- Company number
- 14528718
- Incorporated
- 7 Dec 20223 years trading
- Registered office
- 37 Kingsley Avenue, Dartford, DA1 5DH
- Nature of business
- Construction of domestic buildings
Thor Builders Ltd is a 3-year-old private limited company registered in Dartford, company number 14528718, one of 256 building contractors in Dartford. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £956 (+15.5%) on the year before, to £7,141.
- Current assets of £22K against £19K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £7,141 | £22K | £22K | £19K | 1 |
| 31 Dec 2024 | £6,185 | £11K | £11K | £8,388 | 1 |
| 31 Dec 2023 | £2,172 | £8,190 | £8,239 | £10K | 1 |
Where Thor Builders Ltd is registered
The registered office is in Dartford (DA1), in the Dartford local authority area, South East. Show DA1 5DH on a map.
Other trade companies in DA1
- Unit 6 Bespoke LtdSpecialist contractors
- Smartlifting LtdBuilders
- Degrees Bespoke Finishes LtdPlasterers
- A & A Electrical and Refrigeration LtdBuilders
- Elm Servicing LtdMachinery repair and installation
- WND Refrigeration LimitedPlumbers and heating engineers
- Moore Flooring and Sons LtdFloor and wall tilers
- Kinergy Systems LtdElectricians
What happens if Thor Builders 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 14528718
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 December 2022 (3 years ago)
- Registered office
- 37 Kingsley Avenue, Dartford, DA1 5DH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 14 January 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 Dartford
Other active building contractors registered in Dartford.
- Til&M Limited2018
- Tomblyboo Developments Ltd2020
- Top Construction & Refurbishment Services Ltd2023
- TP Cladding Ltd2025
- True Design and Consulting Ltd2015
- TS Unibuild Ltd2025
- UK Building Interior Ltd2019
- Unic Group Ltd2020
All building contractors in Dartford · All trades in Dartford · Builders across the UK
Frequently asked questions
When are Thor Builders Ltd's accounts due?
Thor Builders Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Thor Builders Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Thor Builders Ltd still trading?
Thor Builders 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 Thor Builders Ltd do?
Thor Builders Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Thor Builders Ltd?
Thor Builders Ltd was incorporated on 7 December 2022, 3 years ago.
What is the penalty if Thor Builders 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 Thor Builders 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.