- Companies
- Specialist contractors
- London
- Fifteenfifteen Ltd
Fifteenfifteen Ltd
- Company number
- 09541873
- Incorporated
- 14 Apr 201511 years trading
- Registered office
- Natalia O'Neill, 14 Fleeming Close, London, E17 5BB
- Nature of business
- Other specialised construction activities n.e.c.
Fifteenfifteen Ltd is a 11-year-old private limited company registered in London, company number 09541873, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 17 February 2027, and the CT600 for the period to 17 May 2026 is due at HMRC on 17 May 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 £1,706 (+9.1%) on the year before, to £21K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £5,069 against £9,635 owed within a year: 0.5 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 17 May 2025 | £21K | £5,069 | £9,635 | 1 | |
| 17 May 2024 | £19K | £5,069 | £7,161 | 1 | |
| 17 May 2023 | £16K | £5,088 | £1,801 | 1 | |
| 17 May 2022 | £13K | £9,479 | £1,454 | 1 | |
| 16 May 2021 | £9,982 | £14K | £950 | 1 | |
| 17 May 2020 | £5,057 | £7,231 | 1 | ||
| 17 May 2019 | £8,330 | £7,185 | £0 | 1 | |
| 17 May 2018 | £9,480 | £7,535 | £0 | ||
| 17 May 2017 | £5,491 | £25K | £11K | ||
| 30 Apr 2016 | £1,362 | £1,828 | £9,033 | £1,632 |
Who runs and owns Fifteenfifteen Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| N*** O*** | Director | Apr 2015 |
Person with significant control
Where Fifteenfifteen Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 5BB on a map.
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What happens if Fifteenfifteen 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 17 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Feb 2027 to 17 Mar 2027 | £150 |
| 1 to 3 months late | 18 Mar 2027 to 17 May 2027 | £375 |
| 3 to 6 months late | 18 May 2027 to 17 Aug 2027 | £750 |
| More than 6 months late | From 18 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 18 May 2027 | £200 |
| 3 months late | 17 Aug 2027 | another £200 |
| 6 months late | 17 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 17 May 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
- 09541873
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 April 2015 (11 years ago)
- Registered office
- Natalia O'Neill, 14 Fleeming Close, London, E17 5BB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 17 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 17 May 2025
- Last confirmation statement
- 8 April 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Filaoye Ltd2024
- Filbuild Ltd2017
- Filmon2000 Ltd2022
- Findex CZ Ltd.2012
- Fineshade Stone Limited2023
- Finesse Carpentry and Maintenance Ltd2024
- Finestpeter Ltd2026
- Finfilm Services Ltd2023
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Fifteenfifteen Ltd's accounts due?
Fifteenfifteen Ltd's next accounts are due at Companies House by 17 February 2027 (in 127 days), covering the period to 17 May 2026.
When is Fifteenfifteen Ltd's CT600 due?
The CT600 for the period to 17 May 2026 is due at HMRC by 17 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 18 February 2027.
Is Fifteenfifteen Ltd still trading?
Fifteenfifteen 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 Fifteenfifteen Ltd do?
Fifteenfifteen Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Fifteenfifteen Ltd?
Fifteenfifteen Ltd was incorporated on 14 April 2015, 11 years ago.
Who runs Fifteenfifteen Ltd?
Fifteenfifteen Ltd has 1 active director, the longest-serving appointed in Apr 2015. Their names and service addresses are on the Companies House register.
Who owns Fifteenfifteen Ltd?
One person or company has significant control of Fifteenfifteen Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Fifteenfifteen 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 Fifteenfifteen 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.