- Companies
- Property developers
- Waltham Cross
- London Basement Conversion Limited
London Basement Conversion Limited
- Company number
- 15584172
- Incorporated
- 22 Mar 20242 years trading
- Registered office
- 2 Myddleton Path, Cheshunt, Waltham Cross, EN7 5BP
- Nature of business
- Development of building projects; Construction of domestic buildings
London Basement Conversion Limited is a 2-year-old private limited company registered in Waltham Cross, company number 15584172, one of 81 property development companies in Waltham Cross. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 London Basement Conversion 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.
Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where London Basement Conversion Limited is registered
The registered office is in Waltham Cross (EN7), in the Broxbourne local authority area, East of England. Show EN7 5BP on a map.
Other trade companies in EN7
- Sparkle & Press LtdCleaning companies
- Sotira Maintenance LtdFinishing trades
- Sentry: Rapid Response LtdElectricians
- Tornado Group London LtdMotor traders
- Platinum Hive Decorating LimitedPlasterers
- Nexo Concept LtdProperty developers
- Outin Solutions LimitedFinishing trades
- Trulys Trees LimitedLandscapers and gardeners
Also registered at this address
2 other companies use the same registered office as London Basement Conversion Limited.
- HFR House Finishing LimitedProperty developers
- L Shape Extension LtdBuilders
What happens if London Basement Conversion 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 15584172
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 March 2024 (2 years ago)
- Registered office
- 2 Myddleton Path, Cheshunt, Waltham Cross, EN7 5BP
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 21 March 2026
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 Waltham Cross
Other active property development companies registered in Waltham Cross.
- LQ Romford Ltd2025
- M3S Property Services Ltd2019
- Marketly Ltd2013
- Martini Associates Limited2016
- Martini Maintenance Services Limited2023
- MBS Solutions International Ltd2020
- Metro Property Developers Ltd2020
- Montana Estates London Limited2022
All property development companies in Waltham Cross · All trades in Waltham Cross · Property developers across the UK
Frequently asked questions
When are London Basement Conversion Limited's accounts due?
London Basement Conversion Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is London Basement Conversion Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is London Basement Conversion Limited still trading?
London Basement Conversion 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 London Basement Conversion Limited do?
London Basement Conversion Limited is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202).
How old is London Basement Conversion Limited?
London Basement Conversion Limited was incorporated on 22 March 2024, 2 years ago.
What is the penalty if London Basement Conversion 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 London Basement Conversion 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.