- Companies
- Specialist contractors
- Brentwood
- Builders Convert Ltd
Builders Convert Ltd
- Company number
- 12069457
- Incorporated
- 25 Jun 20197 years trading
- Registered office
- 80A Church Lane, Doddinghurst, Brentwood, CM15 0NG
- Nature of business
- Other specialised construction activities n.e.c.
Builders Convert Ltd is a 7-year-old private limited company registered in Brentwood, company number 12069457, one of 114 specialist construction companies in Brentwood. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 up £1,808 (+3.9%) on the year before, to -£45K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £539 against £16K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£45K | £539 | £16K | 0 | |
| 30 Jun 2024 | -£47K | £2,841 | £18K | 1 | |
| 30 Jun 2023 | -£36K | £7,213 | £8,528 | £16K | 2 |
| 30 Jun 2022 | -£21K | £8,315 | £21K | £4,074 | 1 |
| 30 Jun 2021 | -£20K | £36K | £36K | £5,483 | 0 |
| 30 Jun 2020 | -£7,595 | £12K | £15K | £23K | 3 |
Where Builders Convert Ltd is registered
The registered office is in Brentwood (CM15), in the Brentwood local authority area, East of England. Show CM15 0NG on a map.
Other trade companies in CM15
- JJ Freeman Construction LtdGroundworks and demolition
- Sky Loft London LtdFinishing trades
- LDN Systems LtdRoofers
- LDN Traditional Roofing LtdRoofers
- Reactive Roofers LtdRoofers
- K.Fire.Safety LtdElectricians
- Elevation Roofing Group LimitedRoofers
- Krosshatch Creative Concepts LimitedProperty developers
What happens if Builders Convert 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12069457
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2019 (7 years ago)
- Registered office
- 80A Church Lane, Doddinghurst, Brentwood, CM15 0NG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 2 February 2026
- Previous names
- Serghey Carpentry Ltd (until 18 Feb 2020)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Brentwood
Other active specialist construction companies registered in Brentwood.
- CDB Construction Property Services Ltd2025
- Chabear Investments Ltd2021
- City Environmental Limited2002
- City Plant and Screeding Limited2019
- CL Fire Ltd2025
- Create and Renovate Ltd2024
- D.S.Rose Ltd2026
- Deidson Services Ltd2015
All specialist construction companies in Brentwood · All trades in Brentwood · Specialist contractors across the UK
Frequently asked questions
When are Builders Convert Ltd's accounts due?
Builders Convert Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Builders Convert Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Builders Convert Ltd still trading?
Builders Convert 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 Builders Convert Ltd do?
Builders Convert Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Builders Convert Ltd?
Builders Convert Ltd was incorporated on 25 June 2019, 7 years ago.
What is the penalty if Builders Convert 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 Builders Convert 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.