- Companies
- Specialist contractors
- London
- Concrete Structures Ltd
Concrete Structures Ltd
- Company number
- 06261685
- Incorporated
- 29 May 200719 years trading
- Registered office
- 17 Exeter Road, London, N14 5JT
- Nature of business
- Other specialised construction activities n.e.c.
Concrete Structures Ltd is a 19-year-old private limited company registered in London, company number 06261685, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Concrete Structures LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £79K (+13.8%) on the year before, to £654K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £780K against £139K owed within a year: 5.6 times cover.
- 4 employees on average, up from 3 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 May 2025 | £654K | £359K | £780K | £139K | 4 |
| 31 May 2024 | £575K | £283K | £610K | £44K | 3 |
| 31 May 2023 | £683K | £339K | £737K | £61K | 3 |
| 31 May 2022 | £646K | £321K | £763K | £86K | 3 |
| 31 May 2021 | £569K | £418K | £714K | £97K | 3 |
| 31 May 2020 | £487K | £656K | £170K | 1 | |
| 31 May 2019 | £427K | £478K | £498K | £73K | 2 |
| 31 May 2018 | £369K | £452K | £464K | £97K | 2 |
| 31 May 2017 | £283K | £364K | £378K | £98K | |
| 31 May 2016 | £228K | £364K | £396K | £173K |
Where Concrete Structures Ltd is registered
The registered office is in London (N14), in the Barnet local authority area, London. Show N14 5JT on a map.
Other trade companies in N14
- S & N Construction LtdBuilders
- Ekia Solutions LtdElectricians
- S&N Finishes LtdBuilders
- Soley London Group LtdElectricians
- Interior Build 1 LtdFinishing trades
- Niclons Engineering and Management LtdFinishing trades
- Kevlar Heating LimitedPlumbers and heating engineers
- Neonova Investments LtdProperty developers
What happens if Concrete Structures 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 06261685
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2007 (19 years ago)
- Registered office
- 17 Exeter Road, London, N14 5JT
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 9 January 2026
- Previous names
- Daniel & Son Project Services Ltd (until 22 Jul 2022)
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 London
Other active specialist construction companies registered in London.
- Conecta Exhibition Stands Ltd2026
- Congro Ltd2019
- Conisbee Engineers Ltd2024
- Connect & Repair Ltd2026
- Connect Housing (North East) Ltd2026
- Connect Sprinkler System Limited2022
- Connect T M Holdings Limited2011
- Conport Structures Limited1965
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Concrete Structures Ltd's accounts due?
Concrete Structures Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Concrete Structures Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Concrete Structures Ltd still trading?
Concrete Structures 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 Concrete Structures Ltd do?
Concrete Structures Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Concrete Structures Ltd?
Concrete Structures Ltd was incorporated on 29 May 2007, 19 years ago.
What is the penalty if Concrete Structures 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 Concrete Structures 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.