- Company number
- 12971390
- Incorporated
- 23 Oct 20205 years trading
- Registered office
- 33 Down Street, Clydach, Swansea, SA6 5HA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Acorn Construction & Concrete Ltd is a 5-year-old private limited company registered in Swansea, company number 12971390, one of 204 building contractors in Swansea. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 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 up £2,272 (+50%) on the year before, to £6,813.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £7,874 against £1,061 owed within a year: 7.4 times cover.
- 1 employee on average, up from -1 the year before.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £6,813 | £5,074 | £7,874 | £1,061 | 1 |
| 31 Jul 2025 | £4,541 | £3,727 | £4,727 | £385 | -1 |
| 31 Jul 2024 | £3,116 | £2,832 | £4,632 | £1,930 | -1 |
| 31 Jul 2023 | £7,104 | £6,906 | £433 | -1 | |
| 31 Jul 2022 | £5,261 | £5,699 | £174 | -1 | |
| 31 Jul 2021 | £4,517 | £4,492 | £1,040 | 1 |
Where Acorn Construction & Concrete Ltd is registered
The registered office is in Swansea (SA6), in the Swansea local authority area, Wales. Show SA6 5HA on a map.
Other trade companies in SA6
- Alpine Roofing (Swansea) LimitedRoofers
- Auto Surplus Wales LtdMotor traders
- Roofmaster Roofing and Building LtdProperty developers
- Everyday Maintenance Services LtdSpecialist contractors
- M.E Exterior Cleaning LimitedCleaning companies
- Color Harmony LtdPainters and decorators
- RSM Cars LimitedMotor traders
- T&T Roofing & Home Improvements LtdRoofers
What happens if Acorn Construction & Concrete 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 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12971390
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2020 (5 years ago)
- Registered office
- 33 Down Street, Clydach, Swansea, SA6 5HA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 28 September 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 Swansea
Other active building contractors registered in Swansea.
- Advanced Brickwork Contractors Ltd.2011
- Albosc Ltd2022
- All 4 You Contractors Ltd2017
- Anton Homes Limited2001
- Approved Property Solutions Ltd2018
- Artisan Contractors Ltd2021
- Atlan Ltd2019
- Atrium Construction2022 Ltd2022
All building contractors in Swansea · All trades in Swansea · Builders across the UK
Frequently asked questions
When are Acorn Construction & Concrete Ltd's accounts due?
Acorn Construction & Concrete Ltd's next accounts are due at Companies House by 31 March 2028 (in 535 days), covering the period to 30 June 2027.
When is Acorn Construction & Concrete Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Acorn Construction & Concrete Ltd still trading?
Acorn Construction & Concrete 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 Acorn Construction & Concrete Ltd do?
Acorn Construction & Concrete Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Acorn Construction & Concrete Ltd?
Acorn Construction & Concrete Ltd was incorporated on 23 October 2020, 5 years ago.
What is the penalty if Acorn Construction & Concrete 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 Acorn Construction & Concrete 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.