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Great Amwell market report SG12 9, Ware
The standing SG12 9 (Great Amwell) property market report, rebuilt from the full public record every month. Everything below comes from 4,053 sales recorded by HM Land Registry in SG12 9 (Ware) since 1995, real completion prices from real purchases, alongside the ONS's current rent figures. No valuations, no estimates, no asking prices.
Sales recorded to 2026; rents are ONS figures for May 2026. The page rebuilds with each monthly release.
In short: the 2026 median for SG12 9 (Ware) is £352,500, from 37 registered sales, up 18% on five years earlier; the mean is £459,900, and by floor area homes here have averaged about £4,950 per square metre over the last five years. Behind the figures sit 4,053 HM Land Registry entries going back to 1995, refreshed monthly, every one a completed sale rather than a valuation or an asking price.
A postcode sector like SG12 9 is a single group of streets within SG12 (Ware), the finest slice the public record supports. Fewer sales stand behind each figure than at district level, so the lines jump about more.
Where SG12 9 sits
Shaded by median price on the same scale as the average prices map. Click any shape to open it on the live map with every sale plotted at its address, or zoom in past street level to see the sold homes right here.
The going rate for a home in SG12 9
Take the 37 registered 2026 sales in SG12 9 and the middle price, the median, is £352,500. The mean lands at £459,900, well clear of it: the mark of a market where a small number of costly homes drag the average upwards.
Price per square metre in SG12 9
Measured by floor area, the last five years of SG12 9 sales average about £4,950 per square metre. Price per square metre is the fair way to compare a one-bed flat with a four-bed house, and it comes from the Energy Performance Certificate on each sold home.
The national median for England and Wales is £285,000, which puts SG12 9 24% above the country at large.
A typical SG12 9 home, priced year by year (1995 to 2026)
Two lines: the median in the money of its day, and the same years restated by ONS CPIH into today's money, which is the truer test of getting dearer. Hover for exact figures; click a legend entry to isolate a series.
See this chart as a table
| Year | Median (cash) | Median (today's £) | Sales |
|---|---|---|---|
| 2026 | £352,500 | £352,500 | 37 |
| 2025 | £335,000 | £343,011 | 114 |
| 2024 | £305,000 | £324,278 | 98 |
| 2023 | £327,500 | £359,843 | 80 |
| 2022 | £315,000 | £369,373 | 118 |
| 2021 | £300,000 | £379,839 | 145 |
| 2020 | £365,000 | £473,595 | 88 |
| 2019 | £298,800 | £391,655 | 76 |
| 2018 | £321,200 | £428,166 | 132 |
| 2017 | £309,500 | £422,127 | 127 |
| 2016 | £297,000 | £415,506 | 108 |
| 2015 | £295,000 | £416,835 | 147 |
| 2014 | £232,500 | £329,842 | 154 |
| 2013 | £226,400 | £325,767 | 126 |
| 2012 | £205,800 | £302,912 | 100 |
| 2011 | £198,000 | £298,904 | 99 |
| 2010 | £217,800 | £341,566 | 108 |
| 2009 | £235,000 | £377,765 | 89 |
| 2008 | £247,500 | £405,705 | 67 |
| 2007 | £215,000 | £364,700 | 168 |
| 2006 | £195,000 | £338,495 | 252 |
| 2005 | £195,000 | £347,021 | 141 |
| 2004 | £189,500 | £344,169 | 143 |
| 2003 | £175,000 | £322,392 | 154 |
| 2002 | £157,500 | £296,335 | 196 |
| 2001 | £136,500 | £262,414 | 213 |
| 2000 | £121,000 | £237,463 | 143 |
| 1999 | £98,500 | £196,305 | 136 |
| 1998 | £105,000 | £211,950 | 149 |
| 1997 | £80,000 | £164,064 | 145 |
| 1996 | £71,500 | £150,790 | 120 |
| 1995 | £65,800 | £143,039 | 80 |
In cash terms the typical SG12 9 home went from £65,800 in 1995 to £352,500 in 2026, roughly 5 times the price. Inflation explains only part of it: in today's money the rise is still about 146%, a genuine increase in what a home here costs. The real-terms peak came in 2020, and today's median remains roughly 26% under it: a 2020 buyer is still waiting to get that price back in today's money.
Year-on-year change in the SG12 9 median
Each bar is the change on the year before, in cash. The zero line is the boundary between rising and falling.
The strongest year on record here is 1998 (+31.3% on the year before); the weakest, 2021 (−17.8%). Single-year swings like these are why the annualised table below matters more than any one year's headline.
Annualised returns
| Period | Cash, per year | Real terms, per year |
|---|---|---|
| 1 years (since 2025) | +5.2% | +2.8% |
| 5 years (since 2021) | +3.3% | −1.5% |
| 10 years (since 2016) | +1.7% | −1.6% |
| 20 years (since 2006) | +3.0% | +0.2% |
Each row is compound annual growth of the median; ONS CPIH supplies the real-terms deflator. Annualising irons out the cycle, which the chart above shows in full, and past growth records what happened rather than predicting anything.
The turnover behind the prices
How many homes change hands
Each bar is a year's recorded sales. 2008's dip is the financial crisis, and the newest bar always grows for a while as late registrations arrive.
