Land by postcode · SM area · SM1
What the open records say about the SM1 postcode district in Greater London: recent sales, planning designations and controls, and the council that decides applications. District-level facts to read before you sell or develop a plot in Sutton.
Residential sales recorded by HM Land Registry between 2024-08 and 2026-07. This is market context for the district, not a land valuation: what a plot is worth depends on what can be built on it, which these figures do not show.
Sales in 24 months
918
Median sale price
£442,250
Median £ per m² of floor area
£5,807
Median, last 12m vs prior 12m
+0.3%
£442,250 → £443,500
Mix of sales: 5% detached, 28% semi-detached, 30% terraced, 37% flats.
New-build sales 2023–2024: 5 of 1,019 (0%). A rough proxy for recent building activity: these are homes sold by builders, not development sites.
For each designation on the planning.data.gov.uk register, the share of the 843 live postcodes in SM1 whose centroid falls inside it. This measures postcodes, not land area, and says nothing about any individual plot.
41 of 843 postcodes
COA00000239 · COA00000307 · COA00000306 · COA00000204
No postcodes in SM1 fall inside: Green Belt, National Landscape (AONB), National Park, Article 4 Direction area.
Flood zones, tree preservation orders, local plan allocations, settlement boundaries and non-designated heritage are not included here and are checked in a full assessment.
None of these designations covers more than a small share of postcodes in SM1. What can be built on a given plot is decided by the local plan, settlement boundaries and site-specific matters such as access, flood risk and neighbours, none of which this page measures.
These are district-level facts. The free assessment checks your actual boundary against the same registers and the local plan and tells you plainly what they mean for your plot.
Decided planning applications in SM1 since 2021, from the council registers, grouped by the kind of scheme a landowner might be weighing up. Extensions, conditions and tree works are left out. Counts, not estimates.
Taken from the units table on the planning form itself, so this is homes actually created, not a reading of the description. 57 decided since 2021, 25 refused, typically 142 days to a decision.
26 of 57
approved, 46%
47% across London
56 homes approved of 118 applied for
Approved examples
164 High Street Sutton SM1 1LX (2 new homes)
Change of use of first and second floors from Use Class E (c)(i) to C3 to form two new dwellings.
Approved 2022-11-25, Sutton ref DM2021/00844
81 Grove Road Sutton SM1 2DB (7 new homes)
Demolition of existing dwelling and erection of a detached two storey building with accommodation at roof level comprising 7 self contained ...
Approved 2021-10-05, Sutton ref DM2021/00727
3 Edinburgh Road Sutton SM1 3LX (1 new home)
Changes to the roof and the erection of an attached two storey dwelling with refuse storage, cycle store and parking to the front.
Approved 2022-06-09, Sutton ref DM2021/02277
By the kind of plot, from the wording of each proposal:
3 decided since 2021, 2 refused, typically 106 days to a decision
1 of 3
approved
36% across London
Approved examples
23 William Road Sutton SM1 4QT
Erection of a two-storey dwelling in land to the rear of 23 William Road with altered pedestrian access from Palmerston Road, cycle and refu...
Approved 2023-07-05, Sutton ref DM2022/02127
27 decided since 2021, 15 refused, typically 205 days to a decision
11 of 27
approved, 41%
43% across London
Approved examples
38 - 40 Benhill Avenue Sutton SM1 4DA
Demolition of existing buildings and erection of a detached four storey building comprising 9 self contained residential units and provision...
Approved 2021-11-29, Sutton ref DM2021/00438
Allotment Garden Land Rear Greenhill And Woodend Sutton SM1 3LJ
Erection of 9 two-storey dwellings, together with parking, new vehicular access from Woodend, associated landscaping, provision of open spac...
Approved 2023-03-09, Sutton ref DM2021/01642
3 Edinburgh Road Sutton SM1 3LX
Changes to the roof and the erection of an attached two storey dwelling with refuse storage, cycle store and parking to the front.
Approved 2022-06-09, Sutton ref DM2021/02277
5 decided since 2021, 1 refused, typically 142 days to a decision
4 of 5
approved, 80%
49% across London
Approved examples
44 Westfield Road Cheam SM1 2LB
Demolition of bungalow and erection of a pair of semi detached houses with roof accommodation provision of cycle and bin storage, parking sp...
