- Companies
- Specialist contractors
- Birmingham
- Instant Mix Concrete Ltd
Instant Mix Concrete Ltd
- Company number
- 10982184
- Incorporated
- 26 Sep 20179 years trading
- Registered office
- 34 Redfern Road, Tyseley, Birmingham, B11 2BH
- Nature of business
- Other specialised construction activities n.e.c.
Instant Mix Concrete Ltd is a 9-year-old private limited company registered in Birmingham, company number 10982184, one of 442 specialist construction companies in Birmingham. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £4,445 (+2%) on the year before, to £225K.
- Net assets rose in 6 of 6 year-on-year comparisons on record.
- Current assets of £75K against £140K owed within a year: 0.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2018 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2024 | £225K | £8,026 | £75K | £140K | 0 |
| 30 Sep 2023 | £221K | £1,812 | £88K | £139K | 0 |
| 30 Sep 2022 | £202K | £128K | £238K | 0 | |
| 30 Sep 2021 | £103K | £373K | £473K | 0 | |
| 30 Sep 2020 | £74K | £111K | £442K | £481K | 0 |
| 30 Sep 2019 | £29K | £262K | £354K | ||
| 30 Sep 2018 | £6,357 | £112K | £185K |
Where Instant Mix Concrete Ltd is registered
The registered office is in Birmingham (B11), in the Birmingham local authority area, West Midlands. Show B11 2BH on a map.
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What happens if Instant Mix Concrete Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 10982184
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2017 (9 years ago)
- Registered office
- 34 Redfern Road, Tyseley, Birmingham, B11 2BH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 18 January 2026
- Previous names
- Instant Mix Ltd (until 29 Sep 2017)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Birmingham
Other active specialist construction companies registered in Birmingham.
- Insul8 Mids. Limited2012
- Insync Management Ltd2019
- Irsha Energies Ltd2025
- Ivan Building Services Ltd2023
- J & M Buildings & Maintenance Limited2013
- J & S Piling & Foundations Ltd2007
- J Construction Solutions Ltd2019
- J S M R Buildings Ltd2025
All specialist construction companies in Birmingham · All trades in Birmingham · Specialist contractors across the UK
Frequently asked questions
When are Instant Mix Concrete Ltd's accounts due?
Instant Mix Concrete Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Instant Mix Concrete 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 30 September 2025, due by 30 September 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Instant Mix Concrete Ltd still trading?
Instant Mix Concrete Ltd is listed as active on the Companies House register (checked 13 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 Instant Mix Concrete Ltd do?
Instant Mix Concrete Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Instant Mix Concrete Ltd?
Instant Mix Concrete Ltd was incorporated on 26 September 2017, 9 years ago.
What is the penalty if Instant Mix 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 Instant Mix Concrete Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.