- Company number
- 15504019
- Incorporated
- 19 Feb 20242 years trading
- Registered office
- Devon House Church Hill, Winchmore Hill, London, N21 1LE
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
London Penthouse Operations Limited is a 2-year-old private limited company registered in London, company number 15504019, 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 £32K (+28.7%) on the year before, to £145K.
- Current assets of £819K against £676K owed within a year: 1.2 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £145K | £12K | £819K | £676K | 3 |
| 31 Mar 2025 | £113K | £748 | £439K | £323K | 2 |
Where London Penthouse Operations Limited is registered
The registered office is in London (N21), in the Enfield local authority area, London. Show N21 1LE on a map.
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Also registered at this address
6 other companies use the same registered office as London Penthouse Operations Limited.
- Dean & Griffin LimitedProperty developers
- London Penthouse (the Ferns N6) LtdProperty developers
- London Penthouse LimitedProperty developers
- LPHV Group LimitedProperty developers
- Tranquillity Lifestyle LimitedProperty developers
- Tranquillity Riverside Lifestyle LimitedProperty developers
What happens if London Penthouse Operations 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 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
- 15504019
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2024 (2 years ago)
- Registered office
- Devon House Church Hill, Winchmore Hill, London, N21 1LE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 18 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.
- London People Limited2018
- London Primecore Construction Ltd2025
- London Pro Installer Ltd2024
- London Professional Builders Ltd2025
- London Projected Ltd2025
- London Property A to Z Ltd2024
- London Property Renovations Ltd2023
- London RC Limited2014
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are London Penthouse Operations Limited's accounts due?
London Penthouse Operations Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is London Penthouse Operations Limited'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 London Penthouse Operations Limited still trading?
London Penthouse Operations 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 London Penthouse Operations Limited do?
London Penthouse Operations Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is London Penthouse Operations Limited?
London Penthouse Operations Limited was incorporated on 19 February 2024, 2 years ago.
What is the penalty if London Penthouse Operations 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 London Penthouse Operations 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.