- Companies
- Plumbers and heating engineers
- Hitchin
- BMS Leak Detection Ltd
BMS Leak Detection Ltd
- Company number
- 11521707
- Incorporated
- 16 Aug 20188 years trading
- Registered office
- 45 Valley Road, Codicote, Hitchin, Hertfordshire, SG4 8YW
- Nature of business
- Plumbing, heat and air-conditioning installation
BMS Leak Detection Ltd is a 8-year-old private limited company registered in Hitchin, company number 11521707, one of 43 plumbing and heating companies in Hitchin. 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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Where BMS Leak Detection Ltd is registered
The registered office is in Hitchin (SG4), in the North Hertfordshire local authority area, East of England. Show SG4 8YW on a map.
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- Strata Washrooms LimitedInstallers
- Riseup Solar LtdSpecialist contractors
- Broadview Installations LtdGlaziers
- A2B Building Services LtdBuilders
- Loci Construction LtdSpecialist contractors
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Also registered at this address
6 other companies use the same registered office as BMS Leak Detection Ltd.
- CWF Refurbishments LimitedSpecialist contractors
- FPRS Plumbing and Drains LimitedPlumbers and heating engineers
- Holiday Cleaning Services LtdCleaning companies
- Island Decking LimitedLandscapers and gardeners
- SDL Construction LtdMachinery repair and installation
- Seaview Cleaning Services LtdCleaning companies
What happens if BMS Leak Detection 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 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
- 11521707
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2018 (8 years ago)
- Registered office
- 45 Valley Road, Codicote, Hitchin, Hertfordshire, SG4 8YW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 15 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 Hitchin
Other active plumbing and heating companies registered in Hitchin.
- Boilerpoint Ltd2021
- C Hobbs Plumbing and Heating Ltd2017
- Climech Limited2019
- DCL Plumbing and Heating Limited2021
- Dempsey Ductwork Limited2015
- DPS Heating & Plumbing Ltd2017
- DS Plumbing Limited2014
- E&W Services Ltd2020
All plumbing and heating companies in Hitchin · All trades in Hitchin · Plumbers and heating engineers across the UK
Frequently asked questions
When are BMS Leak Detection Ltd's accounts due?
BMS Leak Detection Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is BMS Leak Detection Ltd'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 BMS Leak Detection Ltd still trading?
BMS Leak Detection 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 BMS Leak Detection Ltd do?
BMS Leak Detection Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is BMS Leak Detection Ltd?
BMS Leak Detection Ltd was incorporated on 16 August 2018, 8 years ago.
What is the penalty if BMS Leak Detection 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 BMS Leak Detection 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.