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- Alidec Limited
Company profile · Installers
Alidec Limited
Alidec Limited is a 27-year-old private limited company registered in Kidlington, company number 03694361, one of 7 installation companies (insulation, lifts, shutters and similar) in Kidlington. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Alidec Limited over the years
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 £9,463 (-9.3%) on the year before, to £92K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £121K against £55K owed within a year: 2.2 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £92K | £45K | £121K | £55K | 3 |
| 31 Jan 2025 | £101K | £56K | £136K | £62K | 3 |
| 31 Jan 2024 | £91K | £42K | £129K | £68K | 3 |
| 31 Jan 2023 | £111K | £47K | £127K | £50K | 3 |
| 31 Jan 2022 | £112K | £74K | £174K | £72K | 3 |
| 31 Jan 2021 | £154K | £62K | £224K | £84K | 3 |
| 31 Jan 2020 | £118K | £51K | £171K | £70K | 3 |
| 31 Jan 2019 | £173K | £43K | £223K | £71K | 3 |
| 31 Jan 2018 | £153K | £73K | £237K | £96K | 3 |
| 31 Jan 2017 | £192K | £71K | £295K | £117K | 2 |
Where Alidec Limited is registered
The registered office is in Kidlington (OX5), in the Cherwell local authority area, South East. Show OX5 1JE on a map.
Other trade companies in OX5
- Lally Fenestration LtdJoiners and carpenters
- Langford & Co Construction LtdProperty developers
- The Oxford Kitchen Fitter LtdJoiners and carpenters
- Michelin Cleaning Services LtdCleaning companies
- CPH Electrical Oxford LtdElectricians
- Oxford Brick & Stone LtdBuilders
- CPH Property Services Oxford LtdBuilders
- Cam Muldur Contracting LtdBuilders
Also registered at this address
15 other companies use the same registered office as Alidec Limited.
- Alta Homes (Finstock) LtdProperty developers
- Brooks Multi Trade LtdElectricians
- DDL Building Services LtdBuilders
- Elevatus Homes LtdProperty developers
- Elm Tree Motor Company LimitedMotor traders
- Empire Homes LimitedProperty developers
- Fortis Property Consultants LimitedBuilders
- Gorman Civil Engineering & Groundworks LimitedGroundworks and demolition
- Hallidays Developments LimitedProperty developers
- Hexiqon Homes (Construction) LtdBuilders
- Limbeck Holdings LtdProperty developers
- Made of Good LtdProperty developers
- Mark Lovelace LimitedProperty developers
- Oriel Homes (Bisham) LimitedProperty developers
- Oriel Homes (Marston) LimitedProperty developers
What happens if Alidec 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 03694361
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 1999 (27 years ago)
- Registered office
- 30 Bankside Court Stationfields, Kidlington, Oxfordshire, OX5 1JE
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 7 January 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 Kidlington
Other active installation companies (insulation, lifts, shutters and similar) registered in Kidlington.
- CDP Carpentry and Construction Ltd2023
- CR Fabrication Ltd2022
- DFG Design Ltd2021
- Prestige Renovations & Maintenance Ltd2024
- SDH Builders Ltd2012
- Abingdon Bathrooms and Kitchens Limited1999
All installation companies (insulation, lifts, shutters and similar) in Kidlington · All trades in Kidlington · Installers across the UK
Frequently asked questions
When are Alidec Limited's accounts due?
Alidec Limited's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is Alidec Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Alidec Limited still trading?
Alidec 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 Alidec Limited do?
Alidec Limited is registered under Other construction installation (SIC 43290).
How old is Alidec Limited?
Alidec Limited was incorporated on 12 January 1999, 27 years ago.
What is the penalty if Alidec 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 Alidec 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.