- Companies
- Groundworks and demolition
- Kingston upon Thames
- Ciku Construction Services Limited
Company profile · Groundworks and demolition
Ciku Construction Services Limited
Ciku Construction Services Limited is a 19-year-old private limited company registered in Kingston upon Thames, company number 06002588, one of the UK's groundworks and demolition companies. 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.
Ciku Construction Services 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 £1.3M (+80.7%) on the year before, to £2.9M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £5.9M against £3M owed within a year: 1.9 times cover.
- 7 employees on average, up from 5 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | £2.9M | £896K | £5.9M | £3M | 7 |
| 30 Apr 2024 | £1.6M | £241K | £4.2M | £3.4M | 5 |
| 30 Apr 2023 | £2.8M | £919K | £4.9M | £2.9M | 5 |
| 30 Apr 2022 | £2.4M | £699K | £4M | £2.4M | 5 |
| 30 Apr 2021 | £2.3M | £807K | £4.2M | £2.5M | 5 |
| 30 Apr 2020 | £2.2M | £459K | £4M | £2.5M | 4 |
| 30 Apr 2019 | £2.1M | £763K | £4.2M | £2.9M | 4 |
| 30 Apr 2018 | £2M | £1.4M | £4M | £2.8M | 4 |
| 30 Apr 2017 | £2M | £3.1M | £4M | £2.9M | 4 |
| 30 Apr 2016 | £1.6M | £1.9M | £3.6M | £3M |
Where Ciku Construction Services Limited is registered
The registered office is in Kingston upon Thames (KT1), in the Kingston upon Thames local authority area, London. Show KT1 3EF on a map.
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Also registered at this address
2 other companies use the same registered office as Ciku Construction Services Limited.
- Ciku Contracts LimitedGroundworks and demolition
- Ciku Training Services LimitedSpecialist contractors
What happens if Ciku Construction Services 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
- 06002588
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2006 (19 years ago)
- Registered office
- 63A Hawks Road, Hawks Road, Kingston upon Thames, KT1 3EF
- Nature of business
- Demolition (SIC 43110)
Site preparation (SIC 43120) - Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 20 November 2025
- Charges (mortgages)
- 2 outstanding of 3 registered
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Kingston upon Thames
Other active groundworks and demolition companies registered in Kingston upon Thames.
All groundworks and demolition companies in Kingston upon Thames · All trades in Kingston upon Thames · Groundworks and demolition across the UK
Frequently asked questions
When are Ciku Construction Services Limited's accounts due?
Ciku Construction Services 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 Ciku Construction Services 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 Ciku Construction Services Limited still trading?
Ciku Construction Services 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 Ciku Construction Services Limited do?
Ciku Construction Services Limited is registered under Demolition (SIC 43110); Site preparation (SIC 43120).
How old is Ciku Construction Services Limited?
Ciku Construction Services Limited was incorporated on 20 November 2006, 19 years ago.
What is the penalty if Ciku Construction Services 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 Ciku Construction Services 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.