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- CK Insulation Limited
Company profile · Specialist contractors
CK Insulation Limited
CK Insulation Limited is a 8-year-old private limited company registered in Gillingham, company number 11336536, one of 77 specialist construction companies in Gillingham. 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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Financial snapshot, 2025
From the balance sheet at 30 April 2025, as filed at Companies House.
CK Insulation Limited over the years
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 £5,722 (+61.7%) on the year before, to £15K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £19K against £4,281 owed within a year: 4.5 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £15K | £2,138 | £19K | £4,281 | 3 |
| 30 Apr 2024 | £9,276 | £15K | £5,388 | 2 | |
| 30 Apr 2023 | £9,835 | £709 | £13K | £3,656 | 2 |
| 30 Apr 2022 | -£4,634 | £1,666 | £4,994 | £9,628 | 2 |
| 30 Apr 2021 | -£2,925 | £30 | £30 | £2,955 | 2 |
| 30 Apr 2020 | £6,776 | £3,299 | £10K | £3,681 | 2 |
| 30 Apr 2019 | £3,680 | £902 | £7,958 | £4,278 |
Where CK Insulation Limited is registered
The registered office is in Gillingham (ME8), in the Medway local authority area, South East. Show ME8 7PS on a map.
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What happens if CK Insulation 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
- 11336536
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2018 (8 years ago)
- Registered office
- 210 Station Road, Rainham, Gillingham, ME8 7PS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 17 August 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 Gillingham
Other active specialist construction companies registered in Gillingham.
- Copperfield Building Services Limited1998
- Cowdray Construction Limited2022
- Daniel Build Ltd2020
- Danny S Construction Ltd2025
- Darsha Contracts Limited2017
- Datech Solutions Limited2006
- DC Frames Ltd2024
- Deploy Project Services Limited2023
All specialist construction companies in Gillingham · All trades in Gillingham · Specialist contractors across the UK
Frequently asked questions
When are CK Insulation Limited's accounts due?
CK Insulation Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is CK Insulation 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 CK Insulation Limited still trading?
CK Insulation 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 CK Insulation Limited do?
CK Insulation Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is CK Insulation Limited?
CK Insulation Limited was incorporated on 30 April 2018, 8 years ago.
What is the penalty if CK Insulation 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 CK Insulation 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.