- Companies
- Plumbers and heating engineers
- Stevenage
- Gate Leak Detection Limited
Gate Leak Detection Limited
- Company number
- 14061323
- Incorporated
- 21 Apr 20224 years trading
- Registered office
- 18 Julia Gate, Stevenage, SG2 7QT
- Nature of business
- Plumbing, heat and air-conditioning installation
Gate Leak Detection Limited is a 4-year-old private limited company registered in Stevenage, company number 14061323, one of 95 plumbing and heating companies in Stevenage. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £7,805 (+107.2%) on the year before, to £525.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £525 | 0 | |||
| 30 Apr 2024 | -£7,280 | £15K | £38K | 0 | |
| 30 Apr 2023 | £1 |
Where Gate Leak Detection Limited is registered
The registered office is in Stevenage (SG2), in the Stevenage local authority area, East of England. Show SG2 7QT on a map.
Other trade companies in SG2
- Amkj Construction LtdBuilders
- Terrascape Solution LtdSpecialist contractors
- K Taylor Ac Contractors LimitedPlumbers and heating engineers
- Kcet Services LtdProperty developers
- Saunders Climate Control LtdPlumbers and heating engineers
- Emp Energy LtdElectricians
- TKTK Cock Green Dev LtdProperty developers
- Mario's Building & Landscaping LtdBuilders
Also registered at this address
1 other company uses the same registered office as Gate Leak Detection Limited.
- Go Mechanical LtdPlumbers and heating engineers
What happens if Gate Leak Detection 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14061323
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 April 2022 (4 years ago)
- Registered office
- 18 Julia Gate, Stevenage, SG2 7QT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 24 March 2026
- Previous names
- GT Mechanical Services Ltd (until 16 Jan 2023)
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 Stevenage
Other active plumbing and heating companies registered in Stevenage.
- Go Mechanical Ltd2023
- Grease Busterz Ltd2023
- Harley Plumbing & Heating Ltd2026
- Harrison's Plumbing & Heating Limited2018
- Heat Elite Limited2020
- Heating Air Pipeworks (Hap) Ltd2023
- Heating Helpers Limited2019
- Heatsafe Plumbing and Heating Ltd2014
All plumbing and heating companies in Stevenage · All trades in Stevenage · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gate Leak Detection Limited's accounts due?
Gate Leak Detection Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Gate Leak Detection Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Gate Leak Detection Limited still trading?
Gate Leak Detection 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 Gate Leak Detection Limited do?
Gate Leak Detection Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gate Leak Detection Limited?
Gate Leak Detection Limited was incorporated on 21 April 2022, 4 years ago.
What is the penalty if Gate Leak Detection 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 Gate Leak Detection 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.