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- Subsol Projects Limited
Company profile · Civil engineering
Subsol Projects Limited
Subsol Projects Limited is a 9-year-old private limited company registered in Wembley, company number 10537045, one of 32 civil engineering contractors in Wembley. Its next accounts are due at Companies House on 26 December 2026, and the CT600 for the period to 26 March 2026 is due at HMRC on 26 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Subsol Projects Limited 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 down £84K (-45.9%) on the year before, to £99K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £253K against £163K owed within a year: 1.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £99K | £324 | £253K | £163K | 2 |
| 31 Mar 2024 | £183K | £280 | £254K | £67K | 2 |
| 31 Mar 2023 | £279K | £20K | £457K | £159K | 2 |
| 31 Mar 2022 | £191K | £71K | £367K | £150K | 2 |
| 31 Dec 2020 | £106 | £17K | £94K | £53K | 2 |
| 31 Dec 2019 | £41K | £51K | £238K | £201K | 2 |
| 31 Dec 2018 | £17K | £59K | £200K | £185K | |
| 31 Dec 2017 | £11K | £119K | £231K | £147K |
Where Subsol Projects Limited is registered
The registered office is in Wembley (HA9), in the Brent local authority area, London. Show HA9 8HP on a map.
Other trade companies in HA9
- PK Ventureworks LtdCleaning companies
- Primeglowclean LtdCleaning companies
- Kleanerklub LtdCleaning companies
- Buildon Group LtdBuilders
- Mih Motors LtdMotor traders
- Panoschi Construction LimitedBuilders
- Irawani LtdFinishing trades
- Hit Motors LtdMotor traders
What happens if Subsol Projects 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 26 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Dec 2026 to 26 Jan 2027 | £150 |
| 1 to 3 months late | 27 Jan 2027 to 26 Mar 2027 | £375 |
| 3 to 6 months late | 27 Mar 2027 to 26 Jun 2027 | £750 |
| More than 6 months late | From 27 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Mar 2027 | £200 |
| 3 months late | 26 Jun 2027 | another £200 |
| 6 months late | 26 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 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
- 10537045
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 December 2016 (9 years ago)
- Registered office
- 104 Wembley Park Drive, Wembley, HA9 8HP
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 26 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 15 April 2026
- Previous names
- Subterranean Solutions Limited (until 26 Nov 2020)
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 Wembley
Other active civil engineering contractors registered in Wembley.
- Ty Track Ltd2025
- Wobil Engineering Limited1997
- 141 Construction Ltd2016
- Advanced Drainage and Flood Prevention Ltd2026
- Arg Innovation Ltd2025
- Ats Premier Services Ltd2024
- Au Solutions Ltd2025
- Barry Duffy Ltd2025
All civil engineering contractors in Wembley · All trades in Wembley · Civil engineering across the UK
Frequently asked questions
When are Subsol Projects Limited's accounts due?
Subsol Projects Limited's next accounts are due at Companies House by 26 December 2026 (in 75 days), covering the period to 26 March 2026.
When is Subsol Projects Limited's CT600 due?
The CT600 for the period to 26 March 2026 is due at HMRC by 26 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 27 December 2026.
Is Subsol Projects Limited still trading?
Subsol Projects 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 Subsol Projects Limited do?
Subsol Projects Limited is registered under Construction of roads and motorways (SIC 42110).
How old is Subsol Projects Limited?
Subsol Projects Limited was incorporated on 22 December 2016, 9 years ago.
What is the penalty if Subsol Projects 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 Subsol Projects 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.