- Company number
- 11689367
- Incorporated
- 21 Nov 20187 years trading
- Registered office
- 7-10 Adam House Crystal Tax Consultancy Ltd, Adam Street, London, WC2N 6AA
- Nature of business
- Construction of domestic buildings
LLT Contracts Ltd is a 7-year-old private limited company registered in London, company number 11689367, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £7,039 (-892.1%) on the year before, to -£6,250.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £65K against £71K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£6,250 | £65K | £71K | 1 | |
| 30 Nov 2024 | £789 | £67K | £66K | 1 | |
| 30 Nov 2023 | £1,723 | £53K | £51K | 1 | |
| 30 Nov 2022 | £49K | £102K | £27K | 1 | |
| 30 Nov 2021 | £40K | £92K | £23K | 1 | |
| 30 Nov 2020 | £126 | £290 | £14K | £14K | 0 |
| 30 Nov 2019 | £125 | £1,835 | £17K | £17K | 2 |
Where LLT Contracts Ltd is registered
The registered office is in London (WC2N), in the Westminster local authority area, London. Show WC2N 6AA on a map.
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- Isofit Mechanical Services LtdInstallers
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- Indtech Electrical Consultants LtdElectricians
What happens if LLT Contracts 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11689367
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 November 2018 (7 years ago)
- Registered office
- 7-10 Adam House Crystal Tax Consultancy Ltd, Adam Street, London, WC2N 6AA
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 20 November 2025
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 London
Other active building contractors registered in London.
- LM James Construction UK Ltd2026
- LM Sprinklers Limited2024
- LM20 Ltd2022
- LMD Tradex Ltd2020
- Lmi Construction Ltd2022
- LMJ Contractors Ltd Limited2026
- LMS Construction Limited2022
- LMV Group Ltd2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are LLT Contracts Ltd's accounts due?
LLT Contracts Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is LLT Contracts Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is LLT Contracts Ltd still trading?
LLT Contracts 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 LLT Contracts Ltd do?
LLT Contracts Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is LLT Contracts Ltd?
LLT Contracts Ltd was incorporated on 21 November 2018, 7 years ago.
What is the penalty if LLT Contracts 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 LLT Contracts 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.