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- Concept Structural Design Ltd
Company profile · Specialist contractors
Concept Structural Design Ltd
Concept Structural Design Ltd is a 17-year-old private limited company registered in Barnsley, company number 06921918, one of 101 specialist construction companies in Barnsley. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Concept Structural Design Ltd over the years
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 £6,453 (+90.8%) on the year before, to £14K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £22K against £7,990 owed within a year: 2.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £14K | £22K | £7,990 | 2 | |
| 30 Jun 2024 | £7,108 | £20K | £13K | 2 | |
| 30 Jun 2023 | £1,043 | £12K | £10K | 2 | |
| 30 Jun 2022 | £282 | £8,727 | £8,029 | 2 | |
| 30 Jun 2021 | £325 | £17K | £16K | 3 | |
| 30 Jun 2020 | £698 | £8,893 | £8,059 | 2 | |
| 30 Jun 2019 | £2,227 | £19K | £16K | 2 | |
| 30 Jun 2018 | £1,316 | £30K | £29K | 3 | |
| 30 Jun 2017 | £3,923 | £22K | £32K | £28K | |
| 30 Jun 2016 | £3,268 | £45K | £50K | £47K |
Who runs and owns Concept Structural Design Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| I*** T*** | Director | Jun 2009 |
| K*** T*** | Secretary | Jun 2009 |
People with significant control (2)
Where Concept Structural Design Ltd is registered
The registered office is in Barnsley (S75), in the Barnsley local authority area, Yorkshire and The Humber. Show S75 1EX on a map.
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What happens if Concept Structural Design 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 06921918
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2009 (17 years ago)
- Registered office
- 37 Hall Bank, Barnsley, S75 1EX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 14 April 2026
- Previous names
- Design IT Structural Solutions Ltd (until 14 Dec 2023)
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 Barnsley
Other active specialist construction companies registered in Barnsley.
- Constructional Timber (Manufacturers) Limited1979
- Conway's Groundworks Limited2017
- D B Earthworks Ltd2022
- D-Jeg Construction Services Limited2026
- D.P.B. Excavations Limited2022
- Dome Brickwork Limited2021
- Drive-In-Designs Limited2010
- E J Lidster (Sales) Ltd2013
All specialist construction companies in Barnsley · All trades in Barnsley · Specialist contractors across the UK
Frequently asked questions
When are Concept Structural Design Ltd's accounts due?
Concept Structural Design Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Concept Structural Design Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Concept Structural Design Ltd still trading?
Concept Structural Design 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 Concept Structural Design Ltd do?
Concept Structural Design Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Concept Structural Design Ltd?
Concept Structural Design Ltd was incorporated on 2 June 2009, 17 years ago.
Who runs Concept Structural Design Ltd?
Concept Structural Design Ltd has 1 active director, the longest-serving appointed in Jun 2009. Their names and service addresses are on the Companies House register.
Who owns Concept Structural Design Ltd?
2 people or companies have significant control of Concept Structural Design Ltd: an individual (has significant influence or control); an individual (owns 25% to 50% of the shares).
What is the penalty if Concept Structural Design 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 Concept Structural Design Ltd on Companies House for filed documents, officers and the full history.
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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.