- Companies
- Specialist contractors
- St Helens
- PDC Mechanical Services Limited
PDC Mechanical Services Limited
- Company number
- 10064678
- Incorporated
- 15 Mar 201610 years trading
- Registered office
- 26 Eccleston Gardens, St Helens, WA10 3BL
- Nature of business
- Other specialised construction activities n.e.c.
PDC Mechanical Services Limited is a 10-year-old private limited company registered in St Helens, company number 10064678, one of 38 specialist construction companies in St Helens. Its next accounts are due at Companies House on 29 December 2026, and the CT600 for the period to 29 March 2026 is due at HMRC on 29 March 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 £439 (-6.6%) on the year before, to £6,163.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | £6,163 | £7,836 | £5,411 | 1 | |
| 31 Mar 2024 | £6,602 | £7,316 | £7,316 | £3,299 | 1 |
| 31 Mar 2023 | £4,711 | £9,182 | £14K | £12K | 1 |
| 31 Mar 2022 | -£729 | £367 | £6,804 | £12K | 1 |
| 31 Mar 2021 | £8,952 | £2,888 | £7,413 | £4,587 | 1 |
| 31 Mar 2020 | £4,142 | £6,190 | £8,190 | £12K | 1 |
| 31 Mar 2019 | £30 | £1,837 | £13K | ||
| 31 Mar 2018 | £3,424 | £12K | £23K | 1 | |
| 31 Mar 2017 | £37 | £13K | £14K | 1 |
Where PDC Mechanical Services Limited is registered
The registered office is in St Helens (WA10), in the St. Helens local authority area, North West. Show WA10 3BL on a map.
Other trade companies in WA10
- BNB Trade LimitedMotor traders
- Hatton’S Utilities LtdCivil engineering
- Ste Leatherbarrow Building and Roofing LtdBuilders
- Maqur Services LtdBuilders
- Speakman Chilled-Worx LtdMachinery repair and installation
- JM Technical LtdMachinery repair and installation
- P.W.Fencing LtdProperty developers
- Subsea Cable Solutions LimitedInstallers
What happens if PDC Mechanical 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 29 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2026 to 29 Jan 2027 | £150 |
| 1 to 3 months late | 30 Jan 2027 to 29 Mar 2027 | £375 |
| 3 to 6 months late | 30 Mar 2027 to 29 Jun 2027 | £750 |
| More than 6 months late | From 30 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2027 | £200 |
| 3 months late | 29 Jun 2027 | another £200 |
| 6 months late | 29 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 10064678
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2016 (10 years ago)
- Registered office
- 26 Eccleston Gardens, St Helens, WA10 3BL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 29 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 March 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in St Helens
Other active specialist construction companies registered in St Helens.
- PFP Inspections Limited2024
- Prescotts (Architectural Ironmongers) Limited2000
- Pulford Solutions Ltd2019
- Quantum Facilities Limited2021
- Santawne Limited1976
- Sterling Partitions ST Helens Ltd2014
- Tslifting Ltd2026
- Vertical Lift Services North West Ltd2019
All specialist construction companies in St Helens · All trades in St Helens · Specialist contractors across the UK
Frequently asked questions
When are PDC Mechanical Services Limited's accounts due?
PDC Mechanical Services Limited's next accounts are due at Companies House by 29 December 2026 (in 78 days), covering the period to 29 March 2026.
When is PDC Mechanical Services Limited's CT600 due?
The CT600 for the period to 29 March 2026 is due at HMRC by 29 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2026.
Is PDC Mechanical Services Limited still trading?
PDC Mechanical 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 PDC Mechanical Services Limited do?
PDC Mechanical Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is PDC Mechanical Services Limited?
PDC Mechanical Services Limited was incorporated on 15 March 2016, 10 years ago.
What is the penalty if PDC Mechanical 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 PDC Mechanical 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.