- Companies
- Civil engineering
- Slough
- Inland Water Engineering Limited
Inland Water Engineering Limited
- Company number
- 10311973
- Incorporated
- 4 Aug 201610 years trading
- Registered office
- 40 Plackett Way, Slough, SL1 5JT
- Nature of business
- Construction of water projects
Inland Water Engineering Limited is a 10-year-old private limited company registered in Slough, company number 10311973, one of 39 civil engineering contractors in Slough.
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 £6,075 on the year before, to -£6,180.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £37K against £36K owed within a year: 1.0 times cover.
- -3 employees on average during the year.
- Balance sheets on record for 8 years, 2017 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | -£6,180 | £37K | £36K | -3 | |
| 31 Aug 2023 | -£105 | £33K | £18K | -3 | |
| 31 Aug 2022 | -£39K | £39K | £53K | -3 | |
| 31 Aug 2021 | £33K | £21K | £13K | 3 | |
| 31 Aug 2020 | £0 | £35K | £25K | 3 | |
| 31 Aug 2019 | £5,099 | £26K | £28K | 3 | |
| 31 Aug 2018 | £9,716 | £29K | £18K | ||
| 31 Aug 2017 | £1,157 | £20K | £18K |
Where Inland Water Engineering Limited is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 5JT on a map.
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What happens if Inland Water Engineering 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 May 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2026 to 30 Jun 2026 | £150 |
| 1 to 3 months late | 1 Jul 2026 to 31 Aug 2026 | £375 |
| 3 to 6 months late | 1 Sep 2026 to 30 Nov 2026 | £750 |
| More than 6 months late | From 1 Dec 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2027 | 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
- 10311973
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 August 2016 (10 years ago)
- Registered office
- 40 Plackett Way, Slough, SL1 5JT
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 3 August 2025
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 Slough
Other active civil engineering contractors registered in Slough.
- J A G Builders Ltd2007
- J Scott Express Asphalt Limited2025
- J.L.O'Rourke (Construction) Limited1977
- Jaap Malhi Ltd2024
- Jakeesan Ltd2012
- JRL Construction Ltd2023
- Kam Consulting Limited2022
- KJB Civil Engineering Ltd2008
All civil engineering contractors in Slough · All trades in Slough · Civil engineering across the UK
Frequently asked questions
When are Inland Water Engineering Limited's accounts due?
The register showed Inland Water Engineering Limited's accounts as due on 31 May 2026. That date has passed; the Companies House register shows whether they have been filed since.
When is Inland Water Engineering Limited's CT600 due?
The CT600 for the period to 31 August 2025 is due at HMRC by 31 August 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2026.
Is Inland Water Engineering Limited still trading?
Inland Water Engineering 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 Inland Water Engineering Limited do?
Inland Water Engineering Limited is registered under Construction of water projects (SIC 42910).
How old is Inland Water Engineering Limited?
Inland Water Engineering Limited was incorporated on 4 August 2016, 10 years ago.
What is the penalty if Inland Water Engineering 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 Inland Water Engineering 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.