- Companies
- Specialist contractors
- London
- Atheneum Developments Ltd
Atheneum Developments Ltd
- Company number
- 07921017
- Incorporated
- 24 Jan 201214 years trading
- Registered office
- 320 Garratt Lane, London, SW18 4EJ
- Nature of business
- Other specialised construction activities n.e.c.
Atheneum Developments Ltd is a 14-year-old private limited company registered in London, company number 07921017, one of 4,318 specialist construction companies in London. 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.
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 Atheneum Developments LtdOr 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 £33K (-66.9%) on the year before, to £16K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £37K against £24K owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £16K | £37K | £24K | 1 | |
| 31 Jul 2024 | £49K | £56K | £7,305 | 1 | |
| 31 Jul 2023 | £85K | £87K | £6,620 | 1 | |
| 31 Jul 2022 | £96K | £100K | £100K | £12K | 1 |
| 31 Jul 2021 | £350K | £174K | £453K | £113K | 2 |
| 31 Jan 2020 | £387K | £263K | £451K | £65K | 2 |
| 31 Jan 2019 | £397K | £118K | £504K | £110K | 2 |
| 31 Jan 2018 | £322K | £104K | £398K | £81K | 2 |
| 31 Jan 2017 | £268K | £291K | £403K | £143K | 2 |
| 31 Jan 2016 | £78K | £81K | £234K | £166K |
Where Atheneum Developments Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 4EJ on a map.
Other trade companies in SW18
- Altius 24CHT LimitedProperty developers
- Nexlink Technologies LtdElectricians
- Straightedge Builders LtdProperty developers
- Parsons Green Re Design & Build LimitedProperty developers
- Home Appliances Repair LimitedRepair services
- 34 & 34A Lambrook Terrace Freehold LtdProperty developers
- 30 Thorndean LtdProperty developers
- Fircroft Group LimitedProperty developers
Also registered at this address
14 other companies use the same registered office as Atheneum Developments Ltd.
- Astragal Doors and Windows LtdGlaziers
- Conlon Contracts LtdBuilders
- Garden Club London LimitedLandscapers and gardeners
- HWJ Developments LimitedProperty developers
- Iwik Construction LtdSpecialist contractors
- Jane Woods Design and Project Management LimitedFinishing trades
- JJS Mouldings LimitedRoofers
- Krissbo LimitedBuilders
- Polarac LtdPlumbers and heating engineers
- Pure Maintenance LimitedProperty developers
- Qualitas London LimitedBuilders
- Studdert Property LimitedProperty developers
- Trakehner LtdProperty developers
- Warm Design and Build LtdBuilders
What happens if Atheneum Developments Ltd 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
- 07921017
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 January 2012 (14 years ago)
- Registered office
- 320 Garratt Lane, London, SW18 4EJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 24 January 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Atico Constructive Solutions Ltd2023
- Atlantic Construction UK Ltd2017
- Atomic Automation Ltd2014
- Atpc Hire & Sales Ltd2023
- Aub GRP Ltd2026
- Aub Ltd2025
- Aubin Construction Ltd2025
- Audio Schemes Limited2013
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Atheneum Developments Ltd's accounts due?
Atheneum Developments Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Atheneum Developments Ltd'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 Atheneum Developments Ltd still trading?
Atheneum Developments Ltd 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 Atheneum Developments Ltd do?
Atheneum Developments Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Atheneum Developments Ltd?
Atheneum Developments Ltd was incorporated on 24 January 2012, 14 years ago.
What is the penalty if Atheneum Developments Ltd 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 Atheneum Developments Ltd 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.