- Company number
- 14971974
- Incorporated
- 30 Jun 20233 years trading
- Registered office
- 18 Blackthorn Close, Baughurst, Tadley, RG26 5GW
- Nature of business
- Construction of domestic buildings
Blackthorn Design & Build Ltd is a 3-year-old private limited company registered in Tadley, company number 14971974, one of 17 building contractors in Tadley. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £6,166 (-12.4%) on the year before, to £43K.
- Current assets of £44K against £17K owed within a year: 2.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £43K | £44K | £17K | 1 | |
| 30 Jun 2024 | £50K | £41K | £11K | 1 |
Who runs and owns Blackthorn Design & Build Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** M*** | Director | Jun 2023 |
Person with significant control
Where Blackthorn Design & Build Ltd is registered
The registered office is in Tadley (RG26), in the Basingstoke and Deane local authority area, South East. Show RG26 5GW on a map.
Other trade companies in RG26
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- Hickman Cleaning Services LtdCleaning companies
- K L Building Project LimitedBuilders
- LG Cornerstone Property Care LtdSpecialist contractors
- Primeedge Home Care LtdCleaning companies
- Michael Dales Roofing LtdRoofers
What happens if Blackthorn Design & Build 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14971974
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 2023 (3 years ago)
- Registered office
- 18 Blackthorn Close, Baughurst, Tadley, RG26 5GW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 29 June 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 Tadley
Other active building contractors registered in Tadley.
- Blue Cube Property Ltd2023
- Blue Sword Construction Ltd1996
- C Best Groundworks Ltd2018
- Chappell Building Services Limited2003
- Ecosmart Windows Limited2024
- K L Building Project Limited2026
- Kingfishers Construction Ltd2017
- Loader Construction Ltd2023
All building contractors in Tadley · All trades in Tadley · Builders across the UK
Frequently asked questions
When are Blackthorn Design & Build Ltd's accounts due?
Blackthorn Design & Build Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Blackthorn Design & Build Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Blackthorn Design & Build Ltd still trading?
Blackthorn Design & Build 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 Blackthorn Design & Build Ltd do?
Blackthorn Design & Build Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Blackthorn Design & Build Ltd?
Blackthorn Design & Build Ltd was incorporated on 30 June 2023, 3 years ago.
Who runs Blackthorn Design & Build Ltd?
Blackthorn Design & Build Ltd has 1 active director, the longest-serving appointed in Jun 2023. Their names and service addresses are on the Companies House register.
Who owns Blackthorn Design & Build Ltd?
One person or company has significant control of Blackthorn Design & Build Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Blackthorn Design & Build 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 Blackthorn Design & Build 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.