- Companies
- Installers
- Stevenage
- UK Mastic Man Limited
UK Mastic Man Limited
- Company number
- 13509794
- Incorporated
- 14 Jul 20215 years trading
- Registered office
- 50A Trajan Gate, Stevenage, SG2 7QG
- Nature of business
- Other construction installation
UK Mastic Man Limited is a 5-year-old private limited company registered in Stevenage, company number 13509794, one of 63 installation companies (insulation, lifts, shutters and similar) in Stevenage. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £12K (+155.1%) on the year before, to £20K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £16K against £15K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £20K | £2,207 | £16K | £15K | 0 |
| 31 Jul 2024 | £7,907 | £13K | £15K | £7,230 | 1 |
| 31 Jul 2023 | £5,692 | £2,418 | £17K | £12K | 1 |
| 31 Jul 2022 | £3,669 | £3,268 | £8,401 | £4,732 | 1 |
Where UK Mastic Man Limited is registered
The registered office is in Stevenage (SG2), in the Stevenage local authority area, East of England. Show SG2 7QG on a map.
Other trade companies in SG2
- Amkj Construction LtdBuilders
- Terrascape Solution LtdSpecialist contractors
- K Taylor Ac Contractors LimitedPlumbers and heating engineers
- Kcet Services LtdProperty developers
- Saunders Climate Control LtdPlumbers and heating engineers
- Emp Energy LtdElectricians
- TKTK Cock Green Dev LtdProperty developers
- Mario's Building & Landscaping LtdBuilders
What happens if UK Mastic Man 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 13509794
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 July 2021 (5 years ago)
- Registered office
- 50A Trajan Gate, Stevenage, SG2 7QG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 25 July 2026
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 in Stevenage
Other active installation companies (insulation, lifts, shutters and similar) registered in Stevenage.
- Unique Glam (UK) Ltd2023
- Universal Cabling Solutions Ltd2023
- Wallfix Duo Ltd2024
- Wrightade Limited2016
- Wyatt Installations Limited2026
- Access and Mobility Bathrooms Ltd2022
- Ace Garage Doors Herts Limited2019
- Ap Pipefitting Ltd2017
All installation companies (insulation, lifts, shutters and similar) in Stevenage · All trades in Stevenage · Installers across the UK
Frequently asked questions
When are UK Mastic Man Limited's accounts due?
UK Mastic Man Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is UK Mastic Man Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is UK Mastic Man Limited still trading?
UK Mastic Man 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 UK Mastic Man Limited do?
UK Mastic Man Limited is registered under Other construction installation (SIC 43290).
How old is UK Mastic Man Limited?
UK Mastic Man Limited was incorporated on 14 July 2021, 5 years ago.
What is the penalty if UK Mastic Man 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 UK Mastic Man 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.