Company profile · Builders
Coonell Construction Ltd
Coonell Construction Ltd is a 13-year-old private limited company registered in Brentford, company number 08519303, one of 88 building contractors in Brentford. 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 Coonell Construction 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.
Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Coonell Construction 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 £442K (+21.7%) on the year before, to £2.5M.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £2.7M against £249K owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £2.5M | £1.4M | £2.7M | £249K | 0 |
| 31 May 2025 | £2M | £787K | £2M | £4,697 | 0 |
| 31 May 2024 | £2.1M | £1.9M | £2.1M | £1,750 | 1 |
| 31 May 2023 | £1.8M | £167K | £201K | £110K | 0 |
| 31 May 2022 | £52K | £168K | £170K | £120K | 1 |
| 31 May 2021 | £5,216 | £239K | £240K | £236K | 1 |
| 31 May 2020 | £5,821 | £219K | £241K | £235K | 1 |
| 31 May 2019 | £64K | £191K | £213K | £149K | 1 |
| 31 May 2018 | £103K | £202K | £227K | £124K | |
| 31 May 2017 | £120K | £248K | £272K | £152K |
Where Coonell Construction Ltd is registered
The registered office is in Brentford (TW8), in the Hounslow local authority area, London. Show TW8 0GP on a map.
Other trade companies in TW8
- Loft Algerie LtdMotor traders
- Redline Roofing and Construction LtdBuilders
- Skyracer LtdMotor traders
- Trueccraft Construction LimitedBuilders
- X2 Performance LtdMechanics and garages
- Velox Property LimitedBuilders
- Fastway Projects LtdBuilders
- Vertex Build Pro LtdBuilders
What happens if Coonell Construction 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
- 08519303
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2013 (13 years ago)
- Registered office
- Unit 2.25 International House, 1100 Great West Road, Brentford, TW8 0GP
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 3 January 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 Brentford
Other active building contractors registered in Brentford.
- Cubicae Ltd2025
- Dex Refurbishments Ltd2018
- Dhatt Construction London Limited2025
- DK Maintenance and Supplies Ltd2024
- Elite Construction Building Services Limited2018
- Elite Construction London Limited2015
- Fara Construction Services Ltd2023
- Fastway Constructions Limited2018
All building contractors in Brentford · All trades in Brentford · Builders across the UK
Frequently asked questions
When are Coonell Construction Ltd's accounts due?
Coonell Construction 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 Coonell Construction 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 Coonell Construction Ltd still trading?
Coonell Construction 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 Coonell Construction Ltd do?
Coonell Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Coonell Construction Ltd?
Coonell Construction Ltd was incorporated on 8 May 2013, 13 years ago.
What is the penalty if Coonell Construction 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 Coonell Construction 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.