- Companies
- Finishing trades
- London
- Building Best Limited
Building Best Limited
- Company number
- 12420453
- Incorporated
- 23 Jan 20206 years trading
- Registered office
- 318 Old Street, London, EC1V 9DR
- Nature of business
- Other building completion and finishing
Building Best Limited is a 6-year-old private limited company registered in London, company number 12420453, one of 3,947 building finishing companies in London. 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 down £167 (-9.8%) on the year before, to £1,534.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £1,534 | £1,534 | £0 | 0 | |
| 31 Jan 2024 | £1,701 | £2,442 | £741 | 0 | |
| 31 Jan 2023 | -£1,459 | £20 | 0 | ||
| 31 Jan 2022 | -£279 | £10 | 0 | ||
| 31 Jan 2021 | -£189 | 1 |
Where Building Best Limited is registered
The registered office is in London (EC1V), in the Hackney local authority area, London. Show EC1V 9DR on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Also registered at this address
9 other companies use the same registered office as Building Best Limited.
- Akv Carparts LtdMotor traders
- Eco Building Solutions LtdSpecialist contractors
- Evialex LtdProperty developers
- Idm Carpentry LtdJoiners and carpenters
- Leks UK LtdSpecialist contractors
- Longsword Building & Maintenance Services LtdInstallers
- Quality Fire Solutions LtdBuilders
- Reliable Gas and Plumbing LimitedPlumbers and heating engineers
- Youmax LtdBuilders
What happens if Building Best 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
- 12420453
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 January 2020 (6 years ago)
- Registered office
- 318 Old Street, London, EC1V 9DR
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 30 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Building Noer General Art Ltd2019
- Building Services A-Z Limited2002
- Buildings Renovation Ltd2022
- Buildo Contracters Ltd2026
- Buildozer Ltd2024
- Buildwise & Management Ltd2025
- Builto Limited2026
- Builtworks Renovations Ltd2021
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Building Best Limited's accounts due?
Building Best 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 Building Best 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 Building Best Limited still trading?
Building Best 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 Building Best Limited do?
Building Best Limited is registered under Other building completion and finishing (SIC 43390).
How old is Building Best Limited?
Building Best Limited was incorporated on 23 January 2020, 6 years ago.
What is the penalty if Building Best 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 Building Best 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.