- Companies
- Civil engineering
- Luton
- K Clancy Builders Limited
K Clancy Builders Limited
- Company number
- 05170689
- Incorporated
- 5 Jul 200422 years trading
- Registered office
- 5 Imperial Court, Laporte Way, Luton, Bedfordshire, LU4 8FE
- Nature of business
- Construction of other civil engineering projects n.e.c.
K Clancy Builders Limited is a 22-year-old private limited company registered in Luton, company number 05170689, one of 164 civil engineering contractors in Luton. 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 £9,275 (+53.1%) on the year before, to £27K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £61K against £34K owed within a year: 1.8 times cover.
- 2 employees on average during the year.
- 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 | £27K | £46K | £61K | £34K | 2 |
| 31 Dec 2024 | £17K | £30K | £45K | £27K | 2 |
| 31 Dec 2023 | £23K | £48K | £55K | £31K | 2 |
| 31 Dec 2022 | £17K | £40K | £46K | £29K | 2 |
| 31 Dec 2021 | £33K | £44K | £56K | £23K | 2 |
| 31 Dec 2020 | £39K | £55K | £78K | £39K | 2 |
| 31 Dec 2019 | £7,529 | £18K | £25K | £20K | 2 |
| 31 Dec 2018 | £213 | £3,117 | £11K | £17K | 2 |
| 31 Dec 2017 | £120 | £2,086 | £9,008 | £15K | 2 |
| 31 Dec 2016 | £310 | £5,864 | £14K | £19K | 2 |
Where K Clancy Builders Limited is registered
The registered office is in Luton (LU4), in the Luton local authority area, East of England. Show LU4 8FE on a map.
Other trade companies in LU4
- Kai Properties LtdProperty developers
- Surrey Design and Build LtdRoofers
- Lignora LtdFloor and wall tilers
- MK Services Pro LtdProperty developers
- Amp Vision Solutions LtdElectricians
- S R Auto Motors LimitedMotor traders
- Arseley Motor Group LtdMotor traders
- F Martini Building & Roofing LtdBuilders
Shared registered office
39 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 K Clancy Builders 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 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
- 05170689
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 July 2004 (22 years ago)
- Registered office
- 5 Imperial Court, Laporte Way, Luton, Bedfordshire, LU4 8FE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 5 July 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Luton
Other active civil engineering contractors registered in Luton.
- K. Pacey Brickwork Limited1997
- Kasavu Rail Limited2016
- Khce Limited2023
- Kotarja Groundworks Ltd2026
- Lecc Limited2014
- Lol Civils Ltd2025
- Loni Rail Ltd2026
- Luca Utilities Ltd2024
All civil engineering contractors in Luton · All trades in Luton · Civil engineering across the UK
Frequently asked questions
When are K Clancy Builders Limited's accounts due?
K Clancy Builders Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is K Clancy Builders Limited'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 K Clancy Builders Limited still trading?
K Clancy Builders 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 K Clancy Builders Limited do?
K Clancy Builders Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is K Clancy Builders Limited?
K Clancy Builders Limited was incorporated on 5 July 2004, 22 years ago.
What is the penalty if K Clancy Builders 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 K Clancy Builders 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.