- Companies
- Civil engineering
- Northampton
- Walsh Civil Engineering Services Ltd
Walsh Civil Engineering Services Ltd
- Company number
- 15121872
- Incorporated
- 7 Sep 20233 years trading
- Registered office
- 50 Byron Street, Northampton, Northamptonshire, NN2 7JD
- Nature of business
- Construction of roads and motorways; Construction of railways and underground railways; Construction of bridges and tunnels; Construction of other civil engineering projects n.e.c.
Walsh Civil Engineering Services Ltd is a 3-year-old private limited company registered in Northampton, company number 15121872, one of 152 civil engineering contractors in Northampton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £1,713 (-98.7%) on the year before, to £22.
- Current assets of £13K against £11K owed within a year: 1.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £22 | £13K | £11K | 1 | |
| 30 Sep 2024 | £1,735 | £35K | £26K | 1 |
Where Walsh Civil Engineering Services Ltd is registered
The registered office is in Northampton (NN2), in the West Northamptonshire local authority area, East Midlands. Show NN2 7JD on a map.
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What happens if Walsh Civil 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15121872
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 2023 (3 years ago)
- Registered office
- 50 Byron Street, Northampton, Northamptonshire, NN2 7JD
- Nature of business
- Construction of roads and motorways (SIC 42110)
Construction of railways and underground railways (SIC 42120)
Construction of bridges and tunnels (SIC 42130)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 6 September 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 Northampton
Other active civil engineering contractors registered in Northampton.
- Wilson Utilities Ltd2020
- A & L Paving Limited2005
- A &L Paving 2009 Limited2009
- A M Water Services Limited2016
- A P M Construction Limited2015
- A Prendi Construction Ltd2020
- A T (Northampton) Limited2025
- A&E Construction Ltd2020
All civil engineering contractors in Northampton · All trades in Northampton · Civil engineering across the UK
Frequently asked questions
When are Walsh Civil Engineering Services Ltd's accounts due?
Walsh Civil Engineering Services Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Walsh Civil Engineering Services Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Walsh Civil Engineering Services Ltd still trading?
Walsh Civil 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 Walsh Civil Engineering Services Ltd do?
Walsh Civil Engineering Services Ltd is registered under Construction of roads and motorways (SIC 42110); Construction of railways and underground railways (SIC 42120); Construction of bridges and tunnels (SIC 42130); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Walsh Civil Engineering Services Ltd?
Walsh Civil Engineering Services Ltd was incorporated on 7 September 2023, 3 years ago.
What is the penalty if Walsh Civil 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 Walsh Civil 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.