- Companies
- Builders
- Waltham Cross
- Colossus Construction Ltd
Colossus Construction Ltd
- Company number
- 12849540
- Incorporated
- 1 Sep 20206 years trading
- Registered office
- 180 Aldermere Avenue, Cheshunt, Waltham Cross, EN8 0FG
- Nature of business
- Construction of domestic buildings
Colossus Construction Ltd is a 6-year-old private limited company registered in Waltham Cross, company number 12849540, one of 174 building contractors in Waltham Cross. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £214K on the year before, to £222K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £1M against £852K owed within a year: 1.2 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £222K | £1M | £852K | 7 | |
| 30 Sep 2024 | £7,929 | £477K | £510K | 7 | |
| 30 Sep 2023 | £44K | £210K | £202K | 7 | |
| 30 Sep 2022 | £57K | £48K | 5 | ||
| 31 Aug 2021 | £26K | £16K | 4 |
Where Colossus Construction Ltd is registered
The registered office is in Waltham Cross (EN8), in the Broxbourne local authority area, East of England. Show EN8 0FG on a map.
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What happens if Colossus Construction 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12849540
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2020 (6 years ago)
- Registered office
- 180 Aldermere Avenue, Cheshunt, Waltham Cross, EN8 0FG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 31 August 2026
- Previous names
- Ristani Construction Ltd (until 23 Sep 2020)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Waltham Cross
Other active building contractors registered in Waltham Cross.
- Concord Developments Limited2020
- County & City Developments Limited2006
- Coupling London Ltd2020
- D Phypers Builders Limited2020
- Danito Group Limited2010
- Decor Bros Ltd2025
- Desa Builders Ltd2023
- Dotx Ltd2020
All building contractors in Waltham Cross · All trades in Waltham Cross · Builders across the UK
Frequently asked questions
When are Colossus Construction Ltd's accounts due?
Colossus Construction Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Colossus Construction Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Colossus Construction Ltd still trading?
Colossus Construction 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 Colossus Construction Ltd do?
Colossus Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Colossus Construction Ltd?
Colossus Construction Ltd was incorporated on 1 September 2020, 6 years ago.
What is the penalty if Colossus Construction 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 Colossus Construction 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.