Areas / SL9 · postcode district guide

House prices in SL9, Buckinghamshire

The median home in SL9, Buckinghamshire has sold for £838,250 over the last three years — well above the ~£290,000 England & Wales average.

Median price
£838k
last 3 yrs
1-year change
+4%
5-year change
+7.5%
Per m²
£6k
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Sold prices in SL9, Buckinghamshire

Based on 758 sales recorded in the last three years (HM Land Registry).

Median sold price
£0
Average sold price
£0
Median £/m²
£0
Year-on-year
0%

The median home in SL9, Buckinghamshire has sold for £838,250 over the last three years — well above the ~£290,000 England & Wales average. The average of £985,373 sits notably higher than the median, which usually means a tail of larger or higher-value sales pulling the mean up. That's drawn from 758 recorded sales — a reasonably active local market.

SL9 price trend

Quarterly median sold price, against England & Wales. Hover for the value at any quarter.

SL9England & Wales
£200k£400k£600k£800k£1m2008201020122014201620182020202220242026
1 year
+4%
5 years
+7.5%
10 years
+23.4%

Over five years, prices in SL9, Buckinghamshire have been broadly flat (+7.5%). Across a full decade they are +23.4%. The last twelve months alone: +4%.

How SL9 growth compares

Sold prices rebased to 100 at 2008 — so you can compare the pace of change in SL9 directly against England & Wales, regardless of price level.

SL9England & Wales
1001201401601802008201020122014201620182020202220242026

Indexed to 100 in 2008. A line at +20% means prices are 20% above their 2008 level.

What it costs to buy in SL9, Buckinghamshire

From entry-level to premium — where sold prices actually land, not just the headline median.

£838k
Entry-level
£405k
10th %ile
Middle of the market
£600k–£1.21m
25–75th %ile
Premium
£1.7m
90th %ile

Homes in SL9, Buckinghamshire span an unusually wide range: the cheapest tenth of sales went for under £405,000, while the top tenth fetched over £1,696,500. Half of all sales fell between £600,000 and £1,211,125 — the practical "middle of the market" a typical buyer competes in.

How SL9 compares

Average sold price here against its wider area and England (HM Land Registry UK House Price Index).

SL9 (this area)£985k
Buckinghamshire£479k
England£291k
SL9 1-yr +4%Buckinghamshire 1-yr +0.3%England 1-yr +3.9%

At £985,373, homes in SL9, Buckinghamshire sell for 106% above the Buckinghamshire average, and 238% above the England average.

Prices by property type

Median sold price and £/m² by type across SL9.

TypeMedian£/m²Sales
Detached£1,100,000£5,882408
Flat / maisonette£476,250£7,038174
Semi-detached£685,000£5,922103
Terraced£600,000£6,58873

The most-traded type in SL9, Buckinghamshire is detached (408 sales, median £1,100,000), which tends to set the tone of the area. Flats (£476,250) and houses (~£964,307) trade well apart, so the headline figure moves a lot with the mix of what's for sale. Priced by size, homes here work out at roughly £6,030 per square metre — a useful yardstick when a listing's asking price looks high or low for its floor area.

The SL9 market: activity & mix

How busy the market is, and what kind of homes actually change hands.

Sales per year
'16
'17
'18
'19
'20
'21
'22
'23
'24
'25
'26
Tenure & new-build mix
Leasehold 23.5%Freehold 76.5%
New-build 5%Existing 95%

24% of recent sales in SL9, Buckinghamshire were leasehold — mostly freehold, with some leasehold flats. New-build made up 5% of sales, a modest amount of new supply.

Inside SL9: deprivation & demographics

Explore the neighbourhoods that make up this area. Each cell is a Census neighbourhood (LSOA) shaded by its national decile — switch between overall deprivation, income, education, health, crime and more. Tap a cell for its figure.

Most deprivedLeast

Deciles are national (1 = most deprived 10% in England, 10 = least). Source: English Indices of Deprivation (IMD) by 2021 LSOA, boundaries © ONS. This shows the area's statistical neighbourhoods, not a precise postcode boundary.

Buying in SL9? Don't offer on the area average.

