- Company number
- 01781947
- Incorporated
- 10 Jan 198442 years trading
- Registered office
- 20 Coxon Street, Spondon, Derby, Derbyshire, DE21 7JG
- Nature of business
- Construction of commercial buildings
Mundy Structural Steel Company Limited is a 42-year-old private limited company registered in Derby, company number 01781947, one of 353 building contractors in Derby. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 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 £76K (+13.8%) on the year before, to £624K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £236K against £860K owed within a year: 0.3 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £624K | £236K | £860K | 3 | |
| 31 Oct 2023 | £549K | £246K | £794K | 3 | |
| 31 Oct 2022 | £450K | £318K | £558K | 5 | |
| 31 Oct 2021 | £260K | £301K | £352K | 7 | |
| 31 Oct 2020 | £38K | £372K | £237K | 6 | |
| 31 Oct 2019 | £70K | £363K | £122K | 8 | |
| 31 Oct 2018 | £78K | £572K | £326K | ||
| 31 Oct 2017 | £88K | ||||
| 31 Oct 2016 | £238K | £103K | £709K | £310K | |
| 31 Oct 2015 | -£33K | £12K | £391K | £262K |
Where Mundy Structural Steel Company Limited is registered
The registered office is in Derby (DE21), in the Derby local authority area, East Midlands. Show DE21 7JG on a map.
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Also registered at this address
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What happens if Mundy Structural Steel Company 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 01781947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 January 1984 (42 years ago)
- Registered office
- 20 Coxon Street, Spondon, Derby, Derbyshire, DE21 7JG
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 20 June 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
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 Derby
Other active building contractors registered in Derby.
- N2 Development Construction Ltd2023
- National Energy Solutions Ltd2019
- Newman Builders Limited2003
- Nexus CPM Ltd2026
- Nigel Dodsley Site Engineering Limited2007
- Norcroft Asset Group Ltd2026
- Ockbrook Construction Ltd2015
- One Quote Construction Ltd2024
All building contractors in Derby · All trades in Derby · Builders across the UK
Frequently asked questions
When are Mundy Structural Steel Company Limited's accounts due?
Mundy Structural Steel Company Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Mundy Structural Steel Company Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mundy Structural Steel Company Limited still trading?
Mundy Structural Steel Company 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 Mundy Structural Steel Company Limited do?
Mundy Structural Steel Company Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Mundy Structural Steel Company Limited?
Mundy Structural Steel Company Limited was incorporated on 10 January 1984, 42 years ago.
What is the penalty if Mundy Structural Steel Company 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 Mundy Structural Steel Company 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.