- Companies
- Property developers
- Harrow
- Gainsborough Construction Limited
Gainsborough Construction Limited
- Company number
- 06011814
- Incorporated
- 28 Nov 200619 years trading
- Registered office
- Printing House, 66 Lower Road, Harrow, Middlesex, HA2 0DH
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
Gainsborough Construction Limited is a 19-year-old private limited company registered in Harrow, company number 06011814, one of 679 property development companies in Harrow. Its next accounts are due at Companies House on 29 August 2027, and the CT600 for the period to 29 November 2026 is due at HMRC on 29 November 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 down £18K (-5.8%) on the year before, to £289K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £801K against £512K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £289K | £36K | £801K | £512K | 0 |
| 30 Nov 2024 | £307K | £53K | £821K | £513K | 2 |
| 30 Nov 2023 | £294K | £41K | £808K | £514K | 2 |
| 30 Nov 2022 | £286K | £29K | £796K | £511K | 2 |
| 30 Nov 2021 | £276K | £17K | £785K | £509K | 2 |
| 30 Nov 2020 | £273K | £14K | £784K | £511K | 0 |
| 30 Nov 2019 | £274K | £20K | £791K | £517K | 0 |
| 30 Nov 2018 | £261K | £47K | £818K | £557K | |
| 30 Nov 2017 | £266K | £556K | £1.3M | £1.1M | |
| 30 Nov 2016 | £27K | £283K | £1.5M |
Where Gainsborough Construction Limited is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 0DH on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
Shared registered office
30 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Gainsborough 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 29 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Aug 2027 to 29 Sep 2027 | £150 |
| 1 to 3 months late | 30 Sep 2027 to 29 Nov 2027 | £375 |
| 3 to 6 months late | 30 Nov 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Nov 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 29 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Nov 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
- 06011814
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2006 (19 years ago)
- Registered office
- Printing House, 66 Lower Road, Harrow, Middlesex, HA2 0DH
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 29 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 3 September 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
- Previous names
- Averbay Limited (until 18 Dec 2006)
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 Harrow
Other active property development companies registered in Harrow.
- Gallery Capital Investments Limited2025
- Gatecave Limited1978
- Genesis Business Park Management Limited2008
- Georlan Properties Ltd2024
- GGP London Developments Ltd2024
- GKD 33HDR Ltd2024
- GKD 74HS Ltd2024
- Gladecrown Associates Limited1999
All property development companies in Harrow · All trades in Harrow · Property developers across the UK
Frequently asked questions
When are Gainsborough Construction Limited's accounts due?
Gainsborough Construction Limited's next accounts are due at Companies House by 29 August 2027 (in 320 days), covering the period to 29 November 2026.
When is Gainsborough Construction Limited's CT600 due?
The CT600 for the period to 29 November 2026 is due at HMRC by 29 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 August 2027.
Is Gainsborough Construction Limited still trading?
Gainsborough Construction Limited is listed as active on the Companies House register (checked 13 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 Gainsborough Construction Limited do?
Gainsborough Construction Limited is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Gainsborough Construction Limited?
Gainsborough Construction Limited was incorporated on 28 November 2006, 19 years ago.
What is the penalty if Gainsborough 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 Gainsborough Construction Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.