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Property investment stats for Longfield, New Ash Green and Hartley, South East

A complete guide to property investment in Longfield.

Last updated: 18 September 2025

Investment summary

Longfield, New Ash Green and Hartley are established villages in the South East that offer a stable, largely owner-occupied housing market. The area’s housing stock is dominated by family homes, with a population that skews older — reflected by a population aged 60 and over in the 91st percentile. Owner-occupation is very high, sitting in the 93rd percentile, while private renting is rare, in only the 5th percentile. The typical three-bedroom house is marketed at £475,000, while two-bedroom flats are listed for £270,000. Rental demand is steady but not overheated, with average yields of 3.9% and three-bedroom house rents at £2,200.

Liquidity is reasonable, with properties spending about 53 days on the market and a median sale discount of £3,750 (the typical achieved discount). Affordability is moderate, with a price-to-income ratio of 7.7 and rent-to-income at 31.7%.

Image of Longfield, New Ash Green and Hartley, South East

Key investment stats for Longfield

Median price per sq ft

£413 / sq ft

Average rental yield

3.9%

Capital growth (1y)

-6.8%

Sales in past year

206

* Property stats calculated for last full calendar year (2024).

Live property stats in Longfield

Live prices in Longfield, New Ash Green and Hartley, South East

* Extreme prices clipped for legibility

Properties for sale

Median price

£542,500

25% of properties below...

£425,000

75% of properties below...

£668,750

Most expensive property

£1,995,000

Live listings

122

Median days on market

53

Should you invest in Longfield?

Opportunities

  • The area’s top postcode district offers a higher rental yield of 4.1%, which may appeal to yield-focused investors.
  • Properties are selling with a median discount of £3,750 (the typical achieved discount), providing scope for negotiation on purchase price.
  • The strong presence of families and professionals (with the professionals and managers population in the 71st percentile) supports stable long-term demand for family homes.

Risks

  • Capital growth over the past year has changed by -6.8%, which may concern investors seeking short-term gains.
  • The private rental market is limited (5th percentile), so finding tenants may take longer than in more rental-heavy areas.
  • The population is older than average, which could impact future demand if younger households do not move in.

Outlook

Looking ahead, the area’s fundamentals suggest stability rather than rapid growth. Owner-occupation will likely continue to dominate, with private renting remaining a small part of the market. The older demographic may lead to gradual turnover of housing stock, but the steady presence of families and professionals points to ongoing demand for well-maintained homes.

Given the 206 annual sales and average time on market of 53 days, liquidity should remain reasonable. Investors should expect moderate returns, with capital growth annualised over three years at 1.0% and average yields of 3.9%, rather than dramatic price movement. The outlook is best suited to investors seeking stable, long-term income over speculative gains.

Live properties in Longfield

Investment properties in Longfield, New Ash Green and Hartley, South East

2 bedroom maisonette for sale
45% below median price

£240,000

2 bedroom maisonette for sale

Bazes Shaw, New Ash Green

Properties needing refurbishment in Longfield, New Ash Green and Hartley, South East
Needs Refurb
3 bedroom end of terrace house for sale
On market for 178 days

£395,000

3 bedroom end of terrace house for sale

Olivers Mill, New Ash Green

Slow to sell properties in Longfield, New Ash Green and Hartley, South East
Slow to Sell
1 bedroom flat for sale
Reduced by 10%

£175,000

1 bedroom flat for sale

Gallops View, Brick Field Farm, Lon...

Big price drop properties in Longfield, New Ash Green and Hartley, South East
Big Price Drop
4 bedroom bungalow for sale
1,547 sq ft

£600,000 - Guide Price

4 bedroom bungalow for sale

Longfield Avenue, New Barn

Properties with planning granted in Longfield, New Ash Green and Hartley, South East
Planning Granted
3 bedroom detached house for sale
34% below median price

£700,000 - Offers in Excess of

3 bedroom detached house for sale

Church Road, Hartley, Longfield, Ke...

Low price-per-sq-ft properties in Longfield, New Ash Green and Hartley, South East
Low Price per Sq Ft
3 bedroom bungalow for sale
11% below median price

£575,000 - Guide Price

3 bedroom bungalow for sale

The Drive, New Barn, Kent, DA3

Auction properties in Longfield, New Ash Green and Hartley, South East
Auction

Achieved vs asking prices

Key takeaway: Seller's market

Asking and achieved prices are broadly aligned — little negotiation room on average.

Headline stats

• Median discount: £3,750

• 1 in 4 properties sell at > £10,000 below asking

• 1 in 10 properties sell at > £20,000 below asking

In percentage terms:

• Median discount of 0.9%

• 25% of properties discounted by > 2.2%

• 10% of properties discounted by > 3.8%

Best places to invest in Longfield

Top postcodes for rental yield and (annualised) capital growth

Rank
Postcode
Yield
Capital growth
Median £/sq ft
1DA34.1%1.0%£413 / sq ft

Data sources

GeoGlider calculates property investment stats by blending official and proprietary datasets. Here's a quick overview of key sources and how we use them:

  • HM Land Registry: Property transaction and sold-price records for England & Wales used to calculate historical capital growth, price levels and comparables.

  • Office for National Statistics (ONS): Demographic and economic indicators for the UK, including Census 2021, supporting area profiling and market context.

  • Ordnance Survey: Authoritative UK geospatial data powering accurate boundaries, roads and terrain for mapping and spatial analysis.

  • GeoProp: Our proprietary AI pipeline that processes millions of property listings to extract rich features and live market signals.

  • Department for Levelling Up, Housing & Communities: Energy Performance Certificate (EPC) scores and property floor areas.

  • HM Revenue & Customs (HMRC): Household income and employment data to understand local affordability and economic conditions.

Data is updated continuously, matched across sources and rigorously validated.