- Companies
- Property developers
- Bristol
- Blackbox Building Services Ltd
Blackbox Building Services Ltd
- Company number
- 16760718
- Incorporated
- 3 Oct 20251 year trading
- Registered office
- 18 Highett Drive, Bristol, BS5 0UP
- Nature of business
- Development of building projects; Other building completion and finishing; Residents property management
Blackbox Building Services Ltd is a 1-year-old private limited company registered in Bristol, company number 16760718, one of 996 property development companies in Bristol. Its next accounts are due at Companies House on 3 July 2027, and its first CT600 is due at HMRC on 2 October 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Blackbox Building Services Ltd is registered
The registered office is in Bristol (BS5), in the Bristol, City of local authority area, South West. Show BS5 0UP on a map.
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What happens if Blackbox 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 3 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Jul 2027 to 3 Aug 2027 | £150 |
| 1 to 3 months late | 4 Aug 2027 to 3 Oct 2027 | £375 |
| 3 to 6 months late | 4 Oct 2027 to 3 Jan 2028 | £750 |
| More than 6 months late | From 4 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16760718
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2025 (1 year ago)
- Registered office
- 18 Highett Drive, Bristol, BS5 0UP
- Nature of business
- Development of building projects (SIC 41100)
Other building completion and finishing (SIC 43390)
Residents property management (SIC 98000) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Bristol
Other active property development companies registered in Bristol.
- Blackhorse Construction Limited2000
- Blagford Developments Ltd2016
- Blakes Construction (SW) Limited2025
- BLTB Developments Limited2020
- Blue Platinum Group Ltd2015
- Blue Sky Builders Bristol Limited2015
- Bluebird Property Investment Ltd2021
- Blueprint Building Maintenance & Landscaping Ltd2014
All property development companies in Bristol · All trades in Bristol · Property developers across the UK
Frequently asked questions
When are Blackbox Building Services Ltd's accounts due?
Blackbox Building Services Ltd's next accounts are due at Companies House by 3 July 2027 (in 263 days), covering the period to 31 October 2026.
When is Blackbox Building Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 2 October 2026, due by 2 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Blackbox Building Services Ltd still trading?
Blackbox 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 Blackbox Building Services Ltd do?
Blackbox Building Services Ltd is registered under Development of building projects (SIC 41100); Other building completion and finishing (SIC 43390); Residents property management (SIC 98000).
How old is Blackbox Building Services Ltd?
Blackbox Building Services Ltd was incorporated on 3 October 2025, 1 year ago.
What is the penalty if Blackbox 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 Blackbox 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.