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- Sitl Construction Ltd
Company profile · Civil engineering
Sitl Construction Ltd
Sitl Construction Ltd is a 5-year-old private limited company registered in London, company number 13045085, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Sitl Construction Ltd over the years
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 £7,758 (+22.2%) on the year before, to £43K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £56K against £14K owed within a year: 4.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £43K | £47K | £56K | £14K | 1 |
| 30 Nov 2023 | £35K | £60K | £66K | £31K | 1 |
| 30 Nov 2022 | £14K | £21K | £27K | £14K | 1 |
| 30 Nov 2021 | £6,188 | £13K | £13K | £7,071 | 1 |
Where Sitl Construction Ltd is registered
The registered office is in London (SW19), in the Merton local authority area, London. Show SW19 1DG on a map.
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Also registered at this address
7 other companies use the same registered office as Sitl Construction Ltd.
- Aaa Property Development LtdProperty developers
- Autopedia UK LimitedMotor traders
- Chand Sitara (C.S) Construction LtdProperty developers
- Morethan Roofing & Building LtdRoofers
- Roofing & Guttering Services LtdRoofers
- Skyline Roofing Solutions (SRS) LtdRoofers
- SLV UK Group LtdBuilders
What happens if Sitl Construction 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13045085
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 November 2020 (5 years ago)
- Registered office
- 10 Abbey Parade, London, SW19 1DG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other retail sale in non-specialised stores (SIC 47190) - Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 6 May 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Siyari Limited2025
- Skinner Engineering Ltd2012
- Skyline Edge Limited2024
- Sladholdings Limited2016
- Slawomir Cucura Steel Works Limited2015
- Slogistics Limited2014
- SM Civils Ltd2026
- SM Network Solutions Ltd2022
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Sitl Construction Ltd's accounts due?
Sitl Construction Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Sitl Construction Ltd'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 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sitl Construction Ltd still trading?
Sitl Construction 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 Sitl Construction Ltd do?
Sitl Construction Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other retail sale in non-specialised stores (SIC 47190).
How old is Sitl Construction Ltd?
Sitl Construction Ltd was incorporated on 26 November 2020, 5 years ago.
What is the penalty if Sitl Construction 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 Sitl Construction 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.