- Company number
- 13252394
- Incorporated
- 8 Mar 20215 years trading
- Registered office
- 31 Evelina Road, Nunhead, London, SE15 2DX
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Construction of roads and motorways; Construction of other civil engineering projects n.e.c.
London Site Engineering Services Ltd is a 5-year-old private limited company registered in London, company number 13252394, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £14K (-71.7%) on the year before, to £5,676.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £11K against £9,478 owed within a year: 1.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £5,676 | £202 | £11K | £9,478 | 2 |
| 31 Mar 2024 | £20K | £22K | £7,825 | 2 | |
| 31 Mar 2023 | £2,632 | £447 | £8,064 | £5,432 | 1 |
| 31 Mar 2022 | £1 |
Where London Site Engineering Services Ltd is registered
The registered office is in London (SE15), in the Southwark local authority area, London. Show SE15 2DX on a map.
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What happens if London Site Engineering Services 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13252394
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2021 (5 years ago)
- Registered office
- 31 Evelina Road, Nunhead, London, SE15 2DX
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Construction of roads and motorways (SIC 42110)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 January 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.
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Other active building contractors registered in London.
- London Sky Construction Limited2024
- London Speedy Removals Ltd2025
- London T&M Design Ltd2024
- London Timber Frame Limited2014
- London Top Construction Ltd2022
- London Town Cabins Limited2018
- London Tradesmen Services Ltd2026
- London Vip Services Group Ltd2023
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Frequently asked questions
When are London Site Engineering Services Ltd's accounts due?
London Site Engineering Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is London Site Engineering Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is London Site Engineering Services Ltd still trading?
London Site Engineering Services 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 London Site Engineering Services Ltd do?
London Site Engineering Services Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Construction of roads and motorways (SIC 42110); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is London Site Engineering Services Ltd?
London Site Engineering Services Ltd was incorporated on 8 March 2021, 5 years ago.
What is the penalty if London Site Engineering Services 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 London Site Engineering Services 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.