- Companies
- Installers
- Mason Construction (Teesside) Limited
Mason Construction (Teesside) Limited
- Company number
- 06368563
- Incorporated
- 12 Sep 200719 years trading
- Registered office
- 69 Bishopton Road, Stockton on Tees, TS18 4PE
- Nature of business
- Other construction installation; Other building completion and finishing
Mason Construction (Teesside) Limited is a 19-year-old private limited company, company number 06368563, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 26 November 2026, and its first CT600 is due at HMRC on 30 November 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Mason Construction (Teesside) LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £19K (-33.4%) on the year before, to £38K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £119K against £70K owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2018 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £38K | £14K | £119K | £70K | 2 |
| 30 Nov 2023 | £56K | £45K | £146K | £68K | 2 |
| 30 Nov 2022 | £38K | £32K | £129K | £61K | 2 |
| 30 Nov 2021 | £25K | £75K | £112K | £41K | 2 |
| 30 Nov 2020 | £18K | £6,920 | £47K | £31K | 2 |
| 30 Nov 2019 | £40K | £7,790 | £58K | £19K | 2 |
| 30 Nov 2018 | £45K | £17K | £67K | £22K | 2 |
Where Mason Construction (Teesside) Limited is registered
The registered office is in the TS18 postcode district, in the Stockton-on-Tees local authority area, North East. Show TS18 4PE on a map.
Other trade companies in TS18
- Teesside Renewables LtdElectricians
- Hartburn Building LtdBuilders
- Priory Landscaping & Driveways LtdLandscapers and gardeners
- Roseberry Access LtdSpecialist contractors
- 786 Fone Repairs LtdRepair services
- Mitchell26T LtdMachinery repair and installation
- Ajb Builders LtdBuilders
- Bespoke Contracts LimitedInstallers
What happens if Mason Construction (Teesside) 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 26 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2026 to 26 Dec 2026 | £150 |
| 1 to 3 months late | 27 Dec 2026 to 26 Feb 2027 | £375 |
| 3 to 6 months late | 27 Feb 2027 to 26 May 2027 | £750 |
| More than 6 months late | From 27 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Feb 2027 | £200 |
| 3 months late | 26 May 2027 | another £200 |
| 6 months late | 26 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 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
- 06368563
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 2007 (19 years ago)
- Registered office
- 69 Bishopton Road, Stockton on Tees, TS18 4PE
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 25 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 9 September 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Mason Construction (Teeside) Limited (until 1 Feb 2008)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies
Other active installation companies (insulation, lifts, shutters and similar).
Frequently asked questions
When are Mason Construction (Teesside) Limited's accounts due?
Mason Construction (Teesside) Limited's next accounts are due at Companies House by 26 November 2026 (in 45 days), covering the period to 26 February 2026.
When is Mason Construction (Teesside) 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 30 November 2025, due by 30 November 2026, and one for the period to 26 February 2026, due by 26 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mason Construction (Teesside) Limited still trading?
Mason Construction (Teesside) Limited 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 Mason Construction (Teesside) Limited do?
Mason Construction (Teesside) Limited is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Mason Construction (Teesside) Limited?
Mason Construction (Teesside) Limited was incorporated on 12 September 2007, 19 years ago.
What is the penalty if Mason Construction (Teesside) 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 Construction (Teesside) Limited 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.