- Companies
- Property developers
- Longfield
- Altermore Builders Ltd
Altermore Builders Ltd
- Company number
- 12128489
- Incorporated
- 30 Jul 20197 years trading
- Registered office
- 205 Main Road, Longfield, Kent, DA3 7PJ
- Nature of business
- Development of building projects
Altermore Builders Ltd is a 7-year-old private limited company registered in Longfield, company number 12128489, one of 29 property development companies in Longfield. 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 Altermore Builders 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 up £46K (+461.7%) on the year before, to £36K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £98K against £7,804 owed within a year: more than 10 times cover.
- 2 employees 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 | £36K | £98K | £7,804 | 2 | |
| 31 Jul 2024 | -£10K | £7,454 | £13K | 2 | |
| 31 Jul 2023 | £453 | £30K | £23K | 2 | |
| 31 Jul 2022 | £204 | £19K | £6,219 | 2 | |
| 31 Jul 2021 | £168 | £24K | £11K | 2 | |
| 31 Jul 2020 | £4,765 | £7,415 | £8,387 | 2 |
Where Altermore Builders Ltd is registered
The registered office is in Longfield (DA3), in the Dartford local authority area, South East. Show DA3 7PJ on a map.
Other trade companies in DA3
- Heat Exchangers LtdPlumbers and heating engineers
- Ohq Management LimitedFinishing trades
- J Roe Scaffolding LimitedScaffolders
- A T Installations (2026) LimitedPlumbers and heating engineers
- Interlock Plumbing & Heating LimitedPlumbers and heating engineers
- Window Medic Kent LimitedJoiners and carpenters
- BMDZ Group LtdCleaning companies
- Thain Air Conditioning Services LtdPlumbers and heating engineers
What happens if Altermore Builders 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
- 12128489
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 July 2019 (7 years ago)
- Registered office
- 205 Main Road, Longfield, Kent, DA3 7PJ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 29 July 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Longfield
Other active property development companies registered in Longfield.
- Cargan Estates Limited2019
- Dart Properties London Limited2026
- Ellens Place Developments Limited2017
- Esquire Developments Ltd.2011
- F.C. Stark Limited1936
- Fluid Space Management Ltd2008
- H J Shand Limited2017
- Healthcare Assets Limited2014
All property development companies in Longfield · All trades in Longfield · Property developers across the UK
Frequently asked questions
When are Altermore Builders Ltd's accounts due?
Altermore Builders Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Altermore Builders 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 Altermore Builders Ltd still trading?
Altermore Builders Ltd 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 Altermore Builders Ltd do?
Altermore Builders Ltd is registered under Development of building projects (SIC 41100).
How old is Altermore Builders Ltd?
Altermore Builders Ltd was incorporated on 30 July 2019, 7 years ago.
What is the penalty if Altermore Builders 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 Altermore Builders Ltd 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.