- Company number
- 12505408
- Incorporated
- 9 Mar 20206 years trading
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Construction of domestic buildings
Realisation 1240 Ltd is a 6-year-old private limited company registered in London, company number 12505408, one of 12,075 building contractors in London. Companies House shows its accounts as overdue: they were due on 22 March 2026.
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 Realisation 1240 LtdOr 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.
Where Realisation 1240 Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
Other trade companies in W1W
- Civaris LtdSpecialist contractors
- R&R Construction Group LtdBuilders
- Aurum Cooling LtdPlumbers and heating engineers
- Steam Wood Stone LtdFinishing trades
- Hau Developments LimitedProperty developers
- Group Atlas Financial 83 LtdPainters and decorators
- Energy Reward LtdMotor traders
- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Realisation 1240 Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Mar 2026 to 22 Apr 2026 | £150 |
| 1 to 3 months late | 23 Apr 2026 to 22 Jun 2026 | £375 |
| 3 to 6 months late | 23 Jun 2026 to 22 Sep 2026 | £750 |
| More than 6 months late | From 23 Sep 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 23 Jun 2026 | £200 |
| 3 months late | 22 Sep 2026 | another £200 |
| 6 months late | 22 Dec 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 22 Jun 2027 | 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
- 12505408
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2020 (6 years ago)
- Registered office
- 167-169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2023
- Last confirmation statement
- 8 March 2026
- Charges (mortgages)
- 0 outstanding of 5 registered
- Previous names
- Barry Howard Homes (Guw) Ltd (until 15 Jun 2024)
Watermeadow Homes (Holdings) Ltd (until 12 Oct 2021)
Watermeadow Homes 4 Ltd (until 2 Apr 2020)
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.
- Realline Builders Limited2025
- Realm Carpentry Ltd2026
- Realprofit Ltd2014
- Realtop Ltd2012
- Rebel Design Studio Ltd2024
- Reboost Buildings Ltd2025
- Rebuildio Limited2023
- Reces Services Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Realisation 1240 Ltd's accounts due?
Realisation 1240 Ltd's accounts were due at Companies House on 22 March 2026 and the register shows them as overdue.
When is Realisation 1240 Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 December 2024, due by 31 December 2025, and one for the period to 22 June 2025, due by 22 June 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Realisation 1240 Ltd still trading?
Realisation 1240 Ltd is listed as active on the Companies House register (checked 13 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 Realisation 1240 Ltd do?
Realisation 1240 Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Realisation 1240 Ltd?
Realisation 1240 Ltd was incorporated on 9 March 2020, 6 years ago.
What is the penalty if Realisation 1240 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 Realisation 1240 Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.