- Companies
- Property developers
- Dartford
- G. A. Harper Ltd.
G. A. Harper Ltd.
- Company number
- 03865094
- Incorporated
- 25 Oct 199926 years trading
- Registered office
- Gwynfa House, 677 Princes Road, Dartford, Kent, DA2 6EF
- Nature of business
- Development of building projects
G. A. Harper Ltd. is a 26-year-old private limited company registered in Dartford, company number 03865094, one of 170 property development companies in Dartford. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £168K (+5.8%) on the year before, to £3.1M.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £4.8M against £1.9M owed within a year: 2.6 times cover.
- 43 employees on average during the year.
- Balance sheets on record for 9 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £3.1M | £1.6M | £4.8M | £1.9M | 43 |
| 29 Feb 2024 | £2.9M | £1.9M | £4.7M | £1.9M | 43 |
| 28 Feb 2023 | £2.3M | £1.5M | £3.8M | £1.6M | 45 |
| 28 Feb 2022 | £1.5M | £1M | £3.2M | £1.7M | 42 |
| 28 Feb 2021 | £1.4M | £741K | £3.1M | £1.8M | 44 |
| 29 Feb 2020 | £1.5M | £1.4M | £3.6M | £2.2M | 48 |
| 28 Feb 2019 | £1.4M | £301K | £3M | £1.6M | 49 |
| 28 Feb 2018 | £1.4M | £933K | £3.6M | £2.3M | 49 |
| 31 Oct 2016 | £1.4M | £902K | £3.3M | £2M | 49 |
Public contracts won
G. A. Harper Ltd. has 16 public sector contract awards on record; the ones with their own published value total £8.9M, from 2016 to 2026. Source: Contracts Finder and Find a Tender award notices. 9 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Kent County Council6 awards
- Kent County Council4 awards
- Dartford Borough Council3 awards
- Medway Council3 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Kent County Council | Tunbridge Wells Grammar School for Boys - DT block and main hall windows | £520K | 13 Aug 2026 |
| Kent County Council | Burham CEP Sch. - roofing works | £100K | 4 Feb 2026 |
| Dartford Borough Council | Manor Gatehouse - Lord Irving Works | £122K | 2 Dec 2025 |
| Kent County Council | Hildenborough CEPS - Staff Room Roof (Flat Roof) | £62K | 22 Aug 2025 |
| Kent County Council | Madginford Primary School Provision of Care Suite & Access Alterations | £151K | 1 Jul 2025 |
| Kent County Council | Blean Primary School single storey new build classroom block | £789K | 27 Jan 2025 |
| Dartford Borough Council | Manor Gatehouse Refurbishment | £129K | 22 Nov 2024 |
| Kent County Council | N/A | £3M | 21 Jul 2024 |
| Kent County Council | Egerton CEPS - Kitchen Servery | £29K | 10 Jun 2024 |
| Kent County Council | Littlebourne CEPS - Wall Replacement System | £312K | 26 Apr 2024 |
Showing the 10 most recent of 16.
Where G. A. Harper Ltd. is registered
The registered office is in Dartford (DA2), in the Dartford local authority area, South East. Show DA2 6EF on a map.
Other trade companies in DA2
- Alija Construction LtdBuilders
- P&E Premier Holdings LimitedProperty developers
- MCP Motors LtdMechanics and garages
- Lude LtdFinishing trades
- Netti's Cleaning LtdCleaning companies
- Inspired Gardens & Landscapes Kent LtdLandscapers and gardeners
- Elite FM LimitedFacilities management
- Cleansl8 LtdCleaning companies
Also registered at this address
6 other companies use the same registered office as G. A. Harper Ltd..
- Bespoke Floor Sanding LimitedSpecialist contractors
- Bluelime Construction Services LimitedSpecialist contractors
- Bluelime Retail LimitedInstallers
- Canyon Homes LtdProperty developers
- D & R Jointing Services LtdElectricians
- Plaxtol Roofing Company LimitedFinishing trades
What happens if G. A. Harper 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 03865094
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 October 1999 (26 years ago)
- Registered office
- Gwynfa House, 677 Princes Road, Dartford, Kent, DA2 6EF
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 25 October 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Dartford
Other active property development companies registered in Dartford.
- G.C.H. Developments Limited2019
- Gallop Homes Ltd2023
- Goddington Manor (Management) Limited2011
- Godman (Property) Limited2022
- Gold Oak Conversions Ltd2021
- GRM Developments (London) Ltd2004
- Heaths Properties Management Ltd.1995
- Hesperian Origins Limited2026
All property development companies in Dartford · All trades in Dartford · Property developers across the UK
Frequently asked questions
When are G. A. Harper Ltd.'s accounts due?
G. A. Harper Ltd.'s next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is G. A. Harper Ltd.'s CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is G. A. Harper Ltd. still trading?
G. A. Harper 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 G. A. Harper Ltd. do?
G. A. Harper Ltd. is registered under Development of building projects (SIC 41100).
How old is G. A. Harper Ltd.?
G. A. Harper Ltd. was incorporated on 25 October 1999, 26 years ago.
Has G. A. Harper Ltd. won public sector contracts?
Yes. G. A. Harper Ltd. has 16 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £8.9M), most recently from Kent County Council.
What is the penalty if G. A. Harper 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 G. A. Harper 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.