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- CDP Engineering Services Limited
Company profile · Civil engineering
CDP Engineering Services Limited
CDP Engineering Services Limited is a 10-year-old private limited company registered in Watford, company number 10148163, one of 77 civil engineering contractors in Watford. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 30 April 2025, as filed at Companies House.
CDP Engineering Services 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 up £3,031 (+46.7%) on the year before, to £9,523.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £12K against £2,658 owed within a year: 4.6 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £9,523 | £100 | £12K | £2,658 | 1 |
| 30 Apr 2024 | £6,492 | £1,707 | £9,413 | £840 | 2 |
| 30 Apr 2023 | £2,815 | £100 | £9,105 | £3,307 | 2 |
| 30 Apr 2022 | £1,908 | £100 | £9,073 | £3,197 | 2 |
| 30 Apr 2021 | £1,943 | £100 | £11K | £3,938 | 2 |
| 30 Apr 2020 | £2,961 | £0 | £3,907 | £946 | 1 |
| 30 Apr 2019 | £3,812 | £3,097 | £6,951 | £3,303 | |
| 30 Apr 2018 | £695 | £0 | £5,636 | £5,265 | |
| 30 Apr 2017 | £156 | £100 | £7,916 | £8,244 |
Where CDP Engineering Services Limited is registered
The registered office is in Watford (WD17), in the Watford local authority area, East of England. Show WD17 2PZ on a map.
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What happens if CDP Engineering Services 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 10148163
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 April 2016 (10 years ago)
- Registered office
- 86 Estcourt Road, Watford, WD17 2PZ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 25 April 2026
- Previous names
- CDP Sevices Limited (until 9 Dec 2016)
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 Watford
Other active civil engineering contractors registered in Watford.
- CF Civil Engineering Limited2016
- Clarke's Engineering Ltd2023
- Construction and Development Services Limited2026
- Construction Management and Costings Limited2026
- Consult 2000 Consulting Limited2012
- Cooper Associates Structural Engineers Limited2010
- Coral Constructors Ltd1992
- CPS Network Communications Ltd2014
All civil engineering contractors in Watford · All trades in Watford · Civil engineering across the UK
Frequently asked questions
When are CDP Engineering Services Limited's accounts due?
CDP Engineering Services Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is CDP Engineering Services Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is CDP Engineering Services Limited still trading?
CDP Engineering Services 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 CDP Engineering Services Limited do?
CDP Engineering Services Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is CDP Engineering Services Limited?
CDP Engineering Services Limited was incorporated on 26 April 2016, 10 years ago.
What is the penalty if CDP Engineering Services 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 CDP Engineering Services 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.