SG12 9 recorded 37 sales in the last twelve months of data. Like most of England and Wales, turnover never fully recovered from 2008: the market here averaged 176 sales a year before the financial crisis and 89 a year over the last five. Watch the volume as closely as the price. Thin years make jumpy medians, where one street's sales can move the figure, and the newest year is always incomplete because registrations trail completions by weeks or months.
What homes rent for around SG12 9
The local authority for SG12 9 is East Hertfordshire, and its ONS average private rent currently stands at £1,503 a month (May 2026 figures). Size sets most of the rent: one-beds average £1,064 a month here against £2,406 for four or more bedrooms.
Average monthly rent by size, East Hertfordshire
ONS Price Index of Private Rents, May 2026.
£1,503 a month is £18,036 a year, which against the £352,500 median sold price makes a gross yield of 5.1%. Gross means before letting costs, voids, maintenance and tax: treat it as a ceiling. The ONS publishes rents by local authority, so neighbouring districts under the same authority share these numbers.
How SG12 9 trades
This is a thin market: 37 sales in the last twelve months of data. With that few transactions, one street selling well (or one block of cheap transfers) can move the median, so read the year lines as a range rather than a verdict. Within SG12, this sector trades 19% below the district median: one of its district's cheaper corners.
Asked and answered: SG12 9 (Great Amwell)
Is SG12 9 (Great Amwell) a good place to buy a house?
How much did a house sell for in SG12 9 (Great Amwell)?
Are property prices falling in SG12 9 (Great Amwell)?
Are SG12 9 prices heading up or down?
Prediction is not this page's business. Its business is the record, which says: the median is up 18% over five years in cash but down 7% after inflation. Read the volume chart with the price chart before acting on either, remembering that registrations trail the deals themselves by weeks.
SG12's current homes for sale
Turning to what is actually available: 83 homes on the market right now, from 7 agents publishing to HomesIndex.
These cover the whole SG12 district, not just SG12 9: live asking prices are collected per district.
Of everything listed here, 18% asks less than the sold record of comparable homes. Each listing is compared with recent recorded sales of similar homes nearby.
The "under comparable sales" label measures each asking price against real nearby sales of similar homes: an opening position for a conversation rather than a valuation. The home itself still needs looking at.
See every SG12 home for sale on the map →
Refreshed every Monday and Thursday from agents' own feeds to HomesIndex, so a sample of the market rather than all of it. An asking price remains an ask, not a sale.
The price of an extra bedroom in SG
What homes of each size actually sold for across the SG area, from the Land Registry record. The jump between sizes is local: in some areas a third bedroom adds a quarter to the price, in others nearly four fifths, so a national rule of thumb will mislead you here.
| Type | 1 bed | 2 bed | 3 bed | 4 bed | 5 bed |
|---|---|---|---|---|---|
| Detached | — | £425,000 | £562,950 (+32%) | £790,000 (+40%) | £1,107,500 (+40%) |
| Semi-detached | £315,000 | £375,000 (+19%) | £450,000 (+20%) | £582,500 (+29%) | £785,000 (+35%) |
| Terraced | £290,000 | £342,000 (+18%) | £375,000 (+10%) | £510,000 (+36%) | £715,000 (+40%) |
| Flat | £205,000 | £270,000 (+32%) | £410,000 (+52%) | — | — |
Medians of recorded sales over the last four years, by built form and bedroom count. Sold homes carry no advertised bedroom count, so sizes are estimated from their EPC records; a small number of homes will sit one size out. Sizes with too few homes to be meaningful are left blank.
The risers and the fallers
The spread across the SG area is the point: the same five years treated these districts very differently.
Winners and losers across the SG area, five years
The biggest risers and fallers in cash terms; every row links to that district's report.
Other sectors in SG12
Sector boundaries hide real price steps. The rest of SG12, one report each:
| Sector | Median (latest) | Sales that year |
|---|---|---|
| SG12 0 | £450,000 | 60 |
| SG12 7 | £430,000 | 54 |
| SG12 8 | £470,000 | 28 |
Zoom out to the full SG12 district report for the type split, monthly volumes and how SG12 compares with its neighbours.
Thinking of selling in SG12 9? Get a rough value first
Start from what homes here actually sold for, not an estimate. Before booking a house valuation or flat valuation in SG12 9, use the average prices map for a rough value: zoom from SG12 9's shading down to the sold homes on your own street. The figures above are every recorded SG12 9 sale; agents price with this same Land Registry record, and now you have it too.
Local estate agents: one agent per district gets the featured spot on this report, free for founding agents. Claim SG12 9.
Take it further
Behind the answers sits the same Land Registry record as this page, with SG12 9 already set as the subject. Free, one click sign in.
See every individual SG12 9 sale on the live map, mapped to the exact address, or zoom the average prices map from neighbourhood shading down to single homes. The report tool writes a custom answer to a specific question, and the mortgage and rent calculator on any sale runs the numbers on a real purchase.
About the numbers: everything is computed from HM Land Registry Price Paid Data (Crown copyright, OGL v3.0), geocoded to the address; today's-money figures use the ONS CPIH index, and rents are the ONS Price Index of Private Rents by local authority. These are medians of recorded sales, not valuations, and none of it is financial advice.