- Companies
- Property developers
- Whetstone
- Flam Construction Limited
Flam Construction Limited
- Company number
- 09391143
- Incorporated
- 15 Jan 201511 years trading
- Registered office
- The Limes, 1339 High Road, Whetstone, London, N20 9HR
- Nature of business
- Development of building projects
Flam Construction Limited is a 11-year-old private limited company registered in Whetstone, company number 09391143, one of 22 property development companies in Whetstone. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £163K (+39%) on the year before, to £582K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £690K against £110K owed within a year: 6.3 times cover.
- 4 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 Mar 2026 | £582K | £439K | £690K | £110K | 4 |
| 31 Mar 2025 | £419K | £159K | £492K | £81K | 4 |
| 31 Mar 2024 | £266K | £221K | £337K | £70K | 3 |
| 31 Mar 2023 | £184K | £188K | £255K | £76K | 1 |
| 31 Mar 2022 | £479K | £89K | £538K | £31K | 1 |
| 31 Mar 2021 | £486K | £221K | £625K | £145K | 1 |
| 31 Mar 2020 | £390K | £316K | £474K | £93K | 1 |
| 31 Mar 2019 | £257K | £112K | £342K | £94K | 1 |
| 31 Mar 2018 | £207K | £159K | £310K | £104K | 1 |
| 31 Mar 2017 | £20K | £44K | £59K | £40K | 1 |
Where Flam Construction Limited is registered
The registered office is in Whetstone (N20), in the Barnet local authority area, London. Show N20 9HR on a map.
Other trade companies in N20
- Ebi London Renovations LtdBuilders
- Spartan Builders LtdProperty developers
- PT Exterior Cleaning LtdCleaning companies
- Building Version Service LimitedBuilders
- Everon Services LimitedInstallers
- Lumix Safe Electrical LtdMachinery repair and installation
- Apexion Design & Build LtdBuilders
- Orchid Education and Art LtdFinishing trades
Also registered at this address
4 other companies use the same registered office as Flam Construction Limited.
- Auto Dynamics Mobile LtdMechanics and garages
- Betamark UK LtdSpecialist contractors
- Chase Side Motors London LtdMechanics and garages
- Windrew LtdInstallers
What happens if Flam Construction 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 09391143
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 January 2015 (11 years ago)
- Registered office
- The Limes, 1339 High Road, Whetstone, London, N20 9HR
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 5 January 2026
- Previous names
- Flam Steel Ltd (until 7 Jan 2016)
London Reinforcement Ltd (until 21 Jan 2015)
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 Whetstone
Other active property development companies registered in Whetstone.
- G. Turner Building Solutions Ltd2022
- HNL Developments Ltd2026
- Homebrook Developments Limited2020
- Homebrook Developments No 2 Limited2021
- Homebrook Developments No 3 Limited2021
- Imperial Design & Build Limited2018
- J C Veasey Ltd2013
- Jack in the Box Homes Limited2020
All property development companies in Whetstone · All trades in Whetstone · Property developers across the UK
Frequently asked questions
When are Flam Construction Limited's accounts due?
Flam Construction Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Flam Construction Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Flam Construction Limited still trading?
Flam Construction 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 Flam Construction Limited do?
Flam Construction Limited is registered under Development of building projects (SIC 41100).
How old is Flam Construction Limited?
Flam Construction Limited was incorporated on 15 January 2015, 11 years ago.
What is the penalty if Flam Construction 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 Flam Construction 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.