3 Observer Drive, Watford, WD18 7GR - sold prices & valuation | Percelio + + + 52°22′N 4°53′E [ Percelio ](/) [House valuation](https://percelio.com/uk/house-valuation) [Offer advice](https://percelio.com/uk/offer-advice) [House prices](https://percelio.com/uk/house-prices) [Knowledge](https://percelio.com/uk/knowledge) [ Get a valuation ](https://percelio.com/uk/start/valuation) [House valuation](https://percelio.com/uk/house-valuation) [Offer advice](https://percelio.com/uk/offer-advice) [House prices](https://percelio.com/uk/house-prices) [Knowledge](https://percelio.com/uk/knowledge) [ Get a valuation ](https://percelio.com/uk/start/valuation) + + + + [Home](/uk) / [Watford](/uk/watford) / [Observer Drive](/uk/watford/observer-drive) / [WD18 7GR](/uk/watford/observer-drive/wd18-7gr) / 3 3 Observer Drive, Watford, WD18 7GR =================================== Detached 1,905 sq ft C EPC C 3 recorded sales [ Cassiobury ](https://percelio.com/uk/neighbourhood/cassiobury) 3 Observer Drive, Watford, WD18 7GR is a Detached home of about 1,905 sq ft in Watford, based on open property records. About this property This Detached home measures about 1,905 sq ft (177 sq m), holds an EPC C rating and dates from 2003-2006. Tenure is freehold. It last sold for £710,000 in Jun 2024, about £373 per square foot. The property has 3 recorded sales since 2006. 3 Observer Drive, Watford, WD18 7GR sits on Observer Drive in Watford, part of the Cassiobury area. This page shows open records only. A valuation estimates what this home is worth today from its sale history, floor area and comparable local sales. Property facts Type Detached Floor area 1,905 sq ft 177 sq m Energy rating EPC C Built England and Wales: 2003-2006 Habitable rooms 5 Price per sq ft £373 Tenure Freehold Last sold £710,000 Last sold date Jun 2024 Recorded sales 3 What is this home worth today? ------------------------------ Get a data-backed valuation for this property: an estimated market value with a low-to-high range, the comparable sales behind it, and price per sq ft indexed to today with the UK House Price Index. [ Get a valuation, £29 ](https://percelio.com/uk/start/valuation?postcode=WD18+7GR&paon=3) [ Buying? Offer advice, £50 ](https://percelio.com/uk/start/offer_advice?postcode=WD18+7GR&paon=3) Sold price history Date Sold price Tenure Type 25 Jun 2024 £710,000 Freehold Existing 10 Aug 2011 £396,000 Freehold Existing 20 Jan 2006 £370,000 Freehold New build More on Observer Drive [ Flat 7 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Jul 2020 £230,000 ](/uk/watford/observer-drive/wd18-7gf/flat-7-gloucester-court) [ Flat 2 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Aug 2016 £131,000 ](/uk/watford/observer-drive/wd18-7gf/flat-2-gloucester-court) [ Flat 8 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Jul 2007 £82,500 ](/uk/watford/observer-drive/wd18-7gf/flat-8-gloucester-court) [ Flat 1 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Jul 2025 £220,000 ](/uk/watford/observer-drive/wd18-7gf/flat-1-gloucester-court) [ Flat 3 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Sep 2021 £237,500 ](/uk/watford/observer-drive/wd18-7gf/flat-3-gloucester-court) [ Flat 6 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Mar 2025 £230,000 ](/uk/watford/observer-drive/wd18-7gf/flat-6-gloucester-court) [ Flat 5 Gloucester Court Observer Drive, Watford, WD18 7GF last sold May 2015 £198,000 ](/uk/watford/observer-drive/wd18-7gf/flat-5-gloucester-court) [ Flat 4 Gloucester Court Observer Drive, Watford, WD18 7GF last sold Dec 2020 £245,000 ](/uk/watford/observer-drive/wd18-7gf/flat-4-gloucester-court) [ Flat 3 Knightsbridge Court Observer Drive, Watford, WD18 7GE last sold Aug 2018 £325,000 ](/uk/watford/observer-drive/wd18-7ge/flat-3-knightsbridge-court) [ Flat 16 Knightsbridge Court Observer Drive, Watford, WD18 7GE last sold Jun 2025 £344,000 ](/uk/watford/observer-drive/wd18-7ge/flat-16-knightsbridge-court) [ Flat 2 Knightsbridge Court Observer Drive, Watford, WD18 7GE last sold Jul 2005 £230,000 ](/uk/watford/observer-drive/wd18-7ge/flat-2-knightsbridge-court) [ Flat 17 Knightsbridge Court Observer Drive, Watford, WD18 7GE last sold May 2022 £358,000 ](/uk/watford/observer-drive/wd18-7ge/flat-17-knightsbridge-court) Similar Detached properties nearby [ 24 Cassiobury Park Avenue, Watford, WD18 7LB last sold Sep 2025 £1,085,000 ](/uk/watford/cassiobury-park-avenue/wd18-7lb/24) [ 10 Rosslyn Road, Watford, WD18 0JY last sold Sep 2025 £910,000 ](/uk/watford/rosslyn-road/wd18-0jy/10) [ 24 Rickmansworth Road, Watford, WD18 7HT last sold Jan 2025 £875,000 ](/uk/watford/rickmansworth-road/wd18-7ht/24) [ 2 Euston Avenue, Watford, WD18 7SY last sold Dec 2024 £427,500 ](/uk/watford/euston-avenue/wd18-7sy/2) [ 129 Rickmansworth Road, Watford, WD18 7JD last sold Nov 2024 £670,000 ](/uk/watford/rickmansworth-road/wd18-7jd/129) [ Little Tolpits Cottage Tolpits Lane, Watford, WD18 9QG last sold Oct 2024 £1,250,000 ](/uk/watford/tolpits-lane/wd18-9qg/little-tolpits-cottage) [ 18 Shepherds Road, Watford, WD18 7HX last sold Oct 2024 £850,000 ](/uk/watford/shepherds-road/wd18-7hx/18) [ 82 Gade Avenue, Watford, WD18 7LJ last sold Aug 2024 £710,000 ](/uk/watford/gade-avenue/wd18-7lj/82) ### Schools nearby - Watford Grammar School for Boys Secondary - Chessbrook Education Support Centre Not applicable - Chater Infant School Primary - Westfield Academy Secondary - St Anthony's Catholic Primary School Primary - Ascot Road Primary School Primary ### Air quality - Air quality data is unavailable for this location. ### Reported crime - All crimes reported 407 - Violent Crime 132 - Anti Social Behaviour 93 - Criminal Damage Arson 33 - Other Theft 27 - All categories, within ~1 mile, April 2026 (police.uk). A count, not a risk rating. ### Flood risk - Flood warning area nearby [ Thinking of buying? Get offer advice ](https://percelio.com/uk/start/offer_advice) [Percelio](/)Know what a home is really worth. Instant, data-backed house valuations and offer advice for England, built on open property data. Reports - [House valuation, £40](https://percelio.com/uk/house-valuation) - [Offer advice, £50](https://percelio.com/uk/offer-advice) Built on open data - HM Land Registry Price Paid Data - EPC register floor areas - UK House Price Index © 2026 Percelio. All rights reserved. | A data-driven estimate, not a formal RICS valuation. 51°30′N 0°07′W