- Companies
- Finishing trades
- Carshalton
- Buildon Loft Conversions Ltd
Buildon Loft Conversions Ltd
- Company number
- 09742822
- Incorporated
- 21 Aug 201511 years trading
- Registered office
- 42 Sibton Road, Carshalton, SM5 1LQ
- Nature of business
- Other building completion and finishing
Buildon Loft Conversions Ltd is a 11-year-old private limited company registered in Carshalton, company number 09742822, one of 37 building finishing companies in Carshalton. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £95 (-19%) on the year before, to £405.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £23K against £32K owed within a year: 0.7 times cover.
- 2 employees on average, up from 0 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £405 | £23K | £32K | 2 | |
| 31 Aug 2024 | £500 | £17K | £16K | 0 | |
| 31 Aug 2023 | £955 | £25K | £24K | 0 | |
| 31 Aug 2022 | £548 | £24K | £23K | 0 | |
| 31 Aug 2021 | £406 | £28K | £23K | 0 | |
| 31 Aug 2020 | £49 | £26K | £8,762 | 2 | |
| 31 Aug 2019 | -£276 | -£11K | £9,201 | 2 | |
| 31 Aug 2018 | £13K | £13K | £13K | 2 | |
| 31 Aug 2017 | £3,811 | £3,811 | £3,811 | ||
| 31 Aug 2016 | £50 |
Who runs and owns Buildon Loft Conversions Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| B*** G*** | Director | Aug 2015 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| C*** B*** | Secretary | Sep 2017 | Feb 2026 |
Person with significant control
Where Buildon Loft Conversions Ltd is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 1LQ on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
What happens if Buildon Loft Conversions 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 09742822
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2015 (11 years ago)
- Registered office
- 42 Sibton Road, Carshalton, SM5 1LQ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 11 August 2026
- Previous names
- Buildon Construction Ltd (until 6 Feb 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 Carshalton
Other active building finishing companies registered in Carshalton.
- Chris Unique Construction Ltd2020
- Classic Tiling London Ltd2012
- Dan37 Ltd2010
- Dumarc Limited2013
- Elizz Ltd2012
- Erm Construction Ltd2024
- Fine Cut Construction Limited2017
- Fixtoday Property Maintenance Ltd2023
All building finishing companies in Carshalton · All trades in Carshalton · Finishing trades across the UK
Frequently asked questions
When are Buildon Loft Conversions Ltd's accounts due?
Buildon Loft Conversions Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Buildon Loft Conversions Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Buildon Loft Conversions Ltd still trading?
Buildon Loft Conversions Ltd is listed as active on the Companies House register (checked 12 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 Buildon Loft Conversions Ltd do?
Buildon Loft Conversions Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Buildon Loft Conversions Ltd?
Buildon Loft Conversions Ltd was incorporated on 21 August 2015, 11 years ago.
Who runs Buildon Loft Conversions Ltd?
Buildon Loft Conversions Ltd has 1 active director, the longest-serving appointed in Aug 2015. Their names and service addresses are on the Companies House register.
Who owns Buildon Loft Conversions Ltd?
One person or company has significant control of Buildon Loft Conversions Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if Buildon Loft Conversions 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 Buildon Loft Conversions Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.