- Companies
- Plumbers and heating engineers
- Ruislip
- TDC Commercial Plumbing & Heating Ltd
TDC Commercial Plumbing & Heating Ltd
- Company number
- 15550670
- Incorporated
- 9 Mar 20242 years trading
- Registered office
- 161 High Street, Ruislip, Middlesex, HA4 8JY
- Nature of business
- Plumbing, heat and air-conditioning installation
TDC Commercial Plumbing & Heating Ltd is a 2-year-old private limited company registered in Ruislip, company number 15550670, one of 61 plumbing and heating companies in Ruislip. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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.
Where TDC Commercial Plumbing & Heating Ltd is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 8JY on a map.
Other trade companies in HA4
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
Also registered at this address
2 other companies use the same registered office as TDC Commercial Plumbing & Heating Ltd.
- Priority Clean LtdCleaning companies
- Surrey Roof Masters LtdRoofers
What happens if TDC Commercial Plumbing & Heating 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 15550670
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2024 (2 years ago)
- Registered office
- 161 High Street, Ruislip, Middlesex, HA4 8JY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 March 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Ruislip
Other active plumbing and heating companies registered in Ruislip.
- TDC Plumbing and Heating Ltd2020
- Thomas Heating and Air Conditioning Ltd Ltd2022
- Tower Mechanical Services Ltd2008
- TV Plumbing and Mechanical Services Limited1999
- Utp Plumbing & Heating Limited2024
- WJF Gas Services Ltd2012
- Y & Son Plumbing Ltd2019
- Ace PHG Ltd2021
All plumbing and heating companies in Ruislip · All trades in Ruislip · Plumbers and heating engineers across the UK
Frequently asked questions
When are TDC Commercial Plumbing & Heating Ltd's accounts due?
TDC Commercial Plumbing & Heating Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is TDC Commercial Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is TDC Commercial Plumbing & Heating Ltd still trading?
TDC Commercial Plumbing & Heating 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 TDC Commercial Plumbing & Heating Ltd do?
TDC Commercial Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is TDC Commercial Plumbing & Heating Ltd?
TDC Commercial Plumbing & Heating Ltd was incorporated on 9 March 2024, 2 years ago.
What is the penalty if TDC Commercial Plumbing & Heating 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 TDC Commercial Plumbing & Heating 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.