- Companies
- Groundworks and demolition
- Swansea
- Blue Rock Demolition Ltd
Blue Rock Demolition Ltd
- Company number
- 12071108
- Incorporated
- 26 Jun 20197 years trading
- Registered office
- Unit 3, 270 Cockett Road, Cockett, Swansea, SA2 0FN
- Nature of business
- Demolition
Blue Rock Demolition Ltd is a 7-year-old private limited company registered in Swansea, company number 12071108, one of 15 groundworks and demolition companies in Swansea. Its next accounts are due at Companies House on 28 March 2027, and the CT600 for the period to 28 June 2026 is due at HMRC on 28 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 up £147K (+63.2%) on the year before, to £378K.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £518K against £389K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £378K | £1,095 | £518K | £389K | 0 |
| 30 Jun 2024 | £232K | £161 | £532K | £456K | 8 |
| 30 Jun 2023 | £120K | £161 | £353K | £370K | 6 |
| 30 Jun 2022 | £47K | £52K | £496K | £481K | 4 |
| 30 Jun 2021 | £14K | £19K | £162K | £144K | 1 |
| 30 Jun 2020 | £7,968 | £34K | £81K | £78K | 1 |
Where Blue Rock Demolition Ltd is registered
The registered office is in Swansea (SA2), in the Swansea local authority area, Wales. Show SA2 0FN on a map.
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- Smart Space Living LtdJoiners and carpenters
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- L.H Hiab & Recovery LimitedMechanics and garages
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What happens if Blue Rock Demolition 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 28 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Mar 2027 to 28 Apr 2027 | £150 |
| 1 to 3 months late | 29 Apr 2027 to 28 Jun 2027 | £375 |
| 3 to 6 months late | 29 Jun 2027 to 28 Sep 2027 | £750 |
| More than 6 months late | From 29 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Jun 2027 | £200 |
| 3 months late | 28 Sep 2027 | another £200 |
| 6 months late | 28 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 12071108
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2019 (7 years ago)
- Registered office
- Unit 3, 270 Cockett Road, Cockett, Swansea, SA2 0FN
- Nature of business
- Demolition (SIC 43110)
- Year end
- 28 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 30 June 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Swansea
Other active groundworks and demolition companies registered in Swansea.
- D G Carvell Groundworks Ltd2012
- Databid Limited1992
- Gareth Rees Plant Hire Limited1999
- L G Murphy Ltd2000
- L.G. Murphy (Swansea) Limited1972
- M Tyler Ltd2024
- Maerdy Plant Limited2005
- Oaktree Construction (Wales) Limited2008
All groundworks and demolition companies in Swansea · All trades in Swansea · Groundworks and demolition across the UK
Frequently asked questions
When are Blue Rock Demolition Ltd's accounts due?
Blue Rock Demolition Ltd's next accounts are due at Companies House by 28 March 2027 (in 166 days), covering the period to 28 June 2026.
When is Blue Rock Demolition Ltd's CT600 due?
The CT600 for the period to 28 June 2026 is due at HMRC by 28 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 March 2027.
Is Blue Rock Demolition Ltd still trading?
Blue Rock Demolition 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 Blue Rock Demolition Ltd do?
Blue Rock Demolition Ltd is registered under Demolition (SIC 43110).
How old is Blue Rock Demolition Ltd?
Blue Rock Demolition Ltd was incorporated on 26 June 2019, 7 years ago.
What is the penalty if Blue Rock Demolition 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 Blue Rock Demolition 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.