- Companies
- Specialist contractors
- Billericay
- Ins Leak Detection Ltd
Ins Leak Detection Ltd
- Company number
- 12641056
- Incorporated
- 2 Jun 20206 years trading
- Registered office
- Unit 8 Barleylands Farm, Barleylands Road, Billericay, Essex, CM11 2UD
- Nature of business
- Other specialised construction activities n.e.c.
Ins Leak Detection Ltd is a 6-year-old private limited company registered in Billericay, company number 12641056, one of 60 specialist construction companies in Billericay. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £407 (-29.5%) on the year before, to -£1,785.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- Current assets of £2 against £1,787 owed within a year: 0.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£1,785 | £2 | £2 | £1,787 | 1 |
| 30 Jun 2024 | -£1,378 | £2 | £2 | £1,380 | 1 |
| 30 Jun 2023 | -£1,018 | £2 | £1,020 | 1 | |
| 30 Jun 2022 | -£726 | £54 | £780 | 1 | |
| 30 Jun 2021 | £1 | £1 | 0 |
Where Ins Leak Detection Ltd is registered
The registered office is in Billericay (CM11), in the Basildon local authority area, East of England. Show CM11 2UD on a map.
Other trade companies in CM11
- Washthatoffbrother LtdCleaning companies
- Prestige Auto Engineering LtdMechanics and garages
- E3 Building and Roofing LtdRoofers
- E3 Landscaping LtdLandscapers and gardeners
- The Aircon Specialist LtdPlumbers and heating engineers
- 1ST Class Property Group LimitedProperty developers
- Bobys Garage Engine Build HPC LtdMechanics and garages
- Winsor Autocare Services LimitedMechanics and garages
Also registered at this address
2 other companies use the same registered office as Ins Leak Detection Ltd.
- Ins Property Claims LimitedFinishing trades
- Ins Property Construction LimitedInstallers
What happens if Ins 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12641056
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2020 (6 years ago)
- Registered office
- Unit 8 Barleylands Farm, Barleylands Road, Billericay, Essex, CM11 2UD
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 June 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Billericay
Other active specialist construction companies registered in Billericay.
- Into the Garden Room Ltd2015
- Jac Road Haulage Ltd2017
- JC Climate Control Ltd2025
- Jet & Drain Ltd2008
- Kestal Projects Limited2005
- KMS Roxwell Limited2014
- L & J Contracts & Interiors Limited2015
- Leitrim Investments Limited2025
All specialist construction companies in Billericay · All trades in Billericay · Specialist contractors across the UK
Frequently asked questions
When are Ins Leak Detection Ltd's accounts due?
Ins Leak Detection Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Ins Leak Detection Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Ins Leak Detection Ltd still trading?
Ins 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 Ins Leak Detection Ltd do?
Ins Leak Detection Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ins Leak Detection Ltd?
Ins Leak Detection Ltd was incorporated on 2 June 2020, 6 years ago.
What is the penalty if Ins 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 Ins 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.