- Companies
- Builders
- Carmarthen
- TDM Building Services Ltd.
TDM Building Services Ltd.
- Company number
- 13320131
- Incorporated
- 8 Apr 20215 years trading
- Registered office
- Llainfawr, Trelech, Carmarthen, SA33 6RJ
- Nature of business
- Construction of domestic buildings
TDM Building Services Ltd. is a 5-year-old private limited company registered in Carmarthen, company number 13320131, one of 50 building contractors in Carmarthen. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for TDM Building Services Ltd.Or get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 up £281K (+201.2%) on the year before, to £141K.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- 3 employees on average, down from 5 the year before.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £141K | £141K | £0 | 3 | |
| 30 Apr 2025 | -£140K | £96K | £236K | 5 | |
| 30 Apr 2024 | £0 | £0 | £0 | 4 | |
| 30 Apr 2023 | £0 | £0 | £0 | 5 | |
| 30 Apr 2022 | £54K | £317K | 3 |
Where TDM Building Services Ltd. is registered
The registered office is in Carmarthen (SA33), in the Carmarthenshire local authority area, Wales. Show SA33 6RJ on a map.
Other trade companies in SA33
- Ajm Energy Solutions LtdElectricians
- RSJS Renovations LtdBuilders
- Blanchart Interiors LtdFinishing trades
- Cathedral City Cleaning LtdCleaning companies
- Zavaschi LimitedCivil engineering
- P & K Kitchens LimitedFinishing trades
- MDJ Carpentry LimitedJoiners and carpenters
- Preston Plumbing Heating LtdPlumbers and heating engineers
What happens if TDM Building 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 31 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 13320131
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 April 2021 (5 years ago)
- Registered office
- Llainfawr, Trelech, Carmarthen, SA33 6RJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 27 March 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Carmarthen
Other active building contractors registered in Carmarthen.
- The House Surgeons Limited2025
- Thomas Development Group Ltd2023
- Thomas Groundwork’S Limited2020
- Tomasz Szymacha Ltd2017
- Uplands Developments Wales Limited2017
- W&E Developments Ltd2016
- Wildman Associates Limited2014
- Wrightway Building Construction Limited2017
All building contractors in Carmarthen · All trades in Carmarthen · Builders across the UK
Frequently asked questions
When are TDM Building Services Ltd.'s accounts due?
TDM Building Services Ltd.'s next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is TDM Building Services Ltd.'s CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is TDM Building Services Ltd. still trading?
TDM Building 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 TDM Building Services Ltd. do?
TDM Building Services Ltd. is registered under Construction of domestic buildings (SIC 41202).
How old is TDM Building Services Ltd.?
TDM Building Services Ltd. was incorporated on 8 April 2021, 5 years ago.
What is the penalty if TDM Building 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 TDM Building 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.