Area prices set the scene — but the home you're viewing has its own flood risk, energy costs, crime picture, school catchment and fair value. Check the exact address before you commit.

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What a full report reveals about a SL9 home

Everything below is analysed for the specific address you search — locked here, unlocked in the report.

🎓Schools & Ofsted

Every nearby school, phase, distance and latest Ofsted rating.

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🌊Flood & ground risk

Rivers, surface water, mining, radon and subsidence at the exact plot.

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🚨Crime & safety

24 months of local crime by category, mapped around the address.

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🔊Noise & air quality

Modelled road/rail/aircraft noise and pollutant levels for the home.

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📶Broadband & mobile

Ofcom speeds and coverage available at the postcode.

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Energy & running costs

EPC rating, floor area, and estimated heating & lighting costs.

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💷Value estimate

A price estimate with a confidence range and the comparable sales behind it.

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🚆Transport & commute

Nearest stations, walk times and your real door-to-door commute.

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What's in a Housometer report

Every section, for any specific home in SL9.

Value & sold prices

An evidence-based estimate with a confidence range, every sale since 1995, and the nearest comparables.

Energy & EPC

EPC rating, floor area, heating type and what the home costs to run.

Council tax

The exact band for this property and what it costs you each year.

Flood risk

River, sea and surface-water flood risk, with the nearest watercourse.

Ground & mining

Subsidence and ground stability, radon potential and coal-mining legacy.

Crime & safety

Recent crime in the immediate area, by type and trend, plus road safety.

Noise & air quality

Road, rail and aircraft noise plus NO₂ and particulate air pollution.

Schools

Nearest primaries and secondaries with Ofsted ratings and performance.

Transport & commute

Nearest stations, walk times and travel time to your workplace.

Amenities & green space

Walking distance to shops, GP, gyms, parks and everyday essentials.

Broadband & mobile

Full-fibre and gigabit availability, top speeds and mobile coverage.

Planning & tenure

Applications at the property and next door, designations, tenure and ownership.

Property history

Historic OS maps, the likely build era and a dated timeline of the home’s past.

Demographics & income

Local earnings, deprivation, household make-up and who lives nearby.

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SL9 house prices — FAQs

What is the average house price in SL9, Buckinghamshire?

Over the last three years the median sold price in SL9 was £838,250, with a mean of £985,373, based on 758 HM Land Registry sales.

Is SL9, Buckinghamshire expensive?

At a £838,250 median, SL9 is more expensive than the ~£290,000 England & Wales average, working out at roughly £6,030 per square metre.

Are house prices in SL9, Buckinghamshire going up or down?

On our smoothed index, SL9 prices have moved +4% over the past year. Local trends are noisy, so this is a guide to direction rather than a precise figure.

What's the cheapest type of home to buy in SL9, Buckinghamshire?

Of the common types, flat / maisonette have the lowest median at £476,250 (174 sales).

How much do I need to buy in SL9, Buckinghamshire?

Entry-level homes (the cheapest 10% of sales) went for under £405,000, and most buyers competed in the £600,000–£1,211,125 band. The top 10% of sales exceeded £1,696,500.

How much have SL9, Buckinghamshire house prices changed over 5 years?

Prices in SL9 are +7.5% over the last five years, and +23.4% over ten, on our smoothed index of Land Registry sales.

Are homes in SL9, Buckinghamshire freehold or leasehold?

24% of recent sales in SL9 were leasehold and the rest freehold. Leasehold usually means flats — always check the remaining lease length and any service charge or ground rent before offering.

How do I check a specific SL9 property before buying?

Area figures set the scene, but every home differs. A Housometer report scores an individual SL9, Buckinghamshire address across value, energy, flood & ground risk, crime, schools, transport, noise, air and more — search any address to see it.

Nearby & related areas

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Compare SL9 vs SL6
Sources

Sold-price figures derived from HM Land Registry Price Paid Data (© Crown copyright), under the Open Government Licence v3.0; £/m² combines PPD with MHCLG EPC floor areas. Full Housometer reports also draw on HM Land Registry, Ordnance Survey, Environment Agency, VOA, Ofsted, Police.uk, DEFRA, ONS and more. Area figures summarise the market and are not a valuation of any individual home.