- Companies
- Installers
- Neath
- Blackwell Enginering Limited
Blackwell Enginering Limited
- Company number
- 12092729
- Incorporated
- 9 Jul 20197 years trading
- Registered office
- 39 Heats of Oak Cottages, Maesteg, Neath, CF34 0TU
- Nature of business
- Other construction installation
Blackwell Enginering Limited is a 7-year-old private limited company registered in Neath, company number 12092729, one of 18 installation companies (insulation, lifts, shutters and similar) in Neath. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 2028.
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 £1,455 (-15.6%) on the year before, to £7,844.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £9,262 against £1,418 owed within a year: 6.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | £7,844 | £227 | £9,262 | £1,418 | 1 |
| 31 Jul 2025 | £9,299 | £3,281 | £13K | £3,417 | 1 |
| 31 Jul 2024 | £9,002 | £1,917 | £16K | £7,233 | 1 |
| 31 Jul 2023 | £11K | £705 | £16K | £5,064 | 1 |
| 31 Jul 2022 | £1 | £1 | |||
| 31 Jul 2021 | £16K | £25K | £7,958 | 1 | |
| 31 Jul 2020 | £1,039 | £3,393 | £1,604 | 1 |
Where Blackwell Enginering Limited is registered
The registered office is in Neath (CF34), in the Bridgend local authority area, Wales. Show CF34 0TU on a map.
Other trade companies in CF34
- Ajp Landscape Gardens LtdLandscapers and gardeners
- Adfer Construct LtdBuilders
- Mizen Electrical LtdElectricians
- Voltedge Engineering LtdElectricians
- McCormick Tiling LtdFloor and wall tilers
- Paddys Tiling LtdFloor and wall tilers
- Koj Building Contractors LtdBuilders
- RT Brickwork Services LtdBuilders
What happens if Blackwell Enginering Limited 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 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12092729
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2019 (7 years ago)
- Registered office
- 39 Heats of Oak Cottages, Maesteg, Neath, CF34 0TU
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 4 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Neath
Other active installation companies (insulation, lifts, shutters and similar) registered in Neath.
- Cladding Technology Ltd2023
- Concrete Structures & Floors Ltd2012
- Eco Connect Network Ltd2020
- J G Jones (Kitchen Installations) Limited2004
- K & J Property Solutions Ltd2025
- K&D Europe Constructions Ltd2023
- Monster Heating Limited2020
- Premier Welsh Blinds Limited2023
All installation companies (insulation, lifts, shutters and similar) in Neath · All trades in Neath · Installers across the UK
Frequently asked questions
When are Blackwell Enginering Limited's accounts due?
Blackwell Enginering Limited's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is Blackwell Enginering Limited's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is Blackwell Enginering Limited still trading?
Blackwell Enginering Limited 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 Blackwell Enginering Limited do?
Blackwell Enginering Limited is registered under Other construction installation (SIC 43290).
How old is Blackwell Enginering Limited?
Blackwell Enginering Limited was incorporated on 9 July 2019, 7 years ago.
What is the penalty if Blackwell Enginering Limited 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 Blackwell Enginering Limited 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.