- Companies
- Groundworks and demolition
- Chelmsford
- Connaughts Site Investigation Ltd
Connaughts Site Investigation Ltd
- Company number
- 06821685
- Incorporated
- 17 Feb 200917 years trading
- Registered office
- 3 Highland Cottages Southend Road, Rettendon Common, Chelmsford, Essex, CM3 8EB
- Nature of business
- Test drilling and boring
Connaughts Site Investigation Ltd is a 17-year-old private limited company registered in Chelmsford, company number 06821685, one of 27 groundworks and demolition companies in Chelmsford. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £8,791 (+11.2%) on the year before, to £87K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £86K against £32K owed within a year: 2.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £87K | £86K | £32K | 1 | |
| 28 Feb 2025 | £78K | £86K | £29K | 1 | |
| 28 Feb 2022 | £69K | £61K | £8,283 | 1 | |
| 28 Feb 2021 | £40K | £47K | £7,307 | 1 | |
| 28 Feb 2020 | £47K | £51K | £9,558 | 1 | |
| 28 Feb 2019 | £55K | £73K | £28K | ||
| 28 Feb 2018 | £80K | £120K | £53K | ||
| 28 Feb 2017 | £64K | £51K | £130K | £82K | |
| 28 Feb 2016 | £58K | £57K | £98K | £52K | |
| 28 Feb 2015 | £50K | £47K | £76K | £47K |
Where Connaughts Site Investigation Ltd is registered
The registered office is in Chelmsford (CM3), in the Chelmsford local authority area, East of England. Show CM3 8EB on a map.
Other trade companies in CM3
- CLS Groundworks LtdBuilders
- Proglaze Window & Door Fitters LtdGlaziers
- Wrenford Holdings LtdProperty developers
- Pinnacle Performance and Prestige LimitedMotor traders
- Corevent Fire Safety LtdElectricians
- Eaton Home Improvements and Development LtdSpecialist contractors
- Saunders Electrical LtdElectricians
- Ashcroft Vehicles LtdMotor traders
What happens if Connaughts Site Investigation 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 06821685
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2009 (17 years ago)
- Registered office
- 3 Highland Cottages Southend Road, Rettendon Common, Chelmsford, Essex, CM3 8EB
- Nature of business
- Test drilling and boring (SIC 43130)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 13 February 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Chelmsford
Other active groundworks and demolition companies registered in Chelmsford.
- Cpe Chelmsford Limited2014
- E.D Ground Solutions Limited2015
- East Counties Construction Ltd2019
- Endeavour Drilling Limited2012
- Essex Demolition Contractors Limited1963
- Essex Floor Prep Limited2024
- FJ Groundworks Limited2018
- LBR Civils Ltd2019
All groundworks and demolition companies in Chelmsford · All trades in Chelmsford · Groundworks and demolition across the UK
Frequently asked questions
When are Connaughts Site Investigation Ltd's accounts due?
Connaughts Site Investigation Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Connaughts Site Investigation Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Connaughts Site Investigation Ltd still trading?
Connaughts Site Investigation 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 Connaughts Site Investigation Ltd do?
Connaughts Site Investigation Ltd is registered under Test drilling and boring (SIC 43130).
How old is Connaughts Site Investigation Ltd?
Connaughts Site Investigation Ltd was incorporated on 17 February 2009, 17 years ago.
What is the penalty if Connaughts Site Investigation 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 Connaughts Site Investigation 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.