- Company number
- 04145854
- Incorporated
- 23 Jan 200125 years trading
- Registered office
- 52 Stoke Common Road, Eastleigh, Hampshire, SO50 6DU
- Nature of business
- Roofing activities; Other specialised construction activities n.e.c.
Conja Limited is a 25-year-old private limited company registered in Eastleigh, company number 04145854, one of 32 roofing companies in Eastleigh. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 £59K (+5.2%) on the year before, to £1.2M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £79K owed within a year: more than 10 times cover.
- 8 employees on average, up from 6 the year before.
- 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 Jan 2026 | £1.2M | £241K | £1.2M | £79K | 8 |
| 31 Jan 2025 | £1.1M | £462K | £1.1M | £210K | 6 |
| 31 Jan 2024 | £945K | £646K | £1.1M | £243K | 6 |
| 31 Jan 2023 | £610K | £352K | £760K | £220K | 6 |
| 31 Jan 2022 | £388K | £224K | £449K | £124K | 5 |
| 31 Jan 2021 | £368K | £248K | £381K | £68K | 5 |
| 31 Jan 2020 | £342K | £230K | £410K | £131K | 5 |
| 31 Jan 2019 | £243K | £115K | £289K | £83K | |
| 31 Jan 2018 | £295K | £143K | £339K | £93K | |
| 31 Jan 2017 | £294K | £111K | £399K | £151K | 5 |
Where Conja Limited is registered
The registered office is in Eastleigh (SO50), in the Eastleigh local authority area, South East. Show SO50 6DU on a map.
Other trade companies in SO50
- Chevron Homes LimitedBuilders
- Plymouth Construction & Roofing LtdRoofers
- Marley Roofing and Guttering LtdRoofers
- Gutter and Glass LimitedCleaning companies
- Zap Clean Systems LimitedCleaning companies
- Pro Spray Hampshire LtdPainters and decorators
- National Trusted Vehicles LtdMotor traders
- Kuji Service LtdMachinery repair and installation
What happens if Conja 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 04145854
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 January 2001 (25 years ago)
- Registered office
- 52 Stoke Common Road, Eastleigh, Hampshire, SO50 6DU
- Nature of business
- Roofing activities (SIC 43910)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 7 November 2025
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Eastleigh
Other active roofing companies registered in Eastleigh.
- Hampshire Roofcare Ltd2025
- Hampshire Roofing Specialists Limited2019
- Heritage Roof Repairs Ltd2025
- Incredible Roofing Ltd2025
- J. Skene Roofing Limited2017
- JMN Construction Limited1999
- K Roofing & Guttering Ltd2024
- Kershaw Construction Limited2012
All roofing companies in Eastleigh · All trades in Eastleigh · Roofers across the UK
Frequently asked questions
When are Conja Limited's accounts due?
Conja Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Conja Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Conja Limited still trading?
Conja 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 Conja Limited do?
Conja Limited is registered under Roofing activities (SIC 43910); Other specialised construction activities n.e.c. (SIC 43999).
How old is Conja Limited?
Conja Limited was incorporated on 23 January 2001, 25 years ago.
What is the penalty if Conja 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 Conja 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.