- Companies
- Builders
- Thornton Heath
- Green Line Developers Ltd
Green Line Developers Ltd
- Company number
- 11257163
- Incorporated
- 15 Mar 20188 years trading
- Registered office
- 132 Kynaston Avenue, Thornton Heath, CR7 7BW
- Nature of business
- Construction of domestic buildings
Green Line Developers Ltd is a 8-year-old private limited company registered in Thornton Heath, company number 11257163, one of 111 building contractors in Thornton Heath. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 2027.
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 down £2,422 (-10.9%) on the year before, to £20K.
- Net assets rose in 5 of 6 year-on-year comparisons on record.
- Current assets of £338 against £7,654 owed within a year: 0.0 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £20K | £338 | £7,654 | 1 | |
| 31 Mar 2024 | £22K | £9,415 | 2 | ||
| 31 Mar 2023 | £22K | £0 | £8,826 | 2 | |
| 31 Mar 2022 | £18K | £1,416 | £6,456 | 1 | |
| 31 Mar 2021 | £13K | £7,037 | £2,293 | 1 | |
| 31 Mar 2020 | £1,204 | £232 | £1,436 | 1 | |
| 31 Mar 2019 | £558 | £1,334 | £776 |
Where Green Line Developers Ltd is registered
The registered office is in Thornton Heath (CR7), in the Croydon local authority area, London. Show CR7 7BW on a map.
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What happens if Green Line Developers 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 11257163
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2018 (8 years ago)
- Registered office
- 132 Kynaston Avenue, Thornton Heath, CR7 7BW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 March 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 Thornton Heath
Other active building contractors registered in Thornton Heath.
- Halton Homes & Gardens Ltd2019
- Hardstone Construction Ltd2021
- Haren Construction Ltd2025
- HB Loft Conversions Ltd2020
- Hozo Construction Limited2025
- Ihor Duda Ih Limited2026
- J.W. Bros Construction Ltd2014
- K H L Constructions Limited2008
All building contractors in Thornton Heath · All trades in Thornton Heath · Builders across the UK
Frequently asked questions
When are Green Line Developers Ltd's accounts due?
Green Line Developers Ltd's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Green Line Developers Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Green Line Developers Ltd still trading?
Green Line Developers 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 Green Line Developers Ltd do?
Green Line Developers Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Green Line Developers Ltd?
Green Line Developers Ltd was incorporated on 15 March 2018, 8 years ago.
What is the penalty if Green Line Developers 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 Green Line Developers 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.