- Companies
- Property developers
- Isleworth
- Hard Hat Developers Limited
Hard Hat Developers Limited
- Company number
- 12478356
- Incorporated
- 24 Feb 20206 years trading
- Registered office
- 46 Osterley Road, Isleworth, TW7 4PN
- Nature of business
- Development of building projects; Buying and selling of own real estate
Hard Hat Developers Limited is a 6-year-old private limited company registered in Isleworth, company number 12478356, one of 72 property development companies in Isleworth. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 down £871 (-20.9%) on the year before, to -£5,041.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £452K against £424K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£5,041 | £665 | £452K | £424K | 0 |
| 28 Feb 2024 | -£4,170 | £495 | £271K | £239K | 0 |
| 28 Feb 2023 | -£4,615 | £7,261 | £270K | £233K | 0 |
| 28 Feb 2022 | -£323 | £10K | £187K | £141K | 0 |
| 28 Feb 2021 | -£7 | £15K | £86K | £38K | 0 |
Where Hard Hat Developers Limited is registered
The registered office is in Isleworth (TW7), in the Hounslow local authority area, London. Show TW7 4PN on a map.
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What happens if Hard Hat Developers 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 12478356
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 February 2020 (6 years ago)
- Registered office
- 46 Osterley Road, Isleworth, TW7 4PN
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100) - Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 12 February 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Isleworth
Other active property development companies registered in Isleworth.
- Hasi Construction Ltd2011
- Imko Premier Limited2019
- Insignia Global Limited2018
- Isleworth Building Ltd2025
- J1Gsaw Ltd2018
- Kings Industry Limited2022
- L&A Contractors Ltd2022
- La Reserve Northern Limited2024
All property development companies in Isleworth · All trades in Isleworth · Property developers across the UK
Frequently asked questions
When are Hard Hat Developers Limited's accounts due?
Hard Hat Developers Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Hard Hat Developers Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Hard Hat Developers Limited still trading?
Hard Hat Developers 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 Hard Hat Developers Limited do?
Hard Hat Developers Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100).
How old is Hard Hat Developers Limited?
Hard Hat Developers Limited was incorporated on 24 February 2020, 6 years ago.
What is the penalty if Hard Hat Developers 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 Hard Hat Developers 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.