- Company number
- 04756857
- Incorporated
- 8 May 200323 years trading
- Registered office
- Shop 1A Four Square Chapel Spark Lane, Mapplewell, Barnsley, South Yorkshire, S75 6AA
- Nature of business
- Construction of commercial buildings
Mason Building Contractors Limited is a 23-year-old private limited company registered in Barnsley, company number 04756857, one of 163 building contractors in Barnsley. Its next accounts are due at Companies House on 29 October 2026, and its first CT600 is due at HMRC on 31 October 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 £90K (-38.2%) on the year before, to £146K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £3.6M against £3.4M owed within a year: 1.0 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £146K | £15K | £3.6M | £3.4M | 4 |
| 31 Oct 2023 | £235K | £27K | £2.8M | £2.6M | 4 |
| 31 Oct 2022 | £317K | £0 | £1M | £718K | 4 |
| 31 Oct 2021 | £312K | £286 | £804K | £478K | 4 |
| 31 Oct 2020 | £280K | £25K | £921K | £614K | 4 |
| 31 Oct 2019 | £434K | £8,304 | £730K | £311K | 4 |
| 31 Oct 2018 | £291K | £726K | £406K | ||
| 31 Oct 2017 | £191K | £972K | £771K | ||
| 31 Oct 2016 | £185K | £909 | £847K | £687K | |
| 31 Oct 2015 | £181K | £676 | £714K | £549K |
Where Mason Building Contractors Limited is registered
The registered office is in Barnsley (S75), in the Barnsley local authority area, Yorkshire and The Humber. Show S75 6AA on a map.
Other trade companies in S75
- DMF LtdPlumbers and heating engineers
- Lee England Garage Doors LtdFinishing trades
- Top Spec Plastering and Rendering LtdPlasterers
- Mapp Motors LtdMechanics and garages
- Rspstore LtdMotor traders
- A-Side Boilers LtdInstallers
- Barnbrook Landscaping LtdLandscapers and gardeners
- North Park (Woolley) LimitedProperty developers
What happens if Mason Building Contractors 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 29 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Oct 2026 to 29 Nov 2026 | £150 |
| 1 to 3 months late | 30 Nov 2026 to 29 Jan 2027 | £375 |
| 3 to 6 months late | 30 Jan 2027 to 29 Apr 2027 | £750 |
| More than 6 months late | From 30 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Jan 2027 | £200 |
| 3 months late | 29 Apr 2027 | another £200 |
| 6 months late | 29 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 04756857
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2003 (23 years ago)
- Registered office
- Shop 1A Four Square Chapel Spark Lane, Mapplewell, Barnsley, South Yorkshire, S75 6AA
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 29 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 8 May 2026
- Charges (mortgages)
- 2 outstanding of 24 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Barnsley
Other active building contractors registered in Barnsley.
- Max MD Construct Ltd2019
- MFB Beachampton Limited2022
- Middwood Limited2012
- MJB Building Surveying and Roofing Services Limited2003
- Moving Matters (UK) Limited2004
- Neal Smith Construction Limited2012
- O'Donnell Civil Engineers Ltd1997
- O'Donnell Housing Limited2018
All building contractors in Barnsley · All trades in Barnsley · Builders across the UK
Frequently asked questions
When are Mason Building Contractors Limited's accounts due?
Mason Building Contractors Limited's next accounts are due at Companies House by 29 October 2026 (in 16 days), covering the period to 29 January 2026.
When is Mason Building Contractors Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 29 January 2026, due by 29 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mason Building Contractors Limited still trading?
Mason Building Contractors 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 Mason Building Contractors Limited do?
Mason Building Contractors Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Mason Building Contractors Limited?
Mason Building Contractors Limited was incorporated on 8 May 2003, 23 years ago.
What is the penalty if Mason Building Contractors 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 Mason Building Contractors 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.