- Companies
- Property developers
- Staines-upon-Thames
- Copsem Lane Limited
Copsem Lane Limited
- Company number
- 14201541
- Incorporated
- 28 Jun 20224 years trading
- Registered office
- Montreaux House, The Hythe, Staines-upon-Thames, TW18 3JQ
- Nature of business
- Development of building projects
Copsem Lane Limited is a 4-year-old private limited company registered in Staines-upon-Thames, company number 14201541, one of 62 property development companies in Staines-upon-Thames. 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.
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 Copsem Lane LimitedOr 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 down £21K on the year before, to -£21K.
- Current assets of £805K against £826K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£21K | £805K | £826K | 1 | |
| 30 Jun 2024 | £1 | ||||
| 30 Jun 2023 | £1 |
Where Copsem Lane Limited is registered
The registered office is in Staines-upon-Thames (TW18), in the Runnymede local authority area, South East. Show TW18 3JQ on a map.
Other trade companies in TW18
- Cleenspace LtdCleaning companies
- Querceto Property LtdProperty developers
- Deep Property Group LtdProperty developers
- Icm Power LtdMachinery repair and installation
- Staines Scooter LtdMotor traders
- JBS All-Trades LtdPlumbers and heating engineers
- Almisor Solar LtdBuilders
- Greenzone Cooling LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Copsem Lane Limited.
- Montreaux Holdco 1 LtdProperty developers
What happens if Copsem Lane 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 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
- 14201541
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 June 2022 (4 years ago)
- Registered office
- Montreaux House, The Hythe, Staines-upon-Thames, TW18 3JQ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 27 June 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Montreaux Russetts Ltd (until 14 Apr 2024)
Montreaux 157 Limited (until 18 Jan 2023)
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Staines-upon-Thames
Other active property development companies registered in Staines-upon-Thames.
- Corvette Surveying Services Limited2015
- Deep Property Group Ltd2026
- Delamere Property Group Limited2018
- E.D.S. Holdings Limited1993
- Empire Homes London Limited2025
- Esr Square Limited2020
- Galower Developments Limited2022
- GSM Property Management Ltd2025
All property development companies in Staines-upon-Thames · All trades in Staines-upon-Thames · Property developers across the UK
Frequently asked questions
When are Copsem Lane Limited's accounts due?
Copsem Lane Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Copsem Lane Limited'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 Copsem Lane Limited still trading?
Copsem Lane 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 Copsem Lane Limited do?
Copsem Lane Limited is registered under Development of building projects (SIC 41100).
How old is Copsem Lane Limited?
Copsem Lane Limited was incorporated on 28 June 2022, 4 years ago.
What is the penalty if Copsem Lane 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 Copsem Lane 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.