- Companies
- Installers
- Penarth
- Smart House Archi.Tech Limited
Smart House Archi.Tech Limited
- Company number
- 12094942
- Incorporated
- 10 Jul 20197 years trading
- Registered office
- Cadre Advisory Unit B Off Edge, Station Approach, Penarth, CF64 3EE
- Nature of business
- Other construction installation
Smart House Archi.Tech Limited is a 7-year-old private limited company registered in Penarth, company number 12094942, one of 9 installation companies (insulation, lifts, shutters and similar) in Penarth. 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 down £36K on the year before, to -£37K.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- Current assets of £53K against £90K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£37K | £513 | £53K | £90K | 1 |
| 31 Jul 2024 | -£754 | £121K | £122K | 1 | |
| 31 Jul 2023 | £68 | £117K | £116K | 1 | |
| 31 Jul 2022 | £68 | £100 | £32 | 1 | |
| 31 Jul 2021 | £100 | £100 | 0 | ||
| 31 Jul 2020 | £100 | £100 |
Where Smart House Archi.Tech Limited is registered
The registered office is in Penarth (CF64), in the Vale of Glamorgan local authority area, Wales. Show CF64 3EE on a map.
Other trade companies in CF64
- L Hillman Scaffolding LtdScaffolders
- Layward Projects LtdBuilders
- Vidi Aquam LtdPlumbers and heating engineers
- Ardena Property Developments LtdProperty developers
- Jet2Go Clean LtdCleaning companies
- JP Square LtdProperty developers
- Wells & Co Developments LtdInstallers
- A Grigoriou Plumbing & Heating LtdPlumbers and heating engineers
Also registered at this address
3 other companies use the same registered office as Smart House Archi.Tech Limited.
- Hugo Souto Building and Refurbishments LimitedBuilders
- Llewellyn Roofing & Solar LimitedRoofers
- MJB Carpentry LtdJoiners and carpenters
What happens if Smart House Archi.Tech 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
- 12094942
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 July 2019 (7 years ago)
- Registered office
- Cadre Advisory Unit B Off Edge, Station Approach, Penarth, CF64 3EE
- 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
- 9 July 2026
- Previous names
- Smart House Extensions Limited (until 4 Mar 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 Penarth
Other active installation companies (insulation, lifts, shutters and similar) registered in Penarth.
- Wells & Co Developments Ltd2026
- Dwki Ltd2023
- Elb Contractors Ltd2015
- Green Modular Construction Solutions Ltd2021
- M Murphy Group Limited2018
- Metron Wrought Ironwork Limited2021
- MKH Decorators Ltd.2025
- Sadler Carpentry Limited2026
All installation companies (insulation, lifts, shutters and similar) in Penarth · All trades in Penarth · Installers across the UK
Frequently asked questions
When are Smart House Archi.Tech Limited's accounts due?
Smart House Archi.Tech 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 Smart House Archi.Tech 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 Smart House Archi.Tech Limited still trading?
Smart House Archi.Tech 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 Smart House Archi.Tech Limited do?
Smart House Archi.Tech Limited is registered under Other construction installation (SIC 43290).
How old is Smart House Archi.Tech Limited?
Smart House Archi.Tech Limited was incorporated on 10 July 2019, 7 years ago.
What is the penalty if Smart House Archi.Tech 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 Smart House Archi.Tech 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.