- Company number
- 16668413
- Incorporated
- 22 Aug 20251 year trading
- Registered office
- 58 Mill Lane, London, NW6 1NJ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Alberto Building Ltd is a 1-year-old private limited company registered in London, company number 16668413, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 2028.
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 Alberto Building 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.
Financial snapshot, 2026
From the balance sheet at 31 August 2026, as filed at Companies House.
Where Alberto Building Ltd is registered
The registered office is in London (NW6), in the Camden local authority area, London. Show NW6 1NJ on a map.
Other trade companies in NW6
- MJC Performance LtdMechanics and garages
- Diamond Alloys LimitedMechanics and garages
- Vaglouk LtdFacilities management
- Velmont Construction LtdInstallers
- Prime Build Roofing LimitedRoofers
- Mannyservices LtdFloor and wall tilers
- Pureguard London LtdCleaning companies
- Ace Body Work LimitedMechanics and garages
Also registered at this address
3 other companies use the same registered office as Alberto Building Ltd.
- Ben & Dan Construction LtdBuilders
- Ben & Dan Domestic Cleaning LtdCleaning companies
- Elko Building Management LimitedBuilders
What happens if Alberto Building 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 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2028 to 30 Jun 2028 | £150 |
| 1 to 3 months late | 1 Jul 2028 to 31 Aug 2028 | £375 |
| 3 to 6 months late | 1 Sep 2028 to 30 Nov 2028 | £750 |
| More than 6 months late | From 1 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 16668413
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 August 2025 (1 year ago)
- Registered office
- 58 Mill Lane, London, NW6 1NJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2026
- Last confirmation statement
- 12 August 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 London
Other active building contractors registered in London.
- Albi Construction Ltd2025
- Albiani Ltd2026
- Albion Building & Consultancy Ltd2022
- Albion Inns Limited2005
- Albion Projects Ltd2015
- Albion Solutions Ltd2019
- Albmax Ltd2013
- Albona -Renovation Ltd2020
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Alberto Building Ltd's accounts due?
Alberto Building Ltd's next accounts are due at Companies House by 31 May 2028 (in 596 days), covering the period to 31 August 2027.
When is Alberto Building Ltd's CT600 due?
The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.
Is Alberto Building Ltd still trading?
Alberto Building 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 Alberto Building Ltd do?
Alberto Building Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Alberto Building Ltd?
Alberto Building Ltd was incorporated on 22 August 2025, 1 year ago.
What is the penalty if Alberto Building 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 Alberto Building 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.