- Companies
- Mechanics and garages
- Welwyn Garden City
- B.L. Autos & Sons Limited
B.L. Autos & Sons Limited
- Company number
- 04160443
- Incorporated
- 14 Feb 200125 years trading
- Registered office
- 8 Southfields, Welwyn Garden City, Herts, AL7 4ST
- Nature of business
- Maintenance and repair of motor vehicles
B.L. Autos & Sons Limited is a 25-year-old private limited company registered in Welwyn Garden City, company number 04160443, one of 37 vehicle repair garages in Welwyn Garden City. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £2,745 (-4.5%) on the year before, to £59K.
- Current assets of £14K against £82K owed within a year: 0.2 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 4 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £59K | £14K | £82K | 4 | |
| 29 Feb 2024 | £61K | £8,174 | £81K | 4 | |
| 28 Feb 2016 | -£26K | £7,120 | £27K | £57K | |
| 28 Feb 2015 | -£35K | £0 | £23K | £62K |
Where B.L. Autos & Sons Limited is registered
The registered office is in Welwyn Garden City (AL7), in the Welwyn Hatfield local authority area, East of England. Show AL7 4ST on a map.
Other trade companies in AL7
- Mechanicalwise LtdInstallers
- Azalea Services LimitedSpecialist contractors
- Malmech and Mannion LimitedMechanics and garages
- T&D Construction Group LtdFinishing trades
- Vertec Roofing and Building LtdRoofers
- Selectlane LtdMotor traders
- Af Pressure Washing LtdCleaning companies
- Jet Professional LtdCleaning companies
What happens if B.L. Autos & Sons 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 04160443
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 February 2001 (25 years ago)
- Registered office
- 8 Southfields, Welwyn Garden City, Herts, AL7 4ST
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 14 February 2026
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Welwyn Garden City
Other active vehicle repair garages registered in Welwyn Garden City.
- Body Smart Repairs Limited2006
- Burrowfield Auto Services Limited1994
- Colindale Lane Tyres Ltd2015
- DHD Smart Tyres Ltd2019
- Exprocar Ltd2014
- G & B Autos Ltd2012
- Gloss & Go Detailing Ltd2025
- Hallgrove Garage Limited2007
All vehicle repair garages in Welwyn Garden City · All trades in Welwyn Garden City · Mechanics and garages across the UK
Frequently asked questions
When are B.L. Autos & Sons Limited's accounts due?
B.L. Autos & Sons Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is B.L. Autos & Sons Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is B.L. Autos & Sons Limited still trading?
B.L. Autos & Sons 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 B.L. Autos & Sons Limited do?
B.L. Autos & Sons Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is B.L. Autos & Sons Limited?
B.L. Autos & Sons Limited was incorporated on 14 February 2001, 25 years ago.
What is the penalty if B.L. Autos & Sons 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 B.L. Autos & Sons 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.