- Company number
- 09927295
- Incorporated
- 22 Dec 201510 years trading
- Registered office
- 15 Devonshire Close, Dronfield, S18 1QY
- Nature of business
- Roofing activities
Leak Testing Ltd is a 10-year-old private limited company registered in Dronfield, company number 09927295, one of 6 roofing companies in Dronfield. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £32K (+686.7%) on the year before, to £37K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £312K against £123K owed within a year: 2.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £37K | £4,516 | £312K | £123K | 0 |
| 31 Dec 2024 | £4,679 | £25K | £207K | £101K | 3 |
| 31 Dec 2023 | £12K | £6,414 | £150K | £145K | 3 |
| 31 Dec 2022 | £94K | £19K | £217K | £131K | 2 |
| 31 Dec 2021 | £68K | £11K | £158K | £99K | 2 |
| 31 Dec 2020 | £99K | £50K | £166K | £74K | 2 |
| 31 Dec 2019 | £96K | £30K | £183K | £102K | 1 |
| 31 Dec 2018 | £135K | £71K | £199K | £82K | 1 |
| 31 Dec 2017 | £42K | £1,056 | £63K | £40K | 1 |
| 31 Dec 2016 | £21K | £4,700 | £25K |
Where Leak Testing Ltd is registered
The registered office is in Dronfield (S18), in the North East Derbyshire local authority area, East Midlands. Show S18 1QY on a map.
Other trade companies in S18
- D D Cutts LtdMotor traders
- Parkers Property Maintenance LimitedLandscapers and gardeners
- SRH Agri LtdMachinery repair and installation
- Alexander&Cutts LtdMotor traders
- L Morgan Construction LimitedInstallers
- TDZ Electrical Services LtdElectricians
- Jeb Plastering Company LtdPlasterers
- R & R Joinery & Building LtdBuilders
Also registered at this address
1 other company uses the same registered office as Leak Testing Ltd.
- Atomic Industries LimitedRoofers
What happens if Leak Testing 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 09927295
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 December 2015 (10 years ago)
- Registered office
- 15 Devonshire Close, Dronfield, S18 1QY
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 22 April 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Dronfield
Other active roofing companies registered in Dronfield.
- MK Waterproofing Limited2021
- Proseal Smith Roofing Limited2018
- Saxton Developments Limited2015
- Atomic Industries Limited2012
- Barrow Roofing Limited2002
All roofing companies in Dronfield · All trades in Dronfield · Roofers across the UK
Frequently asked questions
When are Leak Testing Ltd's accounts due?
Leak Testing Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Leak Testing Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Leak Testing Ltd still trading?
Leak Testing 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 Leak Testing Ltd do?
Leak Testing Ltd is registered under Roofing activities (SIC 43910).
How old is Leak Testing Ltd?
Leak Testing Ltd was incorporated on 22 December 2015, 10 years ago.
What is the penalty if Leak Testing 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 Leak Testing 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.