- Companies
- Property developers
- London
- Advanced Improvements Ltd
Advanced Improvements Ltd
- Company number
- 13109293
- Incorporated
- 4 Jan 20215 years trading
- Registered office
- Flat 153 Geffrye Court, Geffrye Estate, London, N1 6RT
- Nature of business
- Development of building projects; Floor and wall covering; Painting; Other building completion and finishing
Advanced Improvements Ltd is a 5-year-old private limited company registered in London, company number 13109293, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £2,725 (+3.5%) on the year before, to £80K.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £15K against £2,000 owed within a year: 7.4 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 Jan 2025 | £80K | £9,171 | £15K | £2,000 | 0 |
| 31 Jan 2024 | £77K | £2,071 | £10K | £1,309 | 0 |
| 31 Jan 2023 | £92K | £8,973 | £44K | £17K | 0 |
| 31 Jan 2022 | £100K | £26K | £2,069 | 0 |
Where Advanced Improvements Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 6RT on a map.
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- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
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- Magic Door Services LimitedMachinery repair and installation
What happens if Advanced Improvements 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 13109293
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 January 2021 (5 years ago)
- Registered office
- Flat 153 Geffrye Court, Geffrye Estate, London, N1 6RT
- Nature of business
- Development of building projects (SIC 41100)
Floor and wall covering (SIC 43330)
Painting (SIC 43341)
Other building completion and finishing (SIC 43390) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 14 March 2026
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 London
Other active property development companies registered in London.
- Advantage Capital Partners Limited2024
- Advantage Properties London Ltd2020
- Adventium Limited2026
- Adys Developments Ltd2026
- Aedifica UK (Bridlington) Ltd2013
- Aegean Developments Limited2002
- Aegis Property Group Ltd2025
- Aegle Consulting Services Limited2017
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Advanced Improvements Ltd's accounts due?
Advanced Improvements Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Advanced Improvements Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Advanced Improvements Ltd still trading?
Advanced Improvements 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 Advanced Improvements Ltd do?
Advanced Improvements Ltd is registered under Development of building projects (SIC 41100); Floor and wall covering (SIC 43330); Painting (SIC 43341); Other building completion and finishing (SIC 43390).
How old is Advanced Improvements Ltd?
Advanced Improvements Ltd was incorporated on 4 January 2021, 5 years ago.
What is the penalty if Advanced Improvements 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 Advanced Improvements 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.