- Companies
- Property developers
- London
- One Seventy Nine Limited
One Seventy Nine Limited
- Company number
- 12027256
- Incorporated
- 31 May 20197 years trading
- Registered office
- Hallswelle House, 1 Hallswelle Road, London, NW11 0DH
- Nature of business
- Development of building projects
One Seventy Nine Limited is a 7-year-old private limited company registered in London, company number 12027256, one of 14,100 property development companies in London. Companies House shows its accounts as overdue: they were due on 31 August 2025.
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 £376K (-30.5%) on the year before, to -£1.6M.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- Current assets of £45K against £384K owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2020 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 May 2023 | -£1.6M | £2,006 | £45K | £384K | 0 |
| 30 May 2022 | -£1.2M | £1,954 | £19K | £28K | 0 |
| 31 May 2021 | -£685K | £1,955 | £28K | £177K | |
| 30 May 2021 | -£685K | £1,955 | £28K | £177K | 0 |
| 30 May 2020 | -£348K | £1,954 | £24K | £106K | 0 |
Where One Seventy Nine Limited is registered
The registered office is in London (NW11), in the Barnet local authority area, London. Show NW11 0DH on a map.
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Also registered at this address
19 other companies use the same registered office as One Seventy Nine Limited.
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What happens if One Seventy Nine Limited files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2025 to 30 Sep 2025 | £150 |
| 1 to 3 months late | 1 Oct 2025 to 30 Nov 2025 | £375 |
| 3 to 6 months late | 1 Dec 2025 to 28 Feb 2026 | £750 |
| More than 6 months late | From 1 Mar 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2025 | £200 |
| 3 months late | 28 Feb 2026 | another £200 |
| 6 months late | 30 May 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2026 | 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
- 12027256
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 May 2019 (7 years ago)
- Registered office
- Hallswelle House, 1 Hallswelle Road, London, NW11 0DH
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 May 2023
- Last confirmation statement
- 24 October 2025
- Charges (mortgages)
- 2 outstanding of 6 registered
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 London
Other active property development companies registered in London.
- One Shakespeare Ltd2021
- One Stop Building Merchants Ltd2014
- One United Limited2021
- One Vision Investment Group Ltd2024
- One Will (Holborn) Limited2023
- One Will Limited2012
- One World Integrated Services Ltd2023
- One2U Services Ltd2026
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Frequently asked questions
When are One Seventy Nine Limited's accounts due?
One Seventy Nine Limited's accounts were due at Companies House on 31 August 2025 and the register shows them as overdue.
When is One Seventy Nine Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 30 May 2024, due by 30 May 2025, and one for the period to 30 November 2024, due by 30 November 2025. Corporation tax is payable 9 months and 1 day after the end of each.
Is One Seventy Nine Limited still trading?
One Seventy Nine Limited is listed as active on the Companies House register (checked 13 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 One Seventy Nine Limited do?
One Seventy Nine Limited is registered under Development of building projects (SIC 41100).
How old is One Seventy Nine Limited?
One Seventy Nine Limited was incorporated on 31 May 2019, 7 years ago.
What is the penalty if One Seventy Nine 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 One Seventy Nine Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.