Approved 2021-07-22, Sutton ref DM2021/00475
6 Denbigh Close Cheam SM1 2HS
Demolition of existing bungalow and construction of a two storey detached building comprising of 4 self contained units with car parking.
Approved 2021-07-28, Sutton ref DM2021/00396
81 Grove Road Sutton SM1 2DB
Demolition of existing dwelling and erection of a detached two storey building with accommodation at roof level comprising 7 self contained ...
Approved 2021-10-05, Sutton ref DM2021/00727
3 decided since 2021, typically 106 days to a decision
3 of 3
approved
45% across London
Approved examples
109 Westmead Road Sutton SM1 4JD
Conversion of existing B1 Office use to C3 Residential.
Approved 2021-06-29, Sutton ref DM2021/00940
Windsor House Throwley Way Sutton SM1 4AF
Change of use of first floor offices into 4 self-contained residential flats with associated external alterations (ground and first floor on...
Approved 2022-11-03, Sutton ref DM2021/02455
Hazel House 78 Westmead Road Sutton SM1 4JF
Conversion of fourth floor residential unit (Flat 10) to provide 1 additional self contained residential unit.
Approved 2025-03-14, Sutton ref DM2024/01657
Also decided here: 34 applications for outbuildings, annexes or garden buildings, 31 approved, typically 67 days.
Decided planning applications (not extensions, conditions or tree works) in this postcode district from the councils' own registers, classified by the wording of each proposal. Counts, not estimates; where a class has fewer than three applications it is not shown.
Sutton covers 100% of the sampled postcodes in SM1.
Draw your boundary, tell us what you own, and an architect checks it against these registers and the local plan. Free, no obligation, and you get a straight written answer.
It depends on where the plot sits, not on the district average. In SM1, 0% of postcodes are in the Green Belt, 5% in a conservation area. Outside those designations the questions that decide it are whether the plot is inside or adjoining the settlement boundary in the local plan, whether it has its own road access, and what is next to it. A plot on the edge of a village or town with access has the best chance; an open field outside the settlement boundary rarely gets consent for housing whatever the market is doing.
No Article 4 direction is recorded for SM1, so houses keep their normal permitted development rights for outbuildings and extensions within the size limits. Those rights do not extend to agricultural land, paddocks or a change of use to residential, which normally need permission or prior approval.
Developers look at three things before they talk about price: whether the plot is outside the Green Belt and any National Landscape, whether it sits inside or beside the settlement boundary, and what finished homes sell for. In SM1 the median sale is £442,250, and only 0% of 2023–2024 sales were new-build homes, so builders have been quiet here. A single plot usually goes to a local builder or a self-builder; a site for five or more homes attracts regional housebuilders, normally through an option or a conditional contract rather than an outright purchase, so the price you see quoted is not the price you receive.
There is no district figure for land, because a plot's value comes from what can be built on it, not from where it is. As a guide, a serviced plot with consent for one house commonly sells for around a third of the finished house value, which in SM1 would be measured against a £442,250 median sale. The same plot without consent, or inside the Green Belt, is worth a small fraction of that, and a paddock with no realistic route to consent is worth agricultural or amenity value only. The free check tells you which of those your plot is before you talk to anyone about a price.
Three places: Sutton's local plan and its policies map for the settlement boundary and allocations, the council's planning register for what has been approved or refused on neighbouring land, and planning.data.gov.uk for the national designations. That is an evening's work if you know what you are looking for. The alternative is to draw your boundary on this site: an architect checks it against the same records and writes back within 48 hours with a plain answer, free and without obligation.
Computed from open-data records; district-level, not plot-level measurements. Sales: HM Land Registry Price Paid Data (2024-08-01 to 2026-07-31), © Crown copyright, Open Government Licence. Designations: planning.data.gov.uk (OGL), retrieved 2026-09-05; conservation areas and Article 4 directions are made locally and published on that national register. Postcode centroids: OS Code-Point Open 2026.3.0, contains OS data © Crown copyright and database right 2026. Place name is the most common post town in the sales records. Figures computed 2026-09-06.