- Company number
- 07526856
- Incorporated
- 11 Feb 201115 years trading
- Registered office
- 5TH Floor, 36-38 Wigmore Street, London, W1U 2BP
- Nature of business
- Construction of domestic buildings
Helix Developments Ltd is a 15-year-old private limited company registered in London, company number 07526856, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £41K (+51.9%) on the year before, to £120K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £137K against £24K owed within a year: 5.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £120K | £99K | £137K | £24K | 1 |
| 31 Mar 2025 | £79K | £48K | £85K | £14K | 1 |
| 31 Mar 2024 | £53K | £32K | £35K | £33K | 1 |
| 31 Mar 2023 | £40K | £23K | £23K | £33K | 1 |
| 31 Mar 2022 | £32K | £25K | £26K | £44K | 1 |
| 31 Mar 2021 | £16K | £9,089 | £18K | £1,995 | 0 |
| 31 Mar 2020 | £13K | £17K | £17K | £4,861 | 1 |
| 31 Mar 2019 | £3,212 | £5,509 | £5,790 | £2,808 | |
| 31 Mar 2018 | -£328 | £3,612 | £3,893 | £4,528 | |
| 31 Mar 2017 | £13K | £18K | £23K | £10K |
Where Helix Developments Ltd is registered
The registered office is in London (W1U), in the Westminster local authority area, London. Show W1U 2BP on a map.
Other trade companies in W1U
- Gpewi Docks LimitedProperty developers
- 113 Noel Road LimitedProperty developers
- Valtaro Property Services LtdFinishing trades
- Hunton House Development LimitedProperty developers
- MW Developments No1 LimitedProperty developers
- Central Property Maintenance and Management Services LtdBuilders
- Welbeck Developments LimitedBuilders
- Eco Construction Group LtdProperty developers
Also registered at this address
7 other companies use the same registered office as Helix Developments Ltd.
- Arrandene Developments LimitedProperty developers
- Floabsell LtdProperty developers
- Maminv LimitedProperty developers
- Marvel Ecobuild LtdBuilders
- Rsrproperties LtdProperty developers
- The Old Racing Car Company LimitedMotor traders
- Wmunro.Sclarke LimitedProperty developers
What happens if Helix Developments 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 07526856
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2011 (15 years ago)
- Registered office
- 5TH Floor, 36-38 Wigmore Street, London, W1U 2BP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 11 February 2026
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 London
Other active building contractors registered in London.
- Hellelujah Look Two Ltd2026
- Help Construction Ltd2026
- Helpforce Homes Limited2021
- Helpyr Ltd2026
- Hemroc Construction Ltd2026
- Henandez Management Limited2024
- Hendon Goods Yard Village Ltd2021
- Heniek Ltd2025
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Helix Developments Ltd's accounts due?
Helix Developments Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Helix Developments Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Helix Developments Ltd still trading?
Helix Developments 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 Helix Developments Ltd do?
Helix Developments Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Helix Developments Ltd?
Helix Developments Ltd was incorporated on 11 February 2011, 15 years ago.
What is the penalty if Helix Developments 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 Helix Developments 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.