K | £49K | £8,020 | 1 |
| 31 Oct 2021 | £28K | £28K | £35K | £7,790 | 1 |
| 31 Oct 2020 | £18K | £25K | £30K | £14K | 1 |
| 31 Oct 2019 | £1,361 | £6,968 | £11K | £13K | |
| 31 Oct 2018 | £5,558 | £10K | £15K | £13K | 1 |
Who runs and owns H20 Building Services (South East) Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** B*** | Director | Oct 2017 |
Person with significant control
Where H20 Building Services (South East) Ltd is registered
The registered office is in Rochester (ME2), in the Medway local authority area, South East. Show ME2 4FB on a map.
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- Unit 10 Cars LtdMotor traders
- Andy Millsom Architectural & Structural Engineering LtdCivil engineering
- Baazcarpets LimitedFloor and wall tilers
- R&Z Auto Services LtdMechanics and garages
- Unique Roofing Solutions LtdRoofers
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Also registered at this address
10 other companies use the same registered office as H20 Building Services (South East) Ltd.
- C J Motor Services (Kent) LtdMechanics and garages
- Gardner FRD LtdBuilders
- Hanworth Scaffolding LimitedScaffolders
- MST Building Services South East LimitedBuilders
- Quest Construction Consultancy LtdSpecialist contractors
- Refractory Maintenance & Boiler Industrial Services LimitedCivil engineering
- Smile Electrical LtdElectricians
- Sutherlands Construction LimitedCivil engineering
- Talisman Contracts LimitedCivil engineering
- Wrights Fencing LimitedSpecialist contractors
What happens if H20 Building Services (South East) 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11011462
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 October 2017 (9 years ago)
- Registered office
- 7 Beaufort House Beaufort Court, Sir Thomas Longley Road, Rochester, Kent, ME2 4FB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 12 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 Rochester
Other active plumbing and heating companies registered in Rochester.
- Harvard Heating Services Ltd2022
- Harvard Renewables Ltd2025
- Harwoods Plumbing and Heating Services Ltd2022
- Heat and Homes Limited2020
- Hills Plumbing Services Ltd2016
- HJH Caney Ltd2019
- Howse’S Refrigeration Ltd2020
- Impact Plumbing Ltd2023
All plumbing and heating companies in Rochester · All trades in Rochester · Plumbers and heating engineers across the UK
Frequently asked questions
When are H20 Building Services (South East) Ltd's accounts due?
H20 Building Services (South East) Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is H20 Building Services (South East) Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is H20 Building Services (South East) Ltd still trading?
H20 Building Services (South East) 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 H20 Building Services (South East) Ltd do?
H20 Building Services (South East) Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is H20 Building Services (South East) Ltd?
H20 Building Services (South East) Ltd was incorporated on 13 October 2017, 9 years ago.
Who runs H20 Building Services (South East) Ltd?
H20 Building Services (South East) Ltd has 1 active director, the longest-serving appointed in Oct 2017. Their names and service addresses are on the Companies House register.
Who owns H20 Building Services (South East) Ltd?
One person or company has significant control of H20 Building Services (South East) Ltd: an individual (owns 75% or more of the shares).
What is the penalty if H20 Building Services (South East) 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 H20 Building Services (South East) 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.