- Companies
- Roofers
- Ellesmere Port
- Kelmac Waterproofing Limited
Kelmac Waterproofing Limited
- Company number
- 10313289
- Incorporated
- 4 Aug 201610 years trading
- Registered office
- C/O DJH Chester City Chester House, Lloyd Drive, Ellesmere Port, CH65 9HQ
- Nature of business
- Roofing activities
Kelmac Waterproofing Limited is a 10-year-old private limited company registered in Ellesmere Port, company number 10313289, one of 8 roofing companies in Ellesmere Port. 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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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 £4,971 (+8.4%) on the year before, to £64K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £81K against £41K owed within a year: 1.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £64K | £62K | £81K | £41K | 2 |
| 31 Aug 2024 | £59K | £95K | £113K | £85K | 2 |
| 31 Aug 2023 | £45K | £214K | £391K | £385K | 1 |
| 31 Aug 2022 | £35K | £64K | £109K | £122K | 2 |
| 31 Aug 2021 | £49K | £61K | £81K | £92K | 2 |
| 31 Aug 2020 | £16K | £134K | £151K | £159K | 2 |
| 31 Aug 2019 | £691 | £7,849 | £35K | £33K | 2 |
| 31 Aug 2018 | £8,244 | £31K | £32K | £21K | 1 |
| 31 Aug 2017 | £1,122 | £5,099 | £3,977 | 1 |
Where Kelmac Waterproofing Limited is registered
The registered office is in Ellesmere Port (CH65), in the Cheshire West and Chester local authority area, North West. Show CH65 9HQ on a map.
Other trade companies in CH65
- The Kept House Company LtdCleaning companies
- Pioneer Ceilings and Partitions LtdJoiners and carpenters
- Eddy Access LimitedSpecialist contractors
- Eclipse Shield LtdFinishing trades
- Track Focused Racing (Operations) LimitedMechanics and garages
- Benson Industrial Flooring LtdFloor and wall tilers
- NCB Maintenance LtdFinishing trades
- Fin Jones R&C LtdRoofers
Shared registered office
34 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Kelmac Waterproofing 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 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
- 10313289
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2016 (10 years ago)
- Registered office
- C/O DJH Chester City Chester House, Lloyd Drive, Ellesmere Port, CH65 9HQ
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 3 August 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 Ellesmere Port
Other active roofing companies registered in Ellesmere Port.
- KST Cladding Ltd2025
- Reb Roofing & Cladding Ltd2026
- A-R-D Roofing and Cladding Ltd2025
- Dodsons Roofing Ltd2024
- Fin Jones R&C Ltd2026
- K Taylor Roofing & Cladding Ltd2026
- K. Merone Roofing Ltd2013
All roofing companies in Ellesmere Port · All trades in Ellesmere Port · Roofers across the UK
Frequently asked questions
When are Kelmac Waterproofing Limited's accounts due?
Kelmac Waterproofing Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Kelmac Waterproofing Limited'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 Kelmac Waterproofing Limited still trading?
Kelmac Waterproofing 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 Kelmac Waterproofing Limited do?
Kelmac Waterproofing Limited is registered under Roofing activities (SIC 43910).
How old is Kelmac Waterproofing Limited?
Kelmac Waterproofing Limited was incorporated on 4 August 2016, 10 years ago.
What is the penalty if Kelmac Waterproofing 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 Kelmac Waterproofing 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.