- Companies
- Finishing trades
- Sidcup
- Better Build Southern Limited
Better Build Southern Limited
- Company number
- 12618643
- Incorporated
- 22 May 20206 years trading
- Registered office
- Onega House, 112 Main Road, Sidcup, DA14 6NE
- Nature of business
- Other building completion and finishing
Better Build Southern Limited is a 6-year-old private limited company registered in Sidcup, company number 12618643, one of 54 building finishing companies in Sidcup. Companies House shows its accounts as overdue: they were due on 28 February 2026.
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 £6,774 on the year before, to -£6,744.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2024 | -£6,744 | £7,929 | 2 | ||
| 31 May 2023 | £30 | £1,927 | 2 | ||
| 31 May 2022 | £539 | £1,891 | 1 | ||
| 31 May 2021 | £1 | £1 |
Where Better Build Southern Limited is registered
The registered office is in Sidcup (DA14), in the Bexley local authority area, London. Show DA14 6NE on a map.
Other trade companies in DA14
- Evlor LtdElectricians
- Pfe Services LimitedElectricians
- CJM Property Services LimitedFinishing trades
- Top Local Trader LtdBuilders
- Bassett Electrical Group LimitedElectricians
- Flatline Flooring LtdFloor and wall tilers
- LDT Service's LimitedScaffolders
- Old Maidstone Road Hand Car Wash LtdMechanics and garages
Shared registered office
87 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 Better Build Southern Limited 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 | 1 Mar 2026 to 31 Mar 2026 | £150 |
| 1 to 3 months late | 1 Apr 2026 to 31 May 2026 | £375 |
| 3 to 6 months late | 1 Jun 2026 to 31 Aug 2026 | £750 |
| More than 6 months late | From 1 Sep 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2026 | £200 |
| 3 months late | 31 Aug 2026 | another £200 |
| 6 months late | 30 Nov 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 12618643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2020 (6 years ago)
- Registered office
- Onega House, 112 Main Road, Sidcup, DA14 6NE
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2024
- Last confirmation statement
- 22 October 2025
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 Sidcup
Other active building finishing companies registered in Sidcup.
- CBL Stone Renovations Ltd2023
- Cezar Interiors Ltd2016
- Chrisalis Refurbishment Limited2007
- CJM Property Services Limited2026
- Dexson Drylining Ltd2024
- E & F Builders Ltd2016
- Finefinish Contractors Ltd2018
- Fire Star Interiors Ltd2025
All building finishing companies in Sidcup · All trades in Sidcup · Finishing trades across the UK
Frequently asked questions
When are Better Build Southern Limited's accounts due?
Better Build Southern Limited's accounts were due at Companies House on 28 February 2026 and the register shows them as overdue.
When is Better Build Southern Limited's CT600 due?
The CT600 for the period to 31 May 2025 is due at HMRC by 31 May 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2026.
Is Better Build Southern Limited still trading?
Better Build Southern Limited 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 Better Build Southern Limited do?
Better Build Southern Limited is registered under Other building completion and finishing (SIC 43390).
How old is Better Build Southern Limited?
Better Build Southern Limited was incorporated on 22 May 2020, 6 years ago.
What is the penalty if Better Build Southern 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 Better Build Southern Limited 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.