- Companies
- Property developers
- Southampton
- Thornetts LH Limited
Thornetts LH Limited
- Company number
- 13122341
- Incorporated
- 8 Jan 20215 years trading
- Registered office
- Charmwood Centre Southampton Road, Bartley, Southampton, SO40 2NA
- Nature of business
- Development of building projects
Thornetts LH Limited is a 5-year-old private limited company registered in Southampton, company number 13122341, one of 399 property development companies in Southampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 up £34K (+23.2%) on the year before, to -£112K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £1.9M against £159K 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 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£112K | £18 | £1.9M | £159K | 0 |
| 31 Jan 2024 | -£146K | £1.7M | £86K | 0 | |
| 31 Jan 2023 | -£109K | £157K | £406K | 0 | |
| 31 Jan 2022 | -£26K | £3,994 | £30K | 0 |
Where Thornetts LH Limited is registered
The registered office is in Southampton (SO40), in the New Forest local authority area, South East. Show SO40 2NA on a map.
Other trade companies in SO40
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- Eco Clean New Forest LtdCleaning companies
- Refine Property & Marine Services LtdCleaning companies
- Evergleam Cleaning Solutions LtdCleaning companies
- JMD Building Services LimitedBuilders
- South Coast Landscape and Groundworks LtdBuilders
- A.W. Berry Developments LtdSpecialist contractors
- MLK Services LimitedSpecialist contractors
Also registered at this address
12 other companies use the same registered office as Thornetts LH Limited.
- Avery Accident Repair Specialists LtdMechanics and garages
- Bartlett Electrical LtdElectricians
- Bentley Construction Holdings LimitedProperty developers
- Bentley Projects LimitedBuilders
- Bentley Sip Systems LimitedFinishing trades
- Brightriver Homes LimitedProperty developers
- Filgate Tiling LimitedFloor and wall tilers
- Front Row Construction and Management Services LtdInstallers
- Hopwood Electrical Solutions LtdElectricians
- Johnson Ward Developments LimitedBuilders
- Shield Building Developments LtdProperty developers
- Shield Home Improvements LtdProperty developers
What happens if Thornetts LH 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13122341
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 January 2021 (5 years ago)
- Registered office
- Charmwood Centre Southampton Road, Bartley, Southampton, SO40 2NA
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 26 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Building 3 Hayes (Ol) Limited (until 17 Jan 2022)
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 Southampton
Other active property development companies registered in Southampton.
- Tiny Developments Ltd2025
- Topmarx Limited1996
- TPM Building & Property Maintenance Limited2014
- Trusk Civil Engineering Limited2002
- U Developments Ltd2017
- Ud Invest Limited2019
- Ugaine Developments Group Limited2025
- Unify Property Limited2025
All property development companies in Southampton · All trades in Southampton · Property developers across the UK
Frequently asked questions
When are Thornetts LH Limited's accounts due?
Thornetts LH Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Thornetts LH Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Thornetts LH Limited still trading?
Thornetts LH 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 Thornetts LH Limited do?
Thornetts LH Limited is registered under Development of building projects (SIC 41100).
How old is Thornetts LH Limited?
Thornetts LH Limited was incorporated on 8 January 2021, 5 years ago.
What is the penalty if Thornetts LH 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 Thornetts LH